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MIDAS/Civil user reference (Chinese version)
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| 1
Part 1 midas Civil
1 ........................................................................................................... 3
2 ........................................................................................................... 4
3 ........................................................................................................... 5
3.1 ............................................................................................................................ 5
3.1.1 .................................................................................................................. 5
3.1.2 ....................................................................................... 5
3.1.3 .......................................................................................................... 6
3.1.4 ...................................................................................................... 6
3.2 ........................................................................................................................ 8
3.2.1 .................................................................................................................. 8
3.2.2 ....................................................................................... 8
3.2.3 .......................................................................................................... 8
3.2.4 ...................................................................................................... 8
3.3 ................................................................................................................................ 8
3.3.1 .................................................................................................................. 8
3.3.2 .......................................................................................................... 9
3.3.3 .................................................................................................................. 9
3.4 ...................................................................................................................... 12
3.4.1 ................................................................................................................ 12
3.4.2 ..................................................................................... 12
3.4.3 ................................................................................................................ 12
3.4.4 .................................................................................................... 13
3.5 .............................................................................................................................. 13
3.5.1 ................................................................................................................ 13
3.5.2 ..................................................................................... 13
3.5.3 ................................................................................................................ 13
3.5.4 ........................................................................................................ 14
3.6 .................................................................................................................. 15
3.6.1 ................................................................................................................ 15
3.6.2 ..................................................................................... 16
3.6.3 ................................................................................................................ 17
3.6.4 ............................................................................................................ 17
2 |
3.6.5 ........................................................................................................ 19
3.6.6 .................................................................................................... 20
3.7 .................................................................................................................. 23
3.7.1 ................................................................................................................ 23
3.7.2 ..................................................................................... 23
3.7.3 ................................................................................................................ 25
3.7.4 ............................................................................................................ 25
3.7.5 ........................................................................................................ 27
3.7.6 .................................................................................................... 28
3.8 ...................................................................................................................... 30
3.8.1 ................................................................................................................ 30
3.8.2 ..................................................................................... 31
3.8.3 ................................................................................................................ 32
3.8.4 .................................................................................................... 32
3.9 .............................................................................................................................. 34
3.9.1 ................................................................................................................ 34
3.9.2 ..................................................................................... 35
3.9.3 ........................................................................................................ 35
3.9.4 ............................................................................................................ 36
3.9.5 ........................................................................................................ 37
3.9.6 .................................................................................................... 38
3.10 ........................................................................................................................ 42
3.10.1 .............................................................................................................. 42
3.10.2 ............................................................... 42
3.10.3 ...................................................................................................... 43
3.10.4 .......................................................................................................... 44
3.10.5 ...................................................................................................... 46
3.10.6 .................................................................................................. 48
4 ......................................................................................... 52
4.1 .................................................................................. 54
4.2 .............................................................................................................................. 56
4.3 .................................................................................................................. 58
4.4 .................................................................................................................. 59
4.5 ...................................................................................................................... 59
4.6 .............................................................................................................................. 59
4.7 .......................................................................................................................... 60
4.8 .................................................................................................................. 61
5 ..................................................................................................... 62
5.1 .......................................................................................................................... 63
| 3
5.2 .................................................................................................................. 63
5.3 ...................................................................................................................... 64
