鋼絲繩的破斷拉力
一般起重作業(yè)可采用GB/T8918-1996《鋼絲繩》中6×19和6×37鋼絲繩,其規(guī)格參數(shù)見表 1和表2。
表1 鋼絲繩的破斷拉力
|
直徑 |
鋼絲繩的抗拉強(qiáng)度/MPa |
|||||
|
鋼絲繩 /mm |
鋼絲 /mm |
1400 |
1550 |
1700 |
1850 |
2000 |
|
鋼絲破斷拉力總和/kN |
||||||
|
6.2 |
0.4 |
20.00 |
22.10 |
24.30 |
26.40 |
28.60 |
|
7.7 |
0.5 |
31.30 |
34.60 |
38.00 |
41.30 |
44.70 |
|
9.3 |
0.6 |
45.10 |
49.60 |
54.70 |
59.60 |
64.40 |
|
11.O |
0.7 |
61.30 |
67.90 |
74.50 |
81.10 |
87.70 |
|
12.5 |
0.8 |
80.10 |
88.70 |
97.30 |
105.50 |
114.50 |
|
14.O |
0.9 |
101.00 |
112.00 |
123.00 |
134.00 |
114.50 |
|
15.5 |
1.O |
125.00 |
138.50 |
152.00 |
165.50 |
178.50 |
|
17.O |
1.1 |
151.50 |
167.50 |
184.00 |
200.00 |
216.50 |
|
18.5 |
1.2 |
180.00 |
199.50 |
219.00 |
238.00 |
257.50 |
|
20.O |
1.3 |
21150 |
234.00 |
257.00 |
279.50 |
302.00 |
|
21.5 |
1.4 |
245.50 |
271.50 |
298.00 |
324.00 |
350.50 |
|
23.O |
1.5 |
281.50 |
312.00 |
342.00 |
372.00 |
402.50 |
|
24.5 |
1.6 |
320.50 |
355.00 |
389.00 |
423.50 |
458.00 |
|
26.O |
1.7 |
362.00 |
400.50 |
439.50 |
478.00 |
517.00 |
|
28.O |
1.8 |
405.50 |
499.00 |
492.50 |
536.00 |
579.50 |
|
31.O |
2.O |
501.00 |
554.50 |
608.50 |
662.00 |
715.50 |
|
34.O |
2.2 |
606.00 |
671.00 |
736.00 |
801.00 |
— |
|
37.O |
2.4 |
721.50 |
798.50 |
876.00
|
953.50 |
— |
|
40.O |
2.6 |
846.50 |
937.50 |
1025.00 |
1115.00 |
— |
表2 鋼絲繩的破斷拉力
|
直 徑 |
鋼絲繩的抗拉強(qiáng)度/MPa |
|||||
|
鋼絲繩 /mm |
鋼絲 /mm |
1400 |
1550 |
1700 |
1850 |
2000 |
|
鋼絲破斷拉力總和/kN |
||||||
|
8.7 |
0.4 |
39.00 |
43.20 |
47.30 |
51.50 |
55.70 |
|
11.O |
0.5 |
60.00 |
67.50 |
74.00 |
80.60 |
87.10 |
|
13.O |
0.6 |
87.80 |
97.20 |
106.50 |
116.00 |
125.00 |
|
15.O |
0.7 |
119.50 |
132.00 |
145.00 |
157.50 |
170.50 |
|
17.5 |
0.8 |
156.00 |
172.50 |
189.50 |
206.00 |
223.00 |
|
19.5 |
0.9 |
197.50 |
218.50 |
239.50 |
261.00 |
282.00 |
|
21.5 |
1.O |
243.50 |
270.00 |
296.00 |
322.00 |
348.50 |
|
24.O |
1.1 |
295.00 |
326.50 |
358.00 |
390.00 |
421.50 |
|
26.O |
1.2 |
351.00 |
388.50 |
426.50 |
464.00 |
501.50 |
|
28.O |
1.3 |
412.00 |
456.50 |
500.50 |
544.50 |
589.00 |
|
30.O |
1.4 |
478.00 |
529.00 |
580.50 |
631.50 |
683.00 |
|
32.5 |
1.5 |
548.50 |
607.50 |
666.50 |
725.00 |
784.00 |
|
34.5 |
1.6 |
624.50 |
691.50 |
758.00 |
825.00 |
892.00 |
|
36.5 |
1.7 |
705.00 |
780.50 |
856.00 |
931.50 |
1005.00 |
|
39.O |
1.8 |
790.00 |
875.00 |
959.50 |
1040.00 |
1125.00 |
|
43.O |
2.O |
975.50 |
1080.00 |
1185.00 |
1285.00 |
1390.00 |
|
47.5 |
2.2 |
1180.00 |
1305.00 |
1430.00 |
1560.00 |
— |
|
52.O |
2.4 |
1405.00 |
1555.00 |
1705.00 |
1855.00 |
— |
|
56.O |
2.6 |
1645.00 |
1825.00 |
2000.00 |
2175.00 |
— |
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