现浇箱梁预应力钢绞线伸长值的计算与分析

Calculation and Analysis of Cast-in-place Box Beam Prestressed Steel Strand Elongation Value

结合锡张高速WXXQHT标主线桥第三联预应力钢绞线N1束的实际情况,介绍了预应力钢绞线张拉伸长值的计算方法,分析了实测伸长数值与计算伸长值的偏差因素。

Based on the actual situation of prestressed steel strand N1 bunch in Xizhang highway,the author introduces the calculation of prestressed steel strand elongation value,and analyzes deviation factor between measured and calculated elongation value.