Excel表格梁板预应力张拉理论伸长值计算(已编公式,自动计算)

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预应力筋编号Pkx1θμkxμθkx+μθe-(kx+μθ)PpLApN11953000.00157.690.034910.250.0115350.0087280.0202630.9799411933357690140N21953000.00157.70.04363320.250.011550.0109080.0224580.9777921931237700140预应力筋编号Pkx1θμkxμθkx+μθe-(kx+μθ)PpLApN11953000.00157.5750.034910.250.0113630.0087280.020090.980111933517575140N21953000.00157.580.04363320.250.011370.0109080.0222780.9779681931417580140工作长度暂考虑500mm预应力理论伸长值计算计算式ΔL=PpL/ApEpPp=P(1-e-(kx+μθ))/(kx+μθ)PA=Pe-(kx+μθ)1、边跨空心板2、中跨空心板Ep伸长值(mm)备注伸长量工作长度伸长量理论伸长量最大最小19300055.02中板110.03.6117.3124.3122110.239119300055.04中板110.13.6117.3124.3361110.2603Ep伸长值(mm)备注工作长度伸长量理论伸长量最大最小19300054.21边跨108.43.6115.6122.5776108.700919300054.18边跨108.43.6115.6122.5281108.657A=Pe-(kx+μθ)

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