预应力张拉计算样表

1860Mpa=0.72fpk=140mm21339×140=压力表编号P=0.035824F+0.04348=40.34Mpa压力表编号P=0.036136F-0.71087=39.94Mpa6每束控制力F1124.9KN张拉阶段%σK1050100单位4.0320.17#####Mpa3.9919.97#####MpaN164.6mmN264.5mmN364.4mm允许误差%60.768.560.668.460.568.31860Mpa=0.75fpk=140mm21395×140=千斤顶编号压力表编号线性回归方程P=0.035824F+0.04348=#####Mpa千斤顶编号压力表编号线性回归方程P=0.036136F-0.71087=#####Mpa每束钢绞线根数4每束控制力F781.2KN千斤顶、油表编号张拉阶段%σK1050100单位268#、YL101809782.8014.01#####Mpa237#、YL101809602.7513.76#####Mpa千斤顶编号压力表编号线性回归方程P=0.035824F+0.04348=#####Mpa千斤顶编号压力表编号线性回归方程P=0.036136F-0.71087=#####MpaYL10180960单根钢绞线截面积千斤顶编号线性回归方程千斤顶编号5.50N1268#237#270级Øs15.2mm钢绞线标称抗拉强度268#N1实际允许伸长范围mmN2实际允许伸长范围mmN3实际允许伸长范围mmK3+810.5小桥N2单根钢绞线截面积~锚下控制应力σcom每根钢绞线控制力金仙桥线性回归方程每束钢绞线根数千斤顶、油表编号268#、YL10180978钢绞线理论伸长量270级Øs15.2mm钢绞线标称抗拉强度预应力张拉计算表237#、YL10180960YL10180978锚下控制应力σcom每根钢绞线控制力268#YL10180978YL10180978237#YL10180960YL10180960237#208.077.99205.61~~每束钢绞线根数3每束控制力F585.9KN千斤顶、油表编号张拉阶段%σK1050100单位268#、YL101809782.1010.52#####Mpa237#、YL101809602.0510.23#####MpaN164.6mmN264.5mmN364.4mm允许误差%60.768.560.668.460.568.3150t≥112.5t注：1.金仙桥为t梁，3束钢绞线，每束6根钢绞线2.小桥为13m空心板，4束钢绞线，n13根、n24根钢绞线204.21钢绞线理论伸长量N1实际允许伸长范围mmN2实际允许伸长范围mm4.09~~~N2N3实际允许伸长范围mm千斤顶选用YCW-1501339.2Mpa187.49KN允许误差%61395Mpa195.3KNYL10180960预应力张拉计算表YL10180978YL10180978YL10180978YL10180960YL10180960允许误差%6