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RIGIDECES MASAS
(tn/cm) en X (tn-S2/cm)
1 376.147 0.154
2 376.147 0.164
3 376.147 0.164
4 376.147 0.164
5 376.147 0.164
6 376.147 0.164
7 376.147 0.164
8 376.147 0.091
0.154 0 0 0 0 0 0 0
0 0.164 0 0 0 0 0 0
0 0 0.164 0 0 0 0 0
0 0 0 0.164 0 0 0 0
0 0 0 0 0.164 0 0 0
0 0 0 0 0 0.164 0 0
0 0 0 0 0 0 0.164 0
0 0 0 0 0 0 0 0.091
8X8
K
752.294 -376.147 0.000 0.000 0.000 0.000 0.000 0.000
-376.147 752.294 -376.147 0.000 0.000 0.000 0.000 0.000
0.000 -376.147 752.294 -376.147 0.000 0.000 0.000 0.000
0.000 0.000 -376.147 752.294 -376.147 0.000 0.000 0.000
0.000 0.000 0.000 -376.147 752.294 -376.147 0.000 0.000
0.000 0.000 0.000 0.000 -376.147 752.294 -376.147 0.000
0.000 0.000 0.000 0.000 0.000 -376.147 752.294 -376.147
0.000 0.000 0.000 0.000 0.000 0.000 -376.147 376.147
8X8
1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
1.964 1.686 1.168 0.487 -0.247 -0.916 -1.416 -1.688
2.854 1.809 0.302 -0.810 -0.903 0.013 1.318 2.252
3.636 1.328 -0.832 -0.803 0.603 0.902 -0.743 -2.653
4.280 0.403 -1.229 0.498 0.666 -1.010 -0.102 2.860
4.761 -0.657 -0.537 0.996 -0.864 0.215 0.909 -2.859
5.062 -1.497 0.630 -0.111 -0.325 0.773 -1.388 2.650
5.170 -1.837 1.239 -1.039 0.992 -1.069 1.363 -2.247
8X8
transpuesta :
1.000 1.964 2.854 3.636 4.280 4.761 5.062 5.170
1.000 1.686 1.809 1.328 0.403 -0.657 -1.497 -1.837
1.000 1.168 0.302 -0.832 -1.229 -0.537 0.630 1.239
1.000 0.487 -0.810 -0.803 0.498 0.996 -0.111 -1.039
1.000 -0.247 -0.903 0.603 0.666 -0.864 -0.325 0.992
1.000 -0.916 0.013 0.902 -1.010 0.215 0.773 -1.069
1.000 -1.416 1.318 -0.743 -0.102 0.909 -1.388 1.363
1.000 -1.688 2.252 -2.653 2.860 -2.859 2.650 -2.247
8X8
CALCULO MODAL ESPECTRAL EN "X"
=
T =
ENTREPISO
MATRIZ DE MASAS
M =
MATRIZ DE RIGIDECES
K =
MATRIZ DE MODOS DE VIBRACION
17.646 -0.001 0.000 0.000 0.000 0.000 0.000 0.000
-0.001 2.218 0.000 0.000 0.000 0.000 0.000 0.000
0.000 0.000 1.006 0.000 0.000 0.000 0.000 0.000
0.000 0.000 0.000 0.710 0.000 0.000 0.000 0.000
0.000 0.000 0.000 0.000 0.659 0.000 0.000 0.000
0.000 0.000 0.000 0.000 0.000 0.802 0.000 0.000
0.000 0.000 0.000 0.000 0.000 0.000 1.480 0.000
0.000 0.000 0.000 0.000 0.000 0.000 0.000 6.901
8X8
1535.077 -0.047 -0.036 0.018 -0.029 0.030 -0.039 0.072
-0.047 1699.387 0.317 -0.165 0.186 -0.191 0.241 -0.419
-0.036 0.317 2044.201 -0.140 -0.005 0.000 -0.004 0.058
0.018 -0.165 -0.140 2623.704 0.294 -0.204 0.235 -0.467
-0.029 0.186 -0.005 0.294 3619.871 -0.032 0.005 0.211
0.030 -0.191 0.000 -0.204 -0.032 5711.229 0.075 -0.654
-0.039 0.241 -0.004 0.235 0.005 0.075 12349.737 2.404
0.072 -0.419 0.058 -0.467 0.211 -0.654 2.404 62158.741
8X8