5.4 ...................................................................................................................... 70
5.5 ...................................................................................................................... 71
5.6 .......................................................................................................................... 72
5.7 ...................................................................................................... 73
6 ................................................................................................................ 74
6.1 .......................................................................................................................... 74
6.2 .................................................................................................................. 74
6.3 .................................................................................................................. 76
6.4 ...................................................................................... 78
6.5 .................................................................................................................. 80
6.6 .................................................................................................................. 81
6.7 .................................................................................................................. 86
6.8 .................................................................................................................. 87
6.8.1 ............................................................................................. 87
6.8.2 ............................................................................................. 94
6.9 .......................................................................................................... 95
6.10 .......................................................................................................... 101
Part 2 midas Civil
1 ....................................................................................................... 105
2 .............................................................................................................. 106
2.1 ................................................................................................................................ 106
2.2 ........................................................................................ 106
3 ....................................................................................................... 108
3.1 .................................................................................................................... 108
3.2 .................................................................................................................... 112
3.3 ................................................................................................................ 115
3.4 ........................................................................................................................ 116
3.5 ........................................................................................................................ 117
3.5.1 .............................................................................................................. 117
3.5.2 ................................................................................... 117
3.5.3 ......................................................................................... 119
4 ...................................................................................................................... 120
4.1 ................................................................................................................................ 120
4 |
4.2 ........................................................................................................................ 121
4.3 ........................................................................................................................ 123
4.3.1 ........................................... 124
4.3.2 ................................................................... 125
4.4 ........................................................................................ 125
4.4.1 ...................................................................................................................... 125
4.4.2 ................................................... 127
4.5 ........................................................................................................................ 128
4.6 ................................................................................................................ 129
4.7 ............................................................................ 129
4.8 ........................................................................................ 129
5 .......................................................................................................... 131
6 ................................................................................................... 135
6.1 .................................................................................................................... 135
6.2 .................................................................................................................... 137
6.3 ................................................................................................................ 139
7 .............................................................................................................. 141
8 .......................................................................................................... 144
8.1 ................................................................................................................................ 144
8.2 ............................................................................................................ 145
8.2.1 - ..................................................................................................... 146
8.2.2 .................................................................................................................. 147
8.3 P-DELTA ................................................................................................................... 149
8.4 .................................................................................................................... 151
8.4.1 ...................................................................................................................... 151
8.4.2 .............................................................................................. 151
8.5 .................................................................................................... 152
8.5.1 .............................................................................................................. 152
8.5.2 ................................................................................... 153
8.5.3 ........................................................... 154
8.5.4 ........................................................... 157
8.5.5 .............................................................................................................. 158
8.5.6 ....................................................................................... 159
8.5.7 ...................................................................................................... 159
8.5.8 ...................................................................................................................... 164
8.5.9 .......................................................................................................................... 164
8.5.10 ............................................................................................................ 165
8.5.11 .................................................................................................... 167
| 5
8.5.12 ................................................................................................ 168
8.5.13 - ....................................................................................................... 170
8.5.14 - ....................................................................................................... 171
8.5.15 ........................................................................................................ 172
8.6 ............................................................................................................ 172
8.6.1 .............................................................................................................. 172
