Excel表格30米箱梁张拉伸长量计算程序表

内容

钢束编号L1L4N10.650.885N20.652.507N30.654.129N40.6512.901N10.652.693N20.654.263N30.655.893N40.6513.0011.01650.73315.400530米边跨箱梁6.62303.92715.4634.99753.92715.46751.06650.73315.35058.18803.92715.45808.36153.92715.44556.75553.92715.4615△L=P均*L/Ay*Ey由图纸计算张拉端至计算截面的孔道长度L2L3=圆周率/180*切角*半径L/29.96803.92715.430030米中跨箱梁池州长江大桥及接线工程05标30米小箱梁预应力张拉计算书由图纸设计可知预制小箱梁采用高强度、低松弛钢绞线,公称直径为15.20mm,截面面积Ay=140mm2,其标准抗拉强度fpk=1860MPa,钢绞线弹性模量为Ey=1.95×105MPa,控制张拉应力为0.75fpk=1395MPa,波纹管采用金属粘结波纹管,查表得到孔道偏差系数K=0.0015,管道摩擦系数μ=0.25P1=0.75fpk*AyAy=n*140P均=P(1-e-(kL+μθ))/(kx+μθ)L=从张拉端至计算截面的孔道长度序号线段L(m)θ(rad)kμP1(N)P2(N)P(N)Ep(Mpa)Ay(mm2)ΔL(mm)总伸长L10.6500.00150.25781.20781.20781.201950005604.650L29.96800.00150.25781.20769.58775.3919500056070.779L33.9270.0872660.00150.25769.58748.45759.0119500056027.295L40.88500.00150.25748.45747.46747.951950005606.06215.4299930.85998108.786217.5721L10.6500.00150.25781.20781.20781.201950005604.650L28.361500.00150.25781.20771.44776.3219500056059.443L33.9270.0872660.00150.25771.44750.26760.8519500056027.361L42.507000.00150.25750.26747.45748.8619500056017.19215.445530.891108.647217.2939L10.6500.00150.25781.20781.20781.201950005604.650L26.755500.00150.25781.20773.31777.2619500056048.084L33.9270.0872660.00150.25773.31752.08762.7019500056027.428L44.12900.00150.25752.08747.43749.7619500056028.34915.461530.923108.511217.0216L10.6500.00150.25781.20781.20781.201950005604.650L21.066500.00150.25781.20779.95780.581950005607.623L30.7330.0244350.00150.25779.95774.34777.151950005605.217L412.90100.00150.25774.34759.45766.9019500056090.60215.350530.701108.092216.1844N1N2N3N4合计合计30米中跨预应力箱梁张拉伸长量计算表合计合计序号线段L(m)θ(rad)kμP1(N)P2(N)P(N)Ep(Mpa)Ay(mm2)ΔL(mm)备注L10.6500.00150.25976.50976.50976.501950007004.650L28.18800.00150.25976.50964.56970.5319500070058.217L33.9270.0872660.00150.25964.56938.08951.3219500070027.369L42.69300.00150.25938.08934.29936.1819500070018.47015.4579930.91598108.706217.4118L10.6500.00150.25976.50976.50976.501950007004.650L26.62300.00150.25976.50966.83971.6719500070047.145L33.9270.0872660.00150.25966.83940.29953.5619500070027.433L44.26300.00150.25940.29934.29937.2919500070029.27215.4630108.501217.0014L10.6500.00150.25781.20781.20781.201950005604.650L24.997500.00150.25781.20775.36778.2819500056035.618L33.9270.0872660.00150.25775.36754.07764.7219500056027.500L45.89300.00150.25754.07747.43750.7519500056040.51415.4674930.93498108.282216.5646L10.6500.00150.25781.20781.20781.201950005604.650L21.016500.00150.25781.20780.01780.601950005607.266L30.7330.0244350.00150.25780.01774.40777.201950005605.217L413.00100.00150.25774.40759.40766.9019500056091.30415.4005430.80108108.438216.876合计N1N2N3N430米边跨预应力箱梁张拉伸长量计算表合计合计合计序号线段L(m)θ(rad)kμP1(N)P2(N)P(N)Ep(Mpa)Ay(mm2)ΔL(mm)备注N1T13.500.00150.25781.20781.20781.2019500056025.03850.07692N2T2500.00150.25585.90585.90585.9019500042035.76971.53846N3T37.500.00150.25781.20781.20781.2019500056053.654107.307730米小箱梁负弯矩张拉伸长量计算表

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