L = TxMxI
1 4.324
1 0.491
1 0.185
I = 1 0.102
1 0.069
1 0.053
1 0.045
1 0.0428X1 8X1
Le = (Li)2/Mei
Mtotal = 1.2291.059
0.109
0.034
0.015
0.007
0.003
0.001
0.000
8X1
FACTOR DE PARTICIPACION MODAL (FPMi) r = Li/Mei
0.245 TOTAL= 1.000.221
0.184
0.143
0.104
0.066
0.030
0.006
8X1
P
EN %
86.213 Total: 100.008.833
2.773
1.187
0.580
0.283
0.112
0.021 8X1
>=90%
P =
MATRIZ DE MASAS PARTICIPANTES
L =
MATRIZ DE MASAS EFECTIVAS
Le =
r =
FACTOR DE PARTICIPACION DE MASAS
MATRIZ DE Me
Me =
MATRIZ DE Ke
Ke =
T C = 2.5 (Tp/T) C Sa = (ZUCS)g/R
Z = 0.4 0.03047 49.23 2.5 147
U = 1 0.03212 46.70 2.5 147
S = 1.2 0.03522 42.59 2.5 147
g = 980 0.04052 37.02 2.5 147
R = 8 0.0497 30.18 2.5 147
Tp = 0.6 0.06719 22.32 2.5 147
0.10943 13.71 2.5 147
0.32458 4.62 2.5 147
T C = 2.5 (Tp/T) C Sa = (ZUCS)g/R0.1 15.00 2.5 147.000.2 7.50 2.5 147.000.3 5.00 2.5 147.00
0.4 3.75 2.5 147.000.5 3.00 2.5 147.000.6 2.50 2.5 147.000.7 2.14 2.1 126.000.8 1.88 1.9 110.250.9 1.67 1.7 98.001 1.50 1.5 88.201.1 1.36 1.4 80.181.2 1.25 1.3 73.501.3 1.15 1.2 67.851.4 1.07 1.1 63.001.5 1.00 1.0 58.801.6 0.94 0.9 55.131.7 0.88 0.9 51.881.8 0.83 0.8 49.001.9 0.79 0.8 46.422 0.75 0.8 44.102.1 0.71 0.7 42.002.2 0.68 0.7 40.092.3 0.65 0.7 38.352.4 0.63 0.6 36.752.5 0.60 0.6 35.282.6 0.58 0.6 33.922.7 0.56 0.6 32.672.8 0.54 0.5 31.502.9 0.52 0.5 30.413 0.50 0.5 29.40
ESPECTRO DE DISEO
ANALISIS MODAL ESPECTRAL
Parametros sismicos
0.00
20.00
40.00
60.00
80.00
100.00
120.00
140.00
160.00
0 0.5 1 1.5 2 2.5 3 3.5
Sa
(cm
/s2
)
Periodos (s)
Espectro de diseo Eje X
(W1) T1 1 Sa1 Sd187.011584 0.32458 0.245 147 1.6894
1.000 0.41396
1.964 0.81317
2.854 1.18154
3.636 1.50509
4.280 1.77155
4.761 1.97080
5.062 2.09530
5.170 2.14031
8x1
(W2) T2 2 Sa2 Sd2766.237761 0.10943 0.221 147 0.1918
1.000 0.04244
1.686 0.07156
1.809 0.07678
1.328 0.05635
0.403 0.01709
-0.657 -0.02787
-1.497 -0.06353
-1.837 -0.07796
8x1
(W3) T3 3 Sa3 Sd32031.575329 0.06719 0.184 147 0.0724
1.000 0.01331
1.168 0.01555
0.302 0.00402
-0.832 -0.01108
-1.229 -0.01636
-0.537 -0.00715
0.630 0.00839
1.239 0.01650
8x1
(W4) T4 4 Sa4 Sd43694.937796 0.0497 0.143 147 0.0398
1.000 0.00570
0.487 0.00278
-0.810 -0.00462
-0.803 -0.00458
0.498 0.00284
0.996 0.00568
-0.111 -0.00063
-1.039 -0.00593
8x1
(W5) T5 5 Sa5 Sd55489.476281 0.04052 0.104 147 0.0268
1.000 0.00278
-0.247 -0.00069
-0.903 -0.00251
0.603 0.00168
0.666 0.00185
-0.864 -0.00241
-0.325 -0.00091
0.992 0.00276
Quinto
modo de
vibracion
= Umax 5 = cm
Tercer modo
de vibracion
= Umax 3 = cm
Cuarto
modo de
vibracion
= Umax 4 = cm
Primer
modo de
vibracion
= Umax 1 = cm
Segundo
modo de
vibracion
= Umax 2 = cm
DESPLAZAMIENTOS MAXIMOS : Sd = Sa / 2 y Umax = .Sd.