8.6.2 .............................................................................................................. 175
8.6.3 .............................................................................................................. 175
8.6.4 .............................................................................................. 179
8.6.5 .............................................................................................................. 181
8.6.6 ........................................................... 183
8.7 ............................................................................................................ 186
8.7.1 ...................................................................................................................... 186
8.7.2 .............................................................................................................. 187
8.7.3 ........................................................................................... 188
8.7.4 .......................................................................................................... 192
8.7.5 .......................................................................................................... 196
8.7.6 .............................................................................................................. 196
8.7.7 ............................................................... 197
8.7.8 ...................................................................................................... 210
8.7.9 Pushover .......................................................... 214
8.7.10 ............................................................................................ 218
8.7.11 ............................................................................. 220
8.7.12 Pushover ............................................................................................ 221
9 ................................................................................................... 222
9.1 ................................................................................................................................ 222
9.1.1 ............................................................................... 222
9.1.2 .................................................................................................................. 224
9.1.3 ...................................................................................................... 225
9.1.4 ....................................................................................... 226
9.1.5 - ..................................................................................................... 226
9.2 .................................................................................................................... 227
9.2.1 ...................................................................................................... 227
9.2.2 ........................................................................................... 231
9.2.3 .................................................................................................. 232
9.3 .................................................................................................... 232
9.3.1 ...................................................................................................... 232
9.3.2 .............................................................................................. 234
9.4 ................................................................................................................ 235
6 |
9.4.1 ....................................................................................... 236
9.4.2 ........................................................................................... 237
9.4.3 ........................................................................................... 238
9.4.4 ....................................................................................... 239
9.4.5 .............................................................................................. 240
9.4.6 ....................................................................................... 241
9.4.7 ....................................................................................... 242
9.4.8 ....................................................................................... 245
9.4.9 ............................................................................... 246
9.4.10 ............................................................................. 248
9.4.11 ..................................................................................... 249
9.4.12 ..................................................................................... 249
9.4.13 ..................................................................................... 250
9.4.14 ..................................................................................... 252
9.4.15 ..................................................................................... 253
9.4.16 - ............................................................................... 254
9.4.17 - ................................................................................... 255
9.5 .................................................................................................................... 256
9.5.1 ...................................................................................................... 257
9.5.2 P-M P-M-M ..................................................................................... 258
9.5.3 .......................................................................................................... 259
9.6 ........................................................................................................................ 261
9.6.1 .............................................................................................. 265
9.6.2 ........................................................................................... 267
10 ..................................................................................................... 274
10.1 .............................................................................................................................. 274
10.2 .............................................................................................................. 274
10.2.1 ........................................................................................................ 275
10.2.2 ................................................................................................ 278
10.2.3 ........................................................................................................ 280
10.2.4 ..................................................................................... 280
10.3 .............................................................................................. 281
10.4 .................................................................................................. 283
10.4.1 .................................................................................................... 283
10.4.2 .................................................................................................... 284
10.5 .................................................................................................. 284
10.5.1 () ...................................... 285
10.5.2 ............................................................................................ 285
10.5.3 ................................................................................................ 287
| 7
10.5.4 ......................................................... 287
10.5.5 () .................................................. 288
11 ........................................................................................................ 290
11.1 .................................................................................................................. 290
11.1.1 .................................................................................................................... 290
11.1.2 .................................................................................................................... 291
11.1.3 .................................................................................................................... 291
11.1.4 .................................................................................................................... 292
11.1.5 ............................................................................................................ 292
11.1.6 ............................................................................................................ 292
