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(1) (2)
(3) (4)
(5) (6)
(7) (8)
(9)
1-1 1-2 3 1) 2) 3) 1-3 1) 2) 3)
1-4 3)
4)
5) 1-5 1) 1. 2. 0 2) 1-6
1-7 1) 2)
3) 1-8
2-1 1) 1. (6~12mm)
2)
80%
PH 8
(
)
PrEN-XXXX DRC > 30.0% 48.8%
PrEN-YYYY AC < 7.5% 3.1%
PrEN-YYYY A.C(alk) < 10.0% 2.8%
7mm
0.003
160
100%
11%
100%
97%
2-2 1) 2) 3)
2-3
2-4 2-5 2-6
3-1 1) 1. ()() 2.
2) 1
(kgf / c) CNS 10639 40 67
(kgf / c) CNS 10639 100 169
(kgf / c) CNS 10639 10 12.3
(%) CNS 10639 15 5.2
2.
() ASTM D-1227 8.2~8.7 8.62
ASTM D-1227 980~1040 995
ASTM D-1227 47~53% 50.1%
ASTM D-1227 8% 5.2%
ASTM D-1227 53% 49.9%
ASTM D-1227
ASTM D-1227 24
,1003(212
5)
ASTM D-1227
,01/2(321) ASTM D-1227
ASTM D-1227
ASTM D-1227
25 7500~12500cps
47-51%
PH 7.5~8.5
3-2 1) (
) 2)
3-3 1) 2) 3
3)
4) 5)
6)
3-4 30CM 3-5 3-6
4-1 1) 1. ()()
2. () 2) 1
(kgf / c) CNS 10639 40 67
(kgf / c) CNS 10639 100 169
(kgf / c) CNS 10639 10 12.3
(%) CNS 10639 15 5.2
2.
(kgf / c) CNS 8645 43
(%) CNS 8645 556
(kgf / cm) CNS 8645 4783
(kgf / cm) CNS 8645 17.4
(80, 168) CNS 8645 -0.56
4-2 2) (
) 3) 4-3
3) 4) 5) 0.2
6) 2.5~3mm
7) 8) 4-4 () 4-5 4-6
5-1 1) 1.39%
2. ()
7psi (164.9m)45psi(103.831.6m)() 3.
2) 1
ASTM C-642
()
3.65%
(3.08%)
ASTM C-642
()
4.1%
(3.58%)
ASTM C-642 2.27Mg/
() (2.47Mg/)
ASTM C-642
()
2.50Mg/
(2.71Mg/)
ASTM C-642
()
9.2%
(8.86%)
ASTM C501 23
(3.51g)
BS 4408 part 5
DIN 1048 223KG/c)
BS 5325 4.5-5%
ASTM C-666 303cycles
367 1567 3
790 7
776 14
777 28
(%) CNS 488 9.43
(%) ASTM C490 0. 0318 70. 0664 140.0846 28
5-2 1) 2) 3) 4)
(5) 6) 7) 8) 9) )
10) v11) 12) 13)
14) 15) 16)
17) 18) 19) 20) 5-3 1) 2)
3) (
)(1)
4)
5) ()
6) 5-4 1)
2) 5-5 5-6
1
() 138
2 138
4 210 5 210 6 5cm 210
7 48 8 48 9 48
10 270 11 270 12 270
13 1. 2. 3.