(W6) T6 6 Sa6 Sd67122.684816 0.03522 0.066 147 0.0206
1.000 0.00136
-0.916 -0.00125
0.013 0.00002
0.902 0.00123
-1.010 -0.00137
0.215 0.00029
0.773 0.00105
-1.069 -0.00145
8x1
(W7) T7 r7 Sa7 Sd78342.9956 0.03212 0.030 147 0.0176
1.000 0.00054
-1.416 -0.00076
1.318 0.00071
-0.743 -0.00040
-0.102 -0.00005
0.909 0.00049
-1.388 -0.00074
1.363 0.00073
8x1
(W8) T8 8 Sa8 Sd89007.148836 0.03047 0.006 147 0.0163
1.000 0.00010
-1.688 -0.00017
2.252 0.00022
-2.653 -0.00026
2.860 0.00028
-2.859 -0.00028
2.650 0.00026
-2.247 -0.00022
0.48019
0.90593
1.27042
1.58066
1.81140
2.01497
2.17081
2.24587
0.41639
0.81647
1.18405
1.50619
1.77171
1.97102
2.09628
2.14181
0.43234
0.83884
1.20564
1.52481
1.78163
1.98201
Norma NTE - 030: 0.25abs + 0.75rss
Umax = cm
COMBINACION POR SUPERPOSICION MODAL
Sumatoria de valores absolutos (abs)
U1 = cm
Raiz de la suma de los cuadrados(rss)
U2 = cm
Septimo
modo de
vibracion
= Umax 7 = cm
Octavo
modo de
vibracion
= Umax 8 = cm
Sexto
modo de
vibracion
= Umax 6 = cm
2.11491
2.16782
0.00432
0.00839
0.01206
0.01525
0.01782
0.01982
0.02115
0.02168
R Entrepiso MATERIALRestriccion
mximaObservacion
6 8 0.0010 Concreto 0.007 S cumple
7 0.0025 Concreto 0.007 S cumple
6 0.0038 Concreto 0.007 S cumple
5 0.0048 Concreto 0.007 S cumple
4 0.0060 Concreto 0.007 S cumple
3 0.0069 Concreto 0.007 S cumple
2 0.0076 Concreto 0.007 Redisear
1 0.0081 Concreto 0.007 Redisear
CORTANTE DE ENTREPISO
162.624
152.901
137.974
120.053
96.603
75.372
49.991
19.902
9.723
14.927
17.921
23.450
21.231
25.381
30.088
19.902
V = 162.62 Tn
F8 = 19.90
F7= 30.09
F6 = 25.38
F5 = 21.23
F4 = 23.45
F3 = 17.92
F2 = 14.93
F1 = 9.72
V=
FUERZAS SISMICAS :
F = Tn
CORTANTE BASAL: V = fi
= m
DISTORSION DE ENTREPISO: = (Ui - Ui-1)/h * 0.75 * R