11.1.7 ............................................................................................................ 292
11.2 .................................................................................................................. 293
11.2.1 ......................................................................................... 293
11.2.2 ......................................... 295
11.2.3 ............................................................................. 296
11.2.4 ................................................................................................ 296
11.2.5 ................................................................................................ 296
11.3 .......................................................................................................... 296
12 PSC ...................................................................................................... 299
12.1 ...................................................................................................... 299
12.2 .............................................................................................................. 300
12.2.1 l1 .................................... 300
12.2.2 l2 ................................ 301
12.2.3 l4 ............................................................ 302
12.2.4 l5 ................................................ 303
12.2.5 l6 .................................................... 306
12.3 .................................................................................................................. 306
13 ..................................................................................................... 308
13.1 .............................................................................................................. 309
13.1.1 .................................................................................................................... 309
13.1.2 ................................................................................................................ 310
13.2 .............................................................................................. 311
13.3 .......................................................................................................... 317
13.4 .......................................................................................................... 318
13.5 .......................................................................................... 318
13.6 ...................................................................................................................... 318
14 ..................................................................................................... 319
8 |
15 ......................................................................................... 320
16 ...................................................................... 321
Part3 midas Civil
1 RC ......................................................................................... 327
1.1 RC ................................................................................................. 327
1.1.1 - ............................................................................. 327
1.1.2 - ............................................................................. 329
1.1.3 -.................................................................. 331
1.1.4 - ................................................................................. 332
1.1.5 - ......................................................................................... 335
1.1.6 - ......................................................................................... 336
1.1.7 - ............................................................................. 337
1.1.8 - ............................................................................. 341
1.1.9 - ......................................................................................... 345
1.1.10 - ............................................................................... 350
1.1.11 - ....................................................................................... 354
1.1.12 -/ .......................................... 355
1.1.13 -/ .......................................... 358
1.2 RC ......................................................................................................... 360
1.3 RC ................................................................................................. 364
2 PSC ........................................................... 370
2.1 PSC ................................................................................................ 370
2.1.1 ................................................................................... 370
2.1.2 ................................................................................... 372
2.1.3 ................................................................................... 374
2.1.4 ................................................................................... 376
2.1.5 ............................................................................... 377
2.1.6 ........................................................................... 378
2.1.7 ....................................................................................... 379
2.1.8 ...................................................................................................... 381
2.1.9 .............................................................................................. 382
2.1.10 ................................................................................. 383
2.1.11 ................................................................................ 385
2.1.12 ............................................................................................ 388
2.1.13 ............................................................................................ 390
2.2 PSC ........................................................................................................ 393
| 9
2.3 PSC ................................................................................................. 396
3 ............................................................................................... 400
3.1 ........................................................................................ 400
3.1.1 ...................................................................................................... 400
3.1.2 ...................................................................................................... 402
3.1.3 ...................................................................................................... 403
3.1.4 .............................................................................................. 404
3.1.5 .............................................................................................. 406
3.1.6 .............................................................................................. 408
3.1.7 .............................................................................................. 410
3.1.8 ................................................................................... 411
3.1.9 ....................................................................... 412
3.1.10 ......................................................... 414
3.1.11 ............................................................. 416
3.1.12 ................................................................. 418
3.1.13 ..................................................................... 419
3.1.14 ............................................................................................ 420
3.2 ................................................................................................ 421
3.3 ........................................................................................ 427
4 RC ........................................................................ 434
4.1 RC ................................................................................................. 434
4.1.1 - ......................................................................................... 434
4.1.2 - ..................................................................................... 436
4.1.3 - ............................................................................................. 437
4.1.4 - ................................................................................................. 438
4.1.5 - ......................................................................................... 440
