锚索张拉力计算表

参数说明计算参数

单孔设计张拉力(KN)

P S L 1

2L 3

ΔL 1

222.6190476222.6190476222.619222.619048ΔL 2206.9047619206.9047619206.9048206.904762ΔL 3

191.1904762191.1904762191.1905191.190476ΔL 1-215.7142857115.7142857115.7142915.7142857ΔL 2-315.7142857115.7142857115.7142915.7142857给定最终张拉（设计锁定）荷载作用下钢绞线

束应力σ

1021.4285711021.4285711021.4291021.42857

给定最终张拉（设计锁定）荷载作用下单根钢

绞线束荷载(N)P 143000143000143000143000单根钢绞线束的截面面

积(mm 2)A 140140140140钢绞线的弹性模量

E 195000

195000

分布差异张拉之第一步级

张拉荷载增量(KN)△P 120.1882352920.1882352920.1882420.1882353分布差异张拉之第二步级

张拉荷载增量(KN)

△P 2

41.9097542841.9097542841.9097541.9097543回归方程A值A 0.22980.22980.22980.2298回归方程B值B

0.847

0.8470.847

张拉力参数1△P 12△P 1△P 2P S *12.5%2△P 2自由端长度(mm)

各单元锚索在给定最终张拉（设计锁定）荷载作用下伸长量(mm)

各单元锚索在给定最终张拉（设计锁定）荷载作用下的差异伸长量

(mm)

222.619222.619222.619222.619222.619 206.9048206.9048206.9048206.9048206.9048 191.1905191.1905191.1905191.1905191.1905 15.7142915.7142915.7142915.7142915.71429 15.7142915.7142915.7142915.7142915.71429 1021.4291021.4291021.4291021.4291021.429 143000143000143000143000143000 140140140140140 195000195000195000195000195000 20.1882420.1882420.1882420.1882420.18824 41.9097541.9097541.9097541.9097541.90975 0.22980.22980.22980.22980.2298 0.8470.8470.8470.8470.847 P S*20%P S*50%P S*75%P S*100%P S*110%