30米简支T梁预应力张拉计算梁位钢束编号左→右第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段第1段第2段第3段线形直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线直线曲线直线实际长度x（m）3.26110.4721.0263.26110.4721.02.6823.2726.7954.6823.2726.7951.2343.27210.2141.2343.27210.2143.26110.4721.0263.26110.4721.02.6823.2726.7954.6823.2726.7951.2343.27210.2141.2343.27210.2147.57.57.5角度（º）摩阻系数μ0.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.25000.13090.13090.1309弧度θ偏差系数(kx+μθ)1-e-(kx+μθ)（rad）k0.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00490.04840.00150.00490.04840.00150.00700.03760.01020.00700.03760.01020.00190.03760.01530.00190.03760.01530.00490.04840.00150.00490.04840.00150.00700.03760.01020.00700.03760.01020.00190.03760.01530.00190.03760.01530.00490.04730.00150.00490.04730.00150.00700.03690.01010.00700.03690.01010.00180.03690.01520.00180.03690.01520.00490.04730.00150.00490.04730.00150.00700.03690.01010.00700.03690.01010.00180.03690.01520.00180.03690.0152本段张拉端应力P（MPa）1395.00001388.19301322.56231395.00001388.19301322.56231395.00001385.23721334.07671395.00001385.23721334.07671395.00001392.42021340.99441395.00001392.42021340.99441395.00001388.19301322.56231395.00001388.19301322.56231395.00001385.23721334.07671395.00001385.23721334.07671395.00001392.42021340.99441395.00001392.42021340.9944平均张拉应力Pp（MPa）1391.59371355.11281321.54561391.59371355.11281321.54511390.11291359.49651327.30101390.11291359.49651327.30101393.70971366.54611330.77451393.70971366.54611330.77451391.59371355.11281321.54561391.59371355.11281321.54511390.11291359.49651327.30101390.11291359.49651327.30101393.70971366.54611330.77451393.70971366.54611330.7745本段终点应力Pz（MPa）1388.19301322.56231320.52941388.19301322.56231320.52841385.23721334.07671320.54821385.23721334.07671320.54821392.42021340.99441320.60661392.42021340.99441320.60661388.19301322.56231320.52941388.19301322.56231320.52841385.23721334.07671320.54821385.23721334.07671320.54821392.42021340.99441320.60661392.42021340.99441320.6066弹性模伸长量梁内一端图纸理论总伸长量量EpΔL伸长量生长量（mm）（MPa）（mm）（mm）（mm)19133323.7219133374.171913337.0819133323.7219133374.171913337.0919133334.0219133323.2519133347.1419133334.0219133319133319133319133319133319133323.2547.148.9923.3771.048.99104.40104.97209.94104.97206.39N1 i端（10根）N1 j端（10根）N2 i端（10根）中梁N2 j端（10根）N3 i端（10根）N3 j端（10根）N1 i端（10根）N1 j端（10根）N2 i端（10根）边梁N2 j端（10根）N3 i端（10根）N3 j端（10根）7.50.13097.50.1309104.40208.81202.687.50.1309103.40206.79103.40198.887.50.130919133323.3719133371.0419133323.7219133374.171913337.0819133319133319133319133319133319133323.7274.177.0934.0223.2547.147.50.1309104.97209.94104.97206.397.50.13097.50.1309104.40208.81104.40202.687.50.130919133334.0219133323.2519133347.141913338.9919133323.3719133371.041913338.9919133323.3719133371.047.50.1309103.40206.79103.40198.88