4.1.6 - ......................................................................................... 441
4.1.7 - ......................................................................................... 442
4.1.8 - ..................................................................................... 444
4.1.9 - ............................................................................................. 445
4.1.10 - ........................................................................................... 446
4.1.11 - ............................................................................................... 447
4.1.12 - ................................................................................................... 449
4.2 RC ......................................................................................................... 450
4.3 RC ................................................................................................. 453
5 PSC ...................................................................... 458
5.1 PSC ........................................................................................ 458
5.1.1 - ................................................................................................. 458
10 |
5.1.2 - ............................................................................................. 460
5.1.3 - ............................................................................................. 462
5.1.4 - ..................................................................... 464
5.1.5 - ..................................................................... 466
5.1.6 -.................................................................. 468
5.1.7 -.............................................................. 469
5.1.8 - .......................................................... 471
5.1.9 -.................................................................. 473
5.1.10 - ....................................................................... 474
5.1.11 - .................................................... 476
5.1.12 - .................................................... 476
5.1.13 - ............................................................................................... 479
5.1.14 - ................................................................................... 480
5.1.15 - ................................................................................... 483
5.1.16 - ................................................................... 485
5.1.17 - ............................................................... 487
5.1.18 - ........................................................... 488
5.1.19 - ............................................................... 489
5.1.20 - .................................................... 490
5.1.21 - .................................................... 491
5.2 PSC ........................................................................................................ 492
5.3 PSC ................................................................................................ 495
6 ............................................................................................... 501
6.1 ........................................................................................ 501
6.1.1 ....................................................................................... 501
6.1.2 ........................................................................................... 503
6.1.3 ........................................................................................... 504
6.1.4 .................................................................................................. 505
6.1.5 .................................................................................................. 506
6.1.6 ........................................................................... 507
6.2 ................................................................................................ 508
6.3 ........................................................................................ 512
Part1 midas Civil
| 1
Part 1 midas Civil
2 |
1
| 3
1
Finite Element
4 |
2
midas Civil
1 (Global Coordinate System)
2 (Element Coordinate System)
3 (Node local Coordinate System)
XYZ
(Conventional Cartesian Coordinate System) XYZ
midas Civil
X=0Y=0Z=0
Z
Z
xyz
xyz
xyz
xyz
1.2.1
(Xi, Yi, Zi)
3
| 5
3
midas Civil
1
2
3
4
5/
6
7
8
9
10
3.1
3.1.1
2
(Space Truss)(Diagonal Brace)
3.1.2
x
x yz
6 |
midas Civil yz
x N1 N2
1.3.1 x Z X
z x
x Z
Z x-z
XN1X YN1Y ZN1Z
GCS -
a x Z
GCS-
b x Z
1.3.1
3.1.3
3.1.4
3
| 7
1.3.2 +
y
Axial Force
z
x
Axial Force
1.3.2
1.3.3
Civil
8 |
3.2
3.2.1
2
=0
>0
a (b)
1.3.4
3.2.2
3.2.3
3.2.4
3.3
3.3.1
2
3
| 9
1.3.5
3.3.2
(sag)
1
1/ 1/comb
sag elastic
KK K
1.3.1
2 2
31
12
comb
EAK
L EAL
T
1.3.2
elastic
EAK
L
3
2 3
12sag
TK
L 1.3.3
E
A
L
w
T
3.3.3
midas Civil
1.3.6 i 123, j 45
6 F01F02F
03F
04F
05F
06 F1F2F3F4F5F6
4 1F F 1.3.4
10 |
5 2F F 1.3.5
6 3 0 0F F w l w0=w 1.3.6
0 1 4 1 2 3( , , )x xl l D D f F F F 1.3.7
0 2 5 1 2 3( , , )y yl l g F F F 1.3.8
0 3 6 1 2 3( , , )z zl l D D h F F F 1.3.9
1.3.6
([F])
([K])
x 1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
= d + d + d
y
z
f f fdl F F F
F F F
g g gdl dF dF dF
F F F
h h hdl dF dF dF
F F F
1.3.10
3
| 11
1
2
3
x
y
z
dl dF
dl F dF
dl dF
1 2 3
11 12 13
21 22 23
1 2 3
31 32 33
1 2 3
f f f
F F Ff f f
g g gF f f f
F F Ff f f
h h h
F F F
1.3.11
1
2
3
x
y
z
dF dl
dF K dl
dF dl
(K=F-1) 1.3.12
2
0 111 3 0 3 2 2
1 0 3 0 3
1 1 1ln ln
L Fff F wL B F A
F EA w w B F wL B A F A
1.3.13
1 2
12 2 2
2 3 0 3
1 1F Fff
F w B F wL B A F A
1.3.14
3 0 31
13 2 2
3 3 0 3
F wL B F AFff
F w B F wL B A F A
1.3.15
21 12
1
gf f
F
1.3.16
2
0 222 3 0 3 2 2
2 0 3 0 3
1 1 1ln ln
L Fgf F wL B F A
F EA w w B F wL B A F A
1.3.17
223 13
3 1
Fgf f
F F
1.3.18
131
1
1 1Fhf
F w B A
1.3.19
232 31
2 1
Fhf f
F F
1.3.20
12 |
0 3 0 333
3 0
1L F wL Fhf
F EA w B A
1.3.21
1/21/2 22 2 2 2 2
1 2 3 1 2 3 0,A F F F B F F F wL ) 1.3.22
TdF K d 1.3.23
1 1 1 1 1 1
1 2 3 4 5 6
2 2 2 2 2 2
1 2 3 4 5 6
3 3 3 3 3 3
1 2 3 4 5 6
1 1 1 1 1 1
1 2 3 4 5 6
1 2 2 2 2 2
1 2 3 4 5 6
1
T
F F F F F F
F F F F F F
F F F F F F
F F F F F F
F F F F F F
F
K
3 3 3 3 3
1 2 3 4 5 6
ii ij
ii ij
F F F F F
F F
F F 1.3.24
3.4
3.4.1
2
(Cap Distance)
3.4.2
3.4.3
3
| 13
3.4.4
=0
>0
a b)
1.3.7
3.5
3.5.1
2
midas Civil
x (Linear Variation) x 1
2 3
3.5.2
6
3.5.3
14 |
3.5.4
1.3.8 +
x
y
z
Axial Force
Axial Force
Sheary
Sheary
Shearz
Shearz
Momentz
Momentz
Momenty
Momenty
Torque
Torque
1/4
2/4
3/4
* +
1.3.8
3
| 15
1.3.9
3.6
3.6.1
3 4
Isoparametric Plan Stress
Formulation with Incompatible Modes)
(Poisson Effects)
16 |
3.6.2
xy
xyz
1.3.10
N1N2N3N4
z N1 N4
N2 N3 x
x y
N1N2 x
yz
z
(N1N2N3N4)
x (N1 N2)
yx
a
(N1N2N3)
z
yx
x(N1 N2)
b
1.3.10
3
| 17
3.6.3
1
N4 N3
N1 N2
24
3
P2P2
P2
P2
1.3.11
3.6.4
1. 3
1/31/3
x
y
N1
N2
N3
P
1 1,
3 3P
1.3.12 3
1 1N 2N 3N
18 |
1
,N N
p i i p i i
i i
x N x y N y
1.3.25
1/3 1/3
3
1 2 3 1 2 3
1
1 1 1 1 11
3 3 3 3 3p i i
i
x N x x x x x x x
1.3.26
1 2 31
3py y y y 1.3.27
2. 4
4 Pi
x
y
1
3
1
3
1
3
1
3
N1
N2
N3
N4
P4P3
P1P2
1
2
3
4
1 1,
3 3
1 1,
3 3
1 1,
3 3
1 1,
3 3
P
P
P
P
1.3.13 4
1 2 3 41 1 1 1
1 1 , 1 1 , 1 1 , 1 14 4 4 4
N N N N
1.3.28
Pi
P1 x
4
1 1 2 3 4
1
12 3 2 3
6p i i
i
x N x x x x x
1.3.29
3
| 19
1
2
3
4
2 3 1 2 3 1
2 3 1 2 31
6 2 3 1
2 3
p
x
xx
x
xsymmetry
1.3.30
1
2
3
4
2 3 1 2 3 1
2 3 1 2 31
6 2 3 1
2 3
p
y
yy
y
ysymmetry
1.3.31
3.6.5
3
1s 1s
1t
1t
1
1
1
1 1
1
1
1
1.3.14 4
4
3 , 3s t 1.3.32
20 |
1, 2, 3, 4N i iN i 1.3.33
1
4
1 1 2
1
3 4
1 2 3 4
11 3 1 3 1 3 1 3
4
1 3 1 3 1 3 1 3
14 2 3 2 4 2 3 2
4
N i i
i
N
1.3.34
1 1
2 2
3 3
4 4
2 3 1 2 3 1
2 3 1 2 31
2 2 3 1
2 3
N
N
N
N
1.3.35
3.6.6
(Gauss Point)
(Extrapolation)
1.3.15 +
1.3.16 +
3
| 21
Fx1
Fy1
Fy2
Fy3
a
b
1.3.15
* +
y
y
x x
2
2
1
1
xy
xy
xy
xy
a b
x x
y y
xy x-y
22 |
1.3.16
1.3.17
:
:
:
:
:
:
:
:
x
y
xy
2
x y x y 2
1 xy
2
x y x y 2
2 xy
2
x y 2
max xy
eff von-Mises St
x
y
x-y
+ = + +
2 2
+ = +
2 2
= +
2
x
( )2 21 1 2 2ress = +
3
| 23
3.7
3.7.1
(Dam)(Tunnel)
(Isoparametric Plane Strain Formulation with Incompatible Models)
midas Civil x-z 1.0()
1.3.18
(Poisson Effects)
1.0
1.3.18
3.7.2
XZ
xyz
1.3.19
N1N2N3N4
z N1 N4
N2 N3 x
x y
24 |
N1N2
x yz
* +
yx
(N1N2N3N4)
x
z
a
yx
(N1N2N3)
z
xN1N2
b
1.3.19
3
| 25
3.7.3
1.3.20
1
N4 N3
N1 N2
24
3
P2P2
P2
P2
1.3.20
3.7.4
13
1/31/3
x
z
N1
N2
N3
P
1 1,
3 3P
1.3.21 3
26 |
1 1N 2N 3N
1
,N N
p i i p i i
i i
x N x z N z
1.3.36
1/3 1/3
3
1 2 3 1 2 3
1
1 1 1 1 11
3 3 3 3 3p i i
i
x N x x x x x x x
1.3.37
1 2 31
3pz z z z 1.3.38
24
4 Pi
x
z
1
3
1
3
1
3
1
3
N1
N2
N3
N4
P4P3
P1P2
1
2
3
4
1 1,
3 3
1 1,
3 3
1 1,
3 3
1 1,
3 3
P
P
P
P
1.3.22 4
1 21 1
1 1 , 1 14 4
N N
3 41 1
1 1 , 1 14 4
N N 1.3.39
Pi
P1 x
3
| 27
4
1 1 2 3 4
