钢绞线引伸量计算表(工作长度60cm)

钢绞线名称(1)线段(2)ABBCCD25m箱梁中跨梁N1束钢绞线DEEF线型(3)张拉工作段平弯段直线段竖弯段直线段EpAp(mm2)(106Mpa)(4)140140140140140(5)1.951.951.951.951.95x(m)(6)0.6001.50.13.4862.667θ(rad)(7)00.0314200.087270kx+uθe-(kx+uθ)(k=0.0015,u=0.20)(8)0.00090.00850.00700.02270.0040(9)0.9991Pp(KN)(10)195.212△L(cm)(11)0.431.073.312.471.90合计(12)0.991494194.4680.993063194.6220.977573193.1020.996007194.910合计:9.1818.36边跨钢绞线引伸量计算表（N2）

钢绞线名称(1)线段(2)ABBCCD25m箱梁中跨梁N2束钢绞线DEEF线型(3)张拉工作段平弯段直线段竖弯段直线段EpAp(mm2)(106Mpa)(4)140140140140140(5)1.951.951.951.951.95x(m)(6)0.6001.5063.0413.48.267kx+uθθ(rad)(k=0.0015e-(kx+uθ),u=0.20)(7)0(8)0.0009(9)0.9991Pp(KN)(10)195.212△L(cm)(11)0.431.072.172.473.04合计(12)0.0314160.008500.00460.991494194.4680.9949194.8550.977573193.1020.99362194.6760.0872660.022700.00合计:9.1818.36边跨钢绞线引伸量计算表（N3）

钢绞线名称(1)线段(2)ABBCCD25m箱梁中跨梁N3束钢绞线DEEF线型(3)张拉工作段平弯段直线段竖弯段直线段EpAp(mm2)(106Mpa)(4)140140140140140(5)1.951.951.951.951.95x(m)(6)0.6001.5061.4413.4865.867kx+uθθ(rad)(k=0.0015e-(kx+uθ),u=0.20)(7)0(8)0.0009(9)0.9991Pp(KN)(10)195.212△L(cm)(11)0.431.071.032.474.180.0314160.008500.00220.991494194.4680.997841195.00.977573193.1020.991238194.4430.0872660.022700.0088合计:9.18合计(12)18.35边跨钢绞线引伸量计算表（N4）

钢绞线名kx+uθ称线段线型Ap(mm2)Ep(106Mpa)x(m)θ(rad)(k=0.0015e-(kx+uθ)Pp(KN)△L(cm),u=0.20)(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)AB张拉工作段1401.950.60000.00090.9991195.2120.43BC直线段1401.951.06600.00160.998402195.1440.76CD竖弯段1401.950.7330.0244350.00600.994031194.7170.5225m箱梁中跨梁DE直线段1401.9510.50100.01580.984372193.7707.45N4束钢绞线合计:9.17合计(12)18.33