Civil Engineering Reference
In-Depth Information
Table 2.3
Rope elasticity module as secant between the lower and upper rope tensile stress, 6-strand ropes with two wire layers and spiral round strand
ropes
Rope-condition
Rope elasticity module E in kN/mm
2
Lower tensile stress in N/mm
2
0
Upper tensile stress in N/mm
2
40
Rope-construct.
Rope-core
100
200
300
400
600
800
New
6-strands
NFC
42
49
57
62
66
71
75
Two wire layers
SFC
36
43
51
56
60
65
69
IWRC
53
62
71
76
80
85
88
PWRC
70
79
88
93
97
102
105
ESWRC
59
68
72
84
86
91
94
EFWRC
41
50
59
64
68
73
76
Spiral-round-
Two strand layer
57
66
72
76
78
81
82
strand rope
Three strand layer
55
65
71
75
77
80
81
Rope elasticity module E in kN/mm
2
Lower tensile stress in N/mm
2
0
Upper tensile stress in N/mm
2
40
Rope-condition
Rope-construct.
Rope-core
100
200
300
400
600
800
Ten times loaded
6-strands
NFC
61
70
80
87
93
100
105
Two wire layers
SFC
50
59
69
76
82
89
94
IWRC
65
76
88
96
101
109
114
PWRC
70
79
91
99
104
112
117
ESWRC
61
72
84
92
97
105
110
EFWRC
50
61
73
81
86
94
99
Spiral-round-
Two strand layer
57
67
73
79
84
90
94
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