预应力理论伸长值计算程序1.xls

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1、附附件件一一：N1N1预预应应力力理理论论伸伸长长值值计计算算（分分段段举举例例）计算式L=PpL/ApEp Pp=P(1-e-(kx+)）/（kx+）PA=Pe-(kx+)工作长度按500mm计算1.Pp1值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N1-11953000.00154.81500.225 0.007222500.0072225 0.9928035 194596193895481514020000033.46伸缩端N1-21953000.00154.81500.225 0.00

2、7222500.0072225 0.9928035 194596193895481514020000033.46连续端2.Pp2值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N1-11938950.00159.7740.1221694 0.2250.014661 0.0274881 0.0421491 0.9587268 189865185892977414020000066.28伸缩端N1-21938950.00159.7740.1221694 0.2250.014661 0.0274881

3、0.0421491 0.9587268 189865185892977414020000066.28连续端3.Pp3值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N1-11858920.00150.76800.2250.00115200.001152 0.9988487 1857851856787681402000005.10伸缩端N1-21858920.00150.69800.2250.00104700.001047 0.9989535 1857951856976981402000004.63

4、连续端边跨伸长量（mm）216.2中跨伸长量（mm）215.7N2N2预预应应力力理理论论伸伸长长值值计计算算（分分段段举举例例）1.Pp1值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N2-11953000.00152.95700.225 0.004435500.0044355 0.9955743 194868194436295714020000020.58伸缩端N2-21953000.00152.95700.225 0.004435500.0044355 0.9955743 19486819

5、4436295714020000020.58连续端2、Pp2值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N2-11944360.00155.2360.1745278 0.2250.007854 0.0392688 0.0471228 0.9539703 189926185486523614020000035.52伸缩端N2-21944360.00155.2360.1745278 0.2250.007854 0.0392688 0.0471228 0.9539703 18992618548652

6、3614020000035.52连续端3.Pp3值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N2-11854860.00157.16300.225 0.010744500.0107445 0.989313184493183504716314020000047.20伸缩端N2-21854860.00157.09300.225 0.010639500.0106395 0.9894169 184503183523709314020000046.74连续端边跨伸长量（mm）213.1中跨伸长量（mm）

7、212.6N3N3预预应应力力理理论论伸伸长长值值计计算算（分分段段举举例例）1.Pp1值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N3-11953000.00152.58100.225 0.003871500.0038715 0.996136194922194545258114020000017.97伸缩端N3-21953000.00152.58100.225 0.003871500.0038715 0.996136194922194545258114020000017.97连续端2.Pp2

8、值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N3-11945450.00153.6650.1221694 0.225 0.0054975 0.0274881 0.0329856 0.9675525 191372188233366514020000025.05伸缩端N3-21945450.00153.6650.1221694 0.225 0.0054975 0.0274881 0.0329856 0.9675525 191372188233366514020000025.05连续端3.Pp3值计

9、算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N3-11882330.00159.0800.2250.0136200.013620.9864723 186957185686908014020000060.63伸缩端N3-21882330.00159.0100.2250.01351500.013515 0.9865759 186967185706901014020000060.16连续端边跨伸长量（mm）213.8中跨伸长量（mm）213.3N1N2N3N1N2N3伸伸长长量量计计算算（整整体体举举例

10、例）1.Pp1值计算预应力筋编号P（N)kx1(m)(弧度）kxkx+e-(kx+)Pp（N)PA(N)L(mm)Ap(mm2)Ep(MPa)伸长值（mm）备注N1-11953000.001515.3580.1221694 0.2250.023037 0.0274881 0.0505251 0.9507301 19044818567815358140200000104.46伸缩端N1-21953000.001515.2870.1221694 0.225 0.0229305 0.0274881 0.0504186 0.9508313 19045818569715287140200000103.9

11、8连续端N2-11953000.001515.3560.1745278 0.2250.023034 0.0392688 0.0623028 0.9395984 18934118350415356140200000103.84伸缩端N2-21953000.001515.2860.1745278 0.2250.022929 0.0392688 0.0621978 0.93969718935018352315286140200000103.37连续端N3-11953000.001515.3260.1221694 0.2250.022989 0.0274881 0.0504771 0.9507757 19045318568615326140200000104.25伸缩端N3-21953000.001515.2560.1221694 0.2250.022884 0.0274881 0.0503721 0.9508755 19046318570615256140200000103.77连续端边跨伸长量（mm）N1215.4N2214.2N3215.0中跨伸长量（mm）N1214.9N2213.7N3214.5