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鋼絲繩的破斷拉力

一般起重作業可采用GB/T8918-1996《鋼絲繩》中6×19和6×37鋼絲繩,其規格參數見表 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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