1
12 3 2 3
6p i i
i
x N x x x x x
1.3.40
1
2
3
4
2 3 1 2 3 1
2 3 1 2 31
6 2 3 1
2 3
p
x
xx
x
xsymmetry
1.3.41
3.7.5
3
1s 1s
1t
1t
1
1
1
1 1
1
1
1
1.3.23 4
4
3 , 3s t 1.3.42
4
1
N i i
i
N
1.3.43
1
28 |
4
1 1 2
1
3 4
1 2 3 4
11 3 1 3 1 3 1 3
4
1 3 1 3 1 3 1 3
14 2 3 2 4 2 3 2
4
N i i
i
N
1.3.44
1 1
2 2
3 3
4 4
2 3 1 2 3 1
2 3 1 2 31
2 2 3 1
2 3
N
N
N
N
1.3.45
3.7.6
1.3.24 Segment
(Gauss Point)
(Extrapolation)
1.3.19 +
1.3.24 +
xx
xy
zz
zz
xx
xy
yy
yx
yx
yy
x
y
z
1
x
y
z
23
2
3
1
1
23
a b
3
| 29
:
:
:
:
:1 2 3
xx
yy
zz
xy yx
1, 2, 3
3 2
1 2 3
1 xx yy zz
xx xy yxx xz
2
xy yy xz zz
x
y
z
x-y
- I - I - I = 0
I =
I =
,
2 2 2
, 0
: , ,
1: ( ) ( ) ( )
2
:
y yz
yz zz
xx xy xz
3 xy yy yz xz zy
xz yz zz
1
2 3 3 11 2
max
eff 1 2 2 3 3 1
oct
= max
von-Mises Stress
Oct
I
: x-y x
2 2 2
2 2 2
1( )
3
1: ( ) ( ) ( )
9
1 2 3
oct 1 2 2 3 3 1
ahedral Normal Stress
Octahedral Shear Stress
+ +
1.3.24
30 |
1.3.25
3.8
3.8.1
(
)(Isoparametric
Formulation)
3 2
midas Civil Z
X-Z Z X
X (X0)
1 1.3.25
(XY, YZ) (XY, YZ)
Z
1.0
1.3.26
3
| 31
3.8.2
XZ
xyz
1.3.26
N1N2N3N4
z N1 N4
N2 N3 x
x y
N1N2 x
y z
* +
yx
(N1N2N3N4)
x
z
FX1FX2
FX4
FX3
FZ1FZ2
FZ3
FZ4
a
yx
(N1N2N3)
z
xN1N2
FZ1
FZ2
FZ3
FX1
FX2
FX3
b
1.3.27
32 |
3.8.3
1.3.28
1
N4 N3
N1 N2
24
3
P2P2
P2
P2
1.3.28
3.8.4
1.3.29 Segment
(Gauss Point)
(Extrapolation)
1.3.27 +
1.3.29 + * +
3
| 33
xx
xy
zz
zz
xx
xy
yy
yx
yx
yy
x
y
z
1
x
y
z
23
2
3
1
1
23
a b
:
:
:
:
:1 2 3
xx
yy
zz
xy yx
1, 2, 3
3 2
1 2 3
1 xx yy zz
xx xy yxx xz
2
xy yy xz zz
x
y
z
x-y
- I - I - I = 0
I =
I =
,
2 2 2
, 0
: , ,
1: ( ) ( ) ( )
2
:
y yz
yz zz
xx xy xz
3 xy yy yz yz zx
xz yz zz
1
2 3 3 11 2
max
eff 1 2 2 3 3 1
oct
= max
von-Mises Stress
Oct
I
: x-y x
2 2 2
2 2 2
1( )
3
1: ( ) ( ) ( )
9
1 2 3
oct 1 2 2 3 3 1
ahedral Normal Stress
Octahedral Shear Stress
+ +
1.3.29
34 |
1.3.30
3.9
3.9.1
3 4 Plate Element)
midas Civil DKT/DKQ(Discrete Kichhoff Element)
DKMT/DKMQ(Discrete Kirchhoff-Mindlin Element)
Kirchhoff Plate Theory Mindlin-Reissner Plate Theory
LST(Linear Strain Triangle)
(Isoparametric Plane Stress
Formulation with Incompatible Modes)
(Isoparametric Plane Stress Formulation
with Incompatible Modes)
Allman
(In-plane Stiffness)
(Out-of-Plane-Stiffness)
3
| 35
3.9.2
xyz
xy
xyz
1.3.31
3.9.3
z
(N1N2N3N4)
x (N1 N2)
yx
a
(N1N2N3)
z
yx
x(N1 N2)
b
1.3.31
36 |
3.9.4
13
1/31/3
x
z
N1
N2
N3
P
1 1,
3 3P
1.3.32 3
1 1N 2N 3N
1
,N N
p i i p i i
i i
x N x y N y
1.3.46
1/3 1/3
3
1 2 3 1 2 3
1
1 1 1 1 11
3 3 3 3 3p i i
i
x N x x x x x x x
1.3.47
1 2 31
3py y y y 1.3.48
24
4 Pi
x
z
1
3
1
3
1
3
1
3
N1
N2
N3
N4
P4P3
P1P2
1
2
3
4
1 1,
3 3
1 1,
3 3
1 1,
3 3
1 1,
3 3
P
P
P
P
1.3.33 4
3
| 37
1 2 3 41 1 1 1
1 1 , 1 1 , 1 1 , 1 14 4 4 4
N N N N 1.3.49
Pi
P1 x
4
1 1 2 3 4
1
12 3 2 3
6p i i
i
x N x x x x x
1.3.50
1
2
3
4
2 3 1 2 3 1
2 3 1 2 31
6 2 3 1
2 3
p
x
xx
x
xsymmetry
1.3.51
1
2
3
4
2 3 1 2 3 1
2 3 1 2 31
6 2 3 1
2 3
p
y
yy
y
ysymmetry
1.3.52
3.9.5
3
1s 1s
1t
1t
1
1
1
1 1
1
1
1
1.3.34 4
4
38 |
3 , 3s t 1.3.53
1, 2, 3, 4N i iN i 1.3.54
1
4
1 1 2
1
3 4
1 2 3 4
11 3 1 3 1 3 1 3
4
1 3 1 3 1 3 1 3
14 2 3 2 4 2 3 2
4
N i i
i
N
1.3.55
1 1
2 2
3 3
4 4
2 3 1 2 3 1
2 3 1 2 31
2 2 3 1
2 3
N
N
N
N
1.3.56
3.9.6
(Gauss Point)
(Extrapolation)
1.3.35 +
3
| 39
1.3.36
+
(Top Surface)
(Bottom Surface) 1.3.37 +
* +
Fz4
Fz1
Fz2
Fz3
Fx4
Fx1
Fx2
Fx3
Fy4
Fy1
Fy2
Fy3
N1
N2
N3
N4
x
y
z
My4Mx4
Mx3
Mx2
Mx1My3
Mx2
My1
(a)
Fz1
Fx1
Fy1
N1
Mx1
My1
Fz2
Fx2Fy2
N2My2
Mx2
Fz3Fy3
N3
My3Mx3
x
yz
Fx3
(b)
1.3.35
* +
N1
N2
N3
N4
x
y
z
N1
N2
N3
x
y
z
a
40 |
b
c
1.3.36
* +
/
a
y
y
x x
2
2
1
1
xy
xy
xy
xy
b
3
| 41
:
:
:
:
:
:
:
:
x
y
xy
2
x y x y 2
1 xy
2
x y x y 2
2 xy
2
x y 2
max xy
effvon-Mises St
x
y
x-y
+ = + +
2 2
+ = +
2 2
= +
2
x
( )2 2
1 1 2 2ress = +
1.3.37
1.3.38
42 |
3.10
3.10.1
4 6 8 (Solid
Element)(Solid Structure)(Thick
Shell)
(Isoparametric Formulation with Incompatible
Modes)
3.10.2
1
5
4
3
6
a8 Hexahedron
1N1N2N3
2(N4N5N6)
54
3
1
4
3
b6 Wedge b4 Tetrahedron
1.3.39
3
| 43
XYZ
xyz
1
1.3.39 4 6
8
3.10.3
1.3.40
* +
6
2
5
4
3
1
1.3.40
44 |
3.10.4
14
1/41/41/4
xy
N1
N4
P
N3
N2
z1 1 1
, ,4 4 4
P
1
2
3
4
1N
N
N
N
1.3.41 4
P
4
1 2 3 4 1 2 3 4
1
1 1 1 1 1 1 11
4 4 4 4 4 4 4p i i
i
x N x x x x x x x x x
1.3.57
4
1 2 3 4
1
1
4p i i
i
y N y y y y y
1.3.58
26
6 Pi
x y
N4
N5
N6
P1
N1
N2
1
3
1
3
P2P3
P4
P5P6
z
1
2
3
4
5
1 1 1, ,
6 6 3
2 1 1, ,
3 6 3
1 2 1, ,
6 3 3
1 1 1, ,
6 6 3
2 1 1, ,
3 6 3
P
P
P
P
P
1.3.42 6
1
3
| 45
1 (1 )2
N
2 ( 1 )2
N
3 ( 1 )2
N
1.3.59
4 (1 )2
N
5 ( 1 )2
N
6 ( 1 )2
N
P1
6
1 1 2 3
1
4 5 6
112 4 3 3 3 3 3
36
12 4 3 3 3 3 3
p i i
i
x N x x x x
x x x
1.3.60
1
2
3
4
5
6
12 4 3 3 3 3 3 12 4 3 3 3 3 3
12 4 3 3 3 3 3 12 4 3 3 3
12 4 3 3 3 3 3 12 4 31
36 12 4 3 3 3 3 3
12 4 3 3 3
12 4 3
p
x
x
xx
x
x
xsymmetry
1.3.61
38
8 Pi
x
y
N8
N5
N6
N2
N3
1
3
1
3
P1
P6
z
N1
N7
1
3
1
3
1
3
1
3
N4
P2
P3P4
P5
P7P8
1
2
3
4
5
6
7
8
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
1 1 1, ,
3 3 3
P
P
P
P
P
P
P
P
1.3.43 8
46 |
1 2
3 4
5 6
7 8
1 11 1 1 1 1 1
8 8
1 11 1 1 1 1 1
8 8
1 11 1 1 1 1 1
8 8
1 11 1 1 1 1 1
8 8
N N
N N
N N
N N
1.3.62
P1
8
1 1 2 3 4
1
5 6 7 8
19 5 3 3 3 3 3 3 3
36
3 3 3 3 9 5 3 3 3
p i i
i
x N x x x x x
x x x x
1.3.63
1
2
3
4
5
6
7
8
9 5 3 3 3 3 3 3 3 3 3 3 3 9 5 3 3 3
9 5 3 3 3 3 3 3 3 3 3 3 3 9 5 3
9 5 3 3 3 9 5 3 3 3 3 3 3 3
9 5 3 3 3 9 5 3 3 3 3 31
36 9 5 3 3 3 3 3 3 3
9 5 3 3 3 3 3
9 5 3 3 3
9 5 3
p
x
x
x
xx
x
x
x
xsymmetry
1.3.64
3.10.5
4
3
| 47
P1
P2
P3
t
s
1
3
u
1.3.44 6
6
1 1 12 1 , 2 , 2 , 3
6 6 6s t u
1.3.65
6
1
N i i
i
N
1.3.66
1
6
1 1 2 3
1
4 5 6
15 1 3 1 3 1 3
6
5 1 3 1 3 1 3
N i ii
N
1.3.67
1 1
2 2
3 3
4 4
5 5
6 6
5 5 3 1 3 1 3 5 5 3 1 3 1 3
5 5 3 1 3 1 3 5 5 3 1 3
5 5 3 1 3 1 3 5 5 31
6 5 5 3 1 3 1 3
5 5 3 1 3
5 5 3
N
N
N
N
N
N
1.3.68
8
48 |
1s 1s
1t
1t
1
1
1
1 1
1
1
1
1.3.45 8
3 , 3 , 3s t u 1.3.69
1
8
1 1 2
1
3 4
5 6
7 8
1 2 3 4
5 6 7 8
11 3 1 3 1 3 1 3 1 3 1 3
8
1 3 1 3 1 3 1 3 1 3 1 3
1 3 1 3 1 3 1 3 1 3 1 3
1 3 1 3 1 3 1 3 1 3 1 3
110 6 3 2 2 3 2 2 3 2 2 3
8
2 2 3 2 2 3 10 6 3 2 2 3
N i i
i
N
1.3.70
1
2
3
4
5
6
7
8
5 3 3 1 3 1 3 1 3 1 3 1 3 5 3 3 1 3
5 3 3 1 3 1 3 1 3 1 3 1 3 5 3 3
5 3 3 1 3 5 3 3 1 3 1 3 1 3
5 3 3 1 3 5 3 3 1 3 1 31
4 5 3 3 1 3 1 3 1 3
5 3 3 1 3 1 3
5 3 3 1 3
5 3 3
N
N
N
N
N
N
N
N
1
2
3
4
5
6
7
8
1.3.71
3.10.6
3
| 49
(Gauss Point)
(Extrapolation )
1.3.46 +
1.3.47 +
* +
1.3.46
50 |
:
:
:
:
:
:
:
xx
yy
zz
xz zx
xy yx
yz zy
1, 2, 3
3 2
1 2 3
1 xx yy
x
x-z
x-y
-z
1 2 3
- I - I - I = 0
I =
,
y
z
y
zz
xx xy yy yzxx xz
2
xy yy yz zzxz zz
xx xy xz
3 xy yy yz
xz yz zz
I =
I
2 2 2
2 2 2
: , ,
1: ( ) ( ) ( )
2
1: ( )
3
1: ( ) ( ) ( )
9
2 3 3 11 2
max
eff 1 2 2 3 3 1
oct 1 2 3
oct 1 2 2 3 3 1
= max
von-Mises Stress
Octahedral Normal Stress
Octahedral Shear Stress
2 2 2
+ +
1.3.47
3
| 51
1.3.48
52 |
4
(Local Mode)
(Preliminary Design Phase)
)
(Contour)
4
| 53
(Logarithmic Configuration)
1/2
4 8
11 14
110
90
60
45 135
30 150
1/100
54 |
4.1
(Sagging)(Wind
Bracing)
(Contact Element)
(Pretension Loads)
(Singular Error)midas Civil
1.4.1
1.4.1a
1.4.1b 1.4.1c
a X-Z b Y-Z c Y-Z
X X X
1.4.1
4
| 55
a b
1.4.2
1.4.2(a)
0 1.4.2(b)
0
a
b
1.4.3
1.4.3a
1.4.3b
56 |
midas Civil
1/100~1/1000 1/1000
P-Delta Pushover
4.2
(Tapered Member)
6
Timoshenko Beam Theory
1/5
(Torsional Resistance)(Polar Moment of Inertia)
(Panel Zone)
(Pin Connection)(Slot Hole)
(Beam End Release)
(Singular Error)
4
| 57
a(Pin Connection) b(Slot Hole)
c(Pin Connection)
d
1.4.4 (Beam End Release)
(Rigid Beam)
105~108
1.4.4
()
58 |
(Pin Connection)
(Singular Error)
(Beam End Release)
4.3
1.4.5
1.4.5
midas Civil
Aspect Ratio
1
90
4
| 59
4.4
(Dam)(Tunnel)
(Poisson Effect)
1
4.5
1
4.6
midas Civil
DKTDKQ(Discrete Kichhoff Element) DKMTDKMQ(Discrete Kirchhoff-
Mindlin Element) Euler-Bernoulli Beam
Timoshenko Beam
60 |
LST(Linear Strain Triangle)
(Isoparametric Plane Stress
Formulation with Incompatible Modes)
(In-plane Stiffness)
(Out-of-Plane-Stiffness)
1.4.6
4
10 23
2%
10
4.7
XYZ
4
| 61
midas Civil
Aspect Ratio
1
90
4.8
1
2
x
xy
xyz
3
, ,xy yx yz zyxz zx
x y x z y zE E E E E E
1.4.1
1 xy
2 xy
62 |
5
>>>>
1.5.1
midas Civil
1
2
3
midas Civil
5
| 63
5.1
1 2 3
(300 15) (573 10) (320 12)
14070
Area dA A A A
1.5.1
5.2
y z
MIDAT/Civil
1.5.2
Asy y
Asz z
64 |
1.5.2
1. L
5
6
5
6
sy f
sz w
A B t
A H t
2.
5(2 )
6sy f
sz w
A B t
A H t
3. I
5(2 )
6sy f
sz w
A B t
A H t
4. T
5( )
6sy f
sz w
A B t
A H t
5.
2
2
sy f
sz w
A B t
A H t
6.
sy w
sz w
A r t
A r t
7.
2
2
0.9
0.9
sy
sz
A r
A r
8.
5
6
5
6
sy
sz
A BH
A BH
5.3
(1.5.1)
xx
TGI
1.5.1
5
| 65
G
Ixx
T
(Polar Moment of Inertia)
(Open Section)(Close Section)
(1.5.2)
xx xxI i
43
4
163.36 1
3 12xx
b bi ab
a a
ab 1.5.2
ixx
2a
2b
(Tube)(1.5.3)( 1.5.2)
24
/xx
s
AI
d t
1.5.3
A
ds
t
66 |
: 24
/xx
s s
AI
d t
: 2
Ts
T
At
st
1.5.2
(Tube)
(1.5.1)(1.5.3)
1.5.3 (Solid Section)
1.
21
2xxI r
2.
42.25xxI a
3.
43
4
163.36
3 12xx
b bI ab I
a a
(where, a b )
5
| 67
1.5.4
1.
22( )xx
f w
b hI
b h
t t
2.
