连续梁腹板张拉钢绞线伸长量计算

预应力张拉伸长量计算表(雷)2015.05.16,,,,,,,,,,,,,

钢束编号,各段代号,从张拉端至计算截面的孔道长度x（m）,切线夹角θ（O）,切线夹角和θ（rad）,孔道每米局部偏差对摩擦的影响系数k,预应力筋与孔道壁的摩擦系数μ,张拉控制应力δcon（Mpa）,平均张拉应力δ=δcon（1-e-（kx+μθ）/（kx+μθ）（MPa）,预应力筋的弹性模量Ep（MPa）,伸长量△L外=δcon×Li×1000/EP(mm),总伸长量△L=2×(△LAB+△LBC+△LCD)(mm),设计值,差值（mm）

,,,,,,,,,,,,（mm）,12-13

1,2,3,4,5,6,7,8,9,10,11,12,13,14

F1,AB,8.736,0,0.00000,0.0015,0.25,1395,1385.900,198000,61.1,148.1,150,-1.9

,BC,1.587,15,0.26180,0.0015,0.25,1377,1331.182,198000,10.7,,,

,CD,0.342,0,0.00000,0.0015,0.25,1287,1286.215,198000,2.2,,,

F2,AB,7.710,0,0.00000,0.0015,0.25,1395,1386.964,198000,54.0,146.7,148,-1.3

,BC,1.571,15,0.26180,0.0015,0.25,1379,1333.248,198000,10.6,,,

,CD,1.349,0,0.00000,0.0015,0.25,1289,1287.254,198000,8.8,,,

F3,AB,6.667,0,0.00000,0.0015,0.25,1395,1388.048,198000,46.7,145.6,148,-2.4

,BC,1.592,15,0.26180,0.0015,0.25,1381,1335.314,198000,10.7,,,

,CD,2.357,0,0.00000,0.0015,0.25,1291,1288.255,198000,15.3,,,

,,计算：,,,,复核：,,,,批准：,,,

预应力张拉伸长量计算表2015.07.21,,,,,,,,,,,,,

钢束编号,各段代号,从张拉端至计算截面的孔道长度x（m）,切线夹角θ（O）,切线夹角和θ（rad）,孔道每米局部偏差对摩擦的影响系数k,预应力筋与孔道壁的摩擦系数μ,张拉控制应力δcon（Mpa）,平均张拉应力δ=δcon（1-e-（kx+μθ）/（kx+μθ）（MPa）,预应力筋的弹性模量Ep（MPa）,伸长量△L外=δcon×Li×1000/EP(mm),总伸长量△L=2×(△LAB+△LBC+△LCD)(mm),设计值,差值（mm）

,,,,,,,,,,,,（mm）,12-13

1,2,3,4,5,6,7,8,9,10,11,12,13,14

F1,AB,9.283,0,0.00000,0.0015,0.25,1395,1385.333,198000,64.9,155.4,150,5.4

,BC,1.571,15,0.26180,0.0015,0.25,1376,1330.106,198000,10.6,,,

,CD,0.342,0,0.00000,0.0015,0.25,1286,1285.191,198000,2.2,,,

F2,AB,8.241,0,0.00000,0.0015,0.25,1395,1386.413,198000,57.7,154.1,148,6.1

,BC,1.571,15,0.26180,0.0015,0.25,1378,1332.186,198000,10.6,,,

,CD,1.349,0,0.00000,0.0015,0.25,1288,1286.229,198000,8.8,,,

F3,AB,7.197,0,0.00000,0.0015,0.25,1395,1387.497,198000,50.4,152.7,148,4.7

,BC,1.571,15,0.26180,0.0015,0.25,1380,1334.274,