Civil Engineering Reference
In-Depth Information
Table 2.12 Endurance factor f T =N V /N w , for rope with terminations related to resin sockets
Rope termination
Number
of ropes
z
Number
of tests
n V /n w
Logarithm of the
endurance
factor lg f T
Standard
deviation
lg s fT
Endurance factor f T
Metal socket a,d
Cross-NFC-6 9 37
2/2
-0.544
0.367
0.286
Warr-SFC-8 9 19
12/19
Warr-IWRC-8 9 19
5/26
Splice eye b
Warr-SFC-8 9 19
1
2/19
-1.008
0.161
0.098
Cylindric aluminum ferrule eye
termination c,d,e,f,g,h
Cross-NFC-6 9 37
1
1/2
-0.463
0.368
0.345
Warr-NFC-8 9 19
1
15/19
Warr-IWRC-8 9 19
1
5/26
WS-IWRC-6 9 36
2
8/26
Flemic eye with steel clamp d,i
Cross-NFC-6 9 37
1
9/2
-0.428
0.314
0.373
Warr-SFC-8 9 19
1
9/19
Press bolt j
Spiral 37 9 1
1
7
-0.700
0.263
0.20
Wegde socket (rope lock) d,k
Warr-SFC-8 9 19
1
1
36/19
0.306
¼ 14
28
14
28
¼ 1 : 347 þ 0 : 0071 a
þ 0 : 145 l K = d n
a
l K = d
¼ 4
4
6
6
Warr-IWRC-8 9 19
46/26
¼ 0 : 216
0 : 271
0 : 420
0 : 529
f T
U-bolt clamp DIN 1142 d,l,m
Warr-SFC-8 9 19
1
5/19
-0.871
0.152
0.108
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