4 41
2 2 2
o ixx
D DI
1.5.5
1. L
4
1 2
43
1 4
43
2 4
10.21 1
3 12
10.105 1
3 192
0.07 0.076
2 3 2 2 2
xxI I I D
b bI ab
a a
d dI cd
c c
d r
b b
D d b r r b r d
(where, b < 2(d + r))
2. T
IF bd : t=d, t1=b
4
1 2
43
1 4
43
2 4
1
22
10.21 1
3 12
10.105 1
3 192
0.15 0.10
4
2
xxI I I D
b bI ab
a a
d dI cd
c c
t r
t b
db r rd
Dr b
(where, d < 2(b + r))
3.
(Angle)(Angle)
4. I-
IF bd : t=d, t1=b
4
1 2
43
1 4
3
2
1
22
2 2
10.21 1
3 12
1
3
0.15 0.10
4
2
xxI I I D
b bI ab
a a
I cd
t r
t b
db r rd
Dr b
(where, d < 2(b + r))
Angle 1
Angle 2 Angle2
Tee1
Tee2
68 |
1.5.6
1. L
3 31
3xx w fI h t b t
2.
3 31
23
xx w fI h t b t
3. I
3 31
23
xx w fI h t b t
4. T
3 31
3xx w fI h t b t
5.
3 33 1 1 2 213
xx w f fI h t b t b t
2 1
H (Double H-Section) 1.5.3(a)
()
5
| 69
2
1 1
1 1
2( )C
f w
b hI
b h
t t
1.5.4
()
311
2 23
O w wI b b t t
1.5.5
xx C OI I I 1.5.6
H 2 (Flat Bar) 1.5.3(b)
H (Flat Bar)
()(1.5.7)
2
1 1
1 1
2( )xx
f w
b hI
b h
t t
1.5.7
a
70 |
b2
1.5.3
5.4
y
2
yyI z dA 1.5.8
z
2
zzI y dA 1.5.9
1.5.4
b h Ai iz Qyi iy Qzi
10 4 40 2 80 5 200
2 10 20 9 180 5 100
8 3 24 15.5 372 5 120
- - 84 - 632 - 420
5
| 71
Ai
iz z
yi y
Qyi y
QZi z
( Z , Y )
6327.5238
84
yzdA Q
ZArea Area
4205.0000
84
zydA Q
ZArea Area
(Iyy, Izz )
Ai iZ z Iy1 Iy2 Iyy iY y Iz1 Iz2 Izz
40 5.5328 1224.5 53.3 1277.8 0 0 333.3 333.3
20 1.4672 43.1 166.7 209.8 0 0 6.7 6.7
24 7.9762 1526.9 18.0 1544.9 0 0 128.0 128.0
2794.5 238.0 3032.5 0 468.0 468.0
2
1 ( )y i iI A Z z 3
212
y
bhI 1 2yy y yI I I
2
1 ( )z i iI A Y y , 3
212
z
hbI ,
1 2zz z zI I I
5.5
yQ zdA 1.5.10
zQ ydA 1.5.11
y z
72 |
y z
y
zz z
V Q
I b
1.5.12
z y
z
yy y
V Q
I b
1.5.13
:
Vy y
Vz z
Iyy y
Izz z
by z
bz y
5.6
y z y yz
y zb
zz z zz z zz
V Q V VQQ
I b I b I
z
zb
z
b 1.5.14
z y yz z
z yb
yy y yy y yy
V Q QV VQ
I b I b I
y
yb
y
b 1.5.15
z y zz yb
yy y yy
V Q VQ
I b I 1.5.16
1.5.5
tw
5
| 73
( )y fQ zdA B t z 1.5.17
y wb t 1.5.18
{( ) }/yb f wQ B t z t 1.5.19
5.7
midas Civil -(SRC)
(Equivalent Sectional Properties)
1 1
0.80.8
c con
eq st con st
s
E AArea A A A
E REN 1.5.20
1 1
0.80.8
c con
eq st con st
s
E AsAs As As As
E REN 1.5.21
1 1
0.80.8
c con
eq st con st
s
E II I I I
E REN 1.5.22
Astl
Acon
Asstl
Ascon
Istl
Icon
REN (Es/Ec)
0.8
1.0
74 |
6
6.1
midas Civil
Constraint
(Spring support)
(Elastic Link)
Element end release
(Beam End Offset)
Rigid link
6.2
(Constraint)
(Singular Error)
1.6.1
1.6.1
6
| 75
X-Z
>> Y
X Z
N1 XZ ()
Y
N3 Z
N5 X
z
1.6.2
a
b H
1.6.2
1.6.2(a)
X
76 |
1.6.2b H
Y
6.3
(Singular Error)
(Modulus of Subgrade Reaction)(Tributary Area)
midas Civil (Surface
Spring Supports)>>
a
6
| 77
K=
b
1.6.3
1.6.1
EA/H E
A H
EI/H
I H
(Coupled)
1.6.1
(KN/m3)
12000 ~ 24000
24000 ~ 48000
48000~ 112000
4800 ~ 16000
9600 ~ 80000
24000 ~ 48000
48000 ~ 96000
32000 ~ 80000
64000 ~ 130000
80000~ 190000
80000~ 190000
78 |
(Singular Error)
0.00010.001
midas Civil
6.4
(Winkler) midas Civil >
>
1
2
Winkler
1q2q
x
y
vk v
L
1 2
1.6.4
[ ] [ ] [ ] [ ]T vU dV v k v dV 1.6.1
U
6
| 79
V v kv ()
[ ] [ ] [ ][ ] [ ] [ ]T T Tvq f k f q dV q P 1.6.2
[ ] [ ] [ ] [ ]Tvk f f dV q P 1.6.3
[ ] [ ] [ ]rK q P 1.6.4
[ ] [ ] [ ]Tr vK k f f dV 1.6.5
P f q
Kr
L Winkler
2 2
2 2
156 22 54 13
22 4 13 3[ ]
54 13 156 22420
13 3 22 4
vr
L L
L L L Lk LK
L L
L L L L
1.6.6
x q
3 2 3 3 2 2 3
1 1
3 3 2 3 2 2
2 2
2 3 21( )
2 3 ( )
x Lx L q Lx L x L xv y x
L x Lx q Lx L x
1.6.7
Winkler
Winkler
80 |
0
2 34 3 3 4 3 2
1 1
3 24 3 4 3
2 2
( ) ( )
1 2
2 4 3 2
1
2 4 3
x
v
v
V x k y x dx
L L Lx Lx L x q x x x
k
L L Lx Lx q x x
1.6.8
0 0 0
2 35 4 3 2 5 4 3
1 1
3 25 4 5 4
2 2
35 4 2 5
1
3
( ) ( )( ) ( ) ( )
1 2
2 4 3 2
1
2 4 3
2 3 2
5 4 2 5
x x x
v v v
v
v
M x k y x x x dx k x y x dx k y x x dx
L L Lx Lx L x q x x x
k
L L Lx Lx q x x
L L L Lx x x q x
k
L
2 34 3
1
25 4 5 4
2 2
4 3
2 3
5 4 5 4
Lx x
L L Lx x q x x
1.6.9
6.5
(Radian)
1.6.5
x
6
| 81
1.6.5
6.6
joint i
x
z
y
local coordinate axis
L
joint j
kx
yk
zk
xk
ky
kz
yiL yjL
ziL zjL
1.6.6
/
1.6.6
1.0
yi yi zi zi
yj yj zj zj
yi yj zi zj
L c L L c L
L c L L c L
c c c c
82 |
>>
6
()()
1
2
3
4
1.6.10
M C
Ceff Ks
u u u p
5
1.6.2
eff SMu Cu C u K u p
6
| 83
1.6.2
+
- - -
1) 1) 1)
1) 1) 1)
2) 2) 2)
1) 1) () 1)
2) 2) () 2)
1)
2)
3)
()()
2effC K
1.6.11
Ceff K
SF K u
u
a
84 |
eff SF C u K u
u
b
1.6.7
1.6.3
- SF K u SF K u
SF K u SF K u
()
SF K u
SF K u SF K u
eff SF C u K u
()
SF K u
SF K u
eff SF C u K u
SF K u
eff SF C u K u
1.6.7 1.6.3
>
6
| 85
yiL yjL ij y
ziL zjL ij z
1.6.8
1
2
1.6.9
zk
yL
yiL yjL
ziyi ziL
zjyj zjL
yk
z zj zi
yiq yjq
zimzjm
V
M
Shear force
diagram
Bending momentdiagram
zm
yq
x
y
z
i
jv
iv
v
j
i j
location of shear spring
in direction 2
location of shear spring
in direction 3
x
y
z(-)
(-)
(-)(-)
(-)
(-)Axial
Momentx
Momenty
Momentz
Sheary
Shearzx
y
z(+)
(+)
(+)(+)
(+)
(+)Axial
Momentx
Momenty
Momentz
Sheary
Shearz
L
yiL yjL
ziL zjL
86 |
j yj zj i yi zi
j i yj zj yi zi
v v L v L
v v L L
y y
y j i yj zj yi zi
yj yi
q k v
k v v L L
q q
( )
( )
z z z
z zj zi
zj yj zj
zi yi zi
m k
k
m L q
m L q
z j z i
yi
zj zi
yj
m mq
L
m mq
L
zi z yi yi
zj z yj yj
m m L q
m m L q
1.6.9
6.7
1.6.10 ()
6
| 87
4 Fx, My
4 My
b c
1.6.10
6.8
()
midas Civil
1.6.11
1(Panel Zone)
2(Panel Zone)
midas Civil ()(Panel Zone)
6.8.1
1 ( )i jL L R R 1.6.12
L Ri Rj (Rigid End Offset Length)
L1 (Rigid Zone
Deformation)
midas Civil (Offset Factor)
1 ( )F i jL L Z R R 1.6.13
ZF
34 Fx, My
34 My
88 |
01
() L
a
Y
X
Z
b c
1.6.11 ()
midas Civil >>
Z XY
(ZF (Ri +Rj))
6
| 89
(
)
1.0
0.0
(L1 = L - ZF (Ri +Rj))( 1.6.12)
(Rigid End Offset Length)( L1 = L - (Ri +Rj))( 1.66)
( L1 = L - (Ri +Rj))(L1 = L - ZF (Ri +Rj))
1.0
(Beam End Release Condition)
( 1.6.12)
1.6.15
y z
1.6.16
RCy=BDcos2 RCz=BDsin
2
90 |
RCy y () RCz z () BD
z
( Z )
a
b
1.00 1.00 ( )L A B
0.75 0.75 ( )L A B
0.50 0.50 ( )L A B
0.25 0.25 ( )L A B
0.00 0.00 ( )L A B
c ( B=0)
1.6.12 /
6
| 91
Li = 1.0 Ri () Li=ZF Ri ()
Lj = 1.0 Rj () Lj=ZF Rj ()
Ri : i Rj : j
ZF : Offset Factor
V1, V2 :
M1, M2 :
V3, V4 :
1.6.13
92 |
LR = 1.0 R LR = ZF R
R
V1V2 :
M1M2:
V3
1.6.14
y
z
Z
1
2
a
y
2
1
z
b
1.6.15
6
| 93
1
z
y
2
3
: 250 0 250 0 0.0 0 250.0
: 200 40 200 40 82.6 200 0 117.4
: 150 90 150 90 150 150 90 0.0
2 2
z y
2 2
z y
2 2
z y
1 BD RC sin RC cos
2 BD RC sin RC cos
3 BD RC sin RC cos
MAX(250.0,117.4,0.0) 250.0 MAX(0.0,82.6,150.0) 150.0y zRC RC
BD
RCz
RCy
1.6.16
-( 1.6.17)
2 2cos sin
2 2
Depth WidthRB
(1.6.14)
Depth z
Width y z
94 |
3
1
2
Z
y
x
2
3
1
1.6.17
j
z
x
i
150, 100 40
150 0 100 075.0
2 2
150 40 100 4064.7
2 2
2 2
2 2
cos sin
cos sin
= = , =
i =
j =
1.6.18
6.8.2
1 XYZ
2 x
6
| 95
( 1.6.11(b)(c))
1.0
6.9
(>>)
1
2
3
4
Xs Xm Ym Zm
Ys Ym Zm Xm
Zs Zm Xm Ym
U U R Z R Y
U U R X R Z
R R R Y R X
(1.6.15)
Xs Xm
Ys Ym
Zs Zm
R R
R R
R R
(1.6.16)
, X = Xm - Xs, Y = Ym - Ys, Z = Zm - Zs
ms UxUyUz
XYZ RxRyRz XYZ
XmYmZm XsYsZs
96 |
X-Y Y-Z Z-X
X-Y
Xs Xm Zm
Ys Ym Zm
Zs Zm
U U R Y
U U R X
R R
(1.6.17)
Y-Z
Ys Ym Xm
Zs Zm Xm
Xs Xm
U U R Z
U U R Y
R R
(1.6.18)
Z-X
Zs Zm Ym
Xs Xm Ym
Ys Ym
U U R X
U U R Z
R R
(1.6.19)
XYZ
X
Xs XmU U (1.6.20)
Y
Ys YmU U (1.6.21)
Z
Zs ZmU U (1.6.22)
XYZ
6
| 97
X
Xs XmR R (1.6.23)
Y
Ys YmR R (1.6.24)
Z
Zs ZmR R (1.6.25)
(
)(Rigid Diaphragm
Action)
1 2
1 2
1.6.19
1.6.19
1 2
98 |
1 2 3 4 5
1.6.20
1.6.20 (123
4)
1.6.21 24 (
6 ) 15
Ux Uy Uz Rx Ry Rz Ux Uy Uz Rx Ry Rz
Ux Uy Uz Rx Ry RzUx Uy Uz Rx Ry Rz
UxUyRz
Uz Rx Ry Uz Rx Ry
Uz Rx RyUz Rx Ry
6
| 99
UX : X RX : X
UY : Y RY : Y
UZ : Z RZ : Z
1.6.21
UXm : X UYm : Y
RZm : Z UXs : X
UYs : Y RZs : Z
1.6.22
Xs Xm Zm
Ys Ym Zm
Zs Zm
U U R Y
U U R X
R R
(1.6.26)
3
1.6.23
100 |
1.6.23a
1.6.23