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30m40mT梁钢绞线张拉计算书

时间:2020-08-16 来源:飒榕旅游知识分享网
40mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨边梁钢束N1,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22692.1977.3310.16510.0857.332.19700.122000.12200.00330.02930.01520.01510.02930.00330.996710.971130.984910.985010.971130.99671175.24173.19174.50174.49173.19175.24174.3113.9613.927.8630.70331.06881.575.177.227.165.171.571752.371731.901744.981744.901731.901752.371743.07139.53138.96278.4915.6751.6772.1971.6251.6715.6740mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨边梁钢束N2,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22691.09611.7826.8416.76111.7821.09600.157000.15700.00160.04120.01030.01010.04120.00160.99840.959640.989750.989950.959640.9984175.77172.19174.92174.90172.19175.77174.2913.9113.8527.7615.41115.60110.788.264.874.818.260.78878.85860.93874.58874.50860.93878.85871.4469.5569.26138.8130.70331.06883.9241.2824.3524.0641.283.921757.701721.861749.171749.001721.861757.701742.88139.11138.54277.657.8482.5748.748.1382.577.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨边梁钢束N3,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22692.19616.7970.7420.66216.7972.19600.14000.1400.00330.04620.00110.0010.04620.00330.996710.954850.99890.9990.954850.99671175.24171.78175.77175.77171.78175.24174.2613.8413.7827.6215.41115.60111.5711.740.530.4711.741.57876.19858.88878.85878.85858.88876.19871.3069.268.92138.1230.70331.06887.8358.722.652.3758.727.831752.371717.751757.701757.701717.751752.371742.61138.4137.83276.2315.66117.435.314.74117.4315.6640mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨边梁钢束N4,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22695.87612.5971.2831.20312.5975.87600.14000.1400.00880.03990.00190.00180.03990.00880.991240.960890.99810.99820.960890.99124174.97172.29175.77175.77172.29174.97174.3413.9313.8727.830.70331.06884.188.830.920.868.834.181749.711722.901757.701757.701722.901749.711743.44139.35138.78278.1341.8488.339.188.6188.3341.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨中梁钢束N1,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22692.1977.3310.16510.0857.332.19700.122000.12200.00330.02930.01520.01510.02930.00330.996710.971130.984910.985010.971130.99671175.24173.19174.50174.49173.19175.24174.3113.9613.927.8630.70331.06881.575.177.227.165.171.571752.371731.901744.981744.901731.901752.371743.07139.53138.96278.4915.6751.6772.1971.6251.6715.6740mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨中梁钢束N2,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22691.09611.7826.8416.76111.7821.09600.157000.15700.00160.04120.01030.01010.04120.00160.99840.959640.989750.989950.959640.9984175.77172.19174.92174.90172.19175.77174.2913.9113.8527.7615.41115.60110.788.264.874.818.260.78878.85860.93874.58874.50860.93878.85871.4469.5569.26138.8130.70331.06883.9241.2824.3524.0641.283.921757.701721.861749.171749.001721.861757.701742.88139.11138.54277.657.8482.5748.748.1382.577.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨中梁钢束N3,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22692.19616.7970.7420.66216.7972.19600.14000.1400.00330.04620.00110.0010.04620.00330.996710.954850.99890.9990.954850.99671175.24171.78175.77175.77171.78175.24174.2613.8413.7827.6215.41115.60111.5711.740.530.4711.741.57876.19858.88878.85878.85858.88876.19871.3069.268.92138.1230.70331.06887.8358.722.652.3758.727.831752.371717.751757.701757.701717.751752.371742.61138.4137.83276.2315.66117.435.314.74117.4315.6640mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

边跨中梁钢束N4,钢绞线9束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)3.17743.22695.87612.5971.2831.20312.5975.87600.14000.1400.00880.03990.00190.00180.03990.00880.991240.960890.99810.99820.960890.99124174.97172.29175.77175.77172.29174.97174.3413.9313.8727.830.70331.06884.188.830.920.868.834.181749.711722.901757.701757.701722.901749.711743.44139.35138.78278.1341.8488.339.188.6188.3341.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨边梁钢束N1,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88312.1977.3310.08510.0857.332.19700.122000.12200.00330.02930.01510.01510.02930.00330.996710.971130.985010.985010.971130.99671155.77153.95155.10155.10153.95155.77154.9413.913.927.827.304827.63151.575.177.167.165.171.571557.671539.471551.021551.021539.471557.671549.38138.96138.96277.9215.6751.6771.6271.6251.6715.6740mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨边梁钢束N2,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88311.09611.7826.7616.76111.7821.09600.157000.15700.00160.04120.01010.01010.04120.00160.99840.959640.989950.989950.959640.9984156.24153.05155.47155.47153.05156.24154.9213.8513.8527.713.711913.88240.788.264.814.818.260.78781.20765.27777.33777.33765.27781.20774.6069.2669.26138.5227.304827.63153.9241.2824.0624.0641.283.921562.401530.551554.671554.671530.551562.401549.20138.54138.54277.087.8482.5748.1348.1382.577.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨边梁钢束N3,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88312.19616.7970.6620.66216.7972.19600.14000.1400.00330.04620.0010.0010.04620.00330.996710.954850.9990.9990.954850.99671155.77152.69156.24156.24152.69155.77154.9013.7813.7827.5613.711913.88241.5711.740.470.4711.741.57778.83763.45781.20781.20763.45778.83774.4968.9268.92137.8427.304827.63157.8358.722.372.3758.727.831557.671526.891562.401562.401526.891557.671548.99137.83137.83275.6615.66117.434.744.74117.4315.6640mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨边梁钢束N4,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88315.87612.5971.2031.20312.5975.87600.14000.1400.00880.03990.00180.00180.03990.00880.991240.960890.99820.99820.960890.99124155.53153.15156.24156.24153.15155.53154.9713.8713.8727.7427.304827.63154.188.830.860.868.834.181555.301531.471562.401562.401531.471555.301549.72138.78138.78277.5641.8488.338.618.6188.3341.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨中梁钢束N1,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88312.1977.3310.08510.0857.332.19700.122000.12200.00330.02930.01510.01510.02930.00330.996710.971130.985010.985010.971130.99671155.77153.95155.10155.10153.95155.77154.9413.913.927.827.304827.63151.575.177.167.165.171.571557.671539.471551.021551.021539.471557.671549.38138.96138.96277.9215.6751.6771.6271.6251.6715.6740mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨中梁钢束N2,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88311.09611.7826.7616.76111.7821.09600.157000.15700.00160.04120.01010.01010.04120.00160.99840.959640.989950.989950.959640.9984156.24153.05155.47155.47153.05156.24154.9213.8513.8527.713.711913.88240.788.264.814.818.260.78781.20765.27777.33777.33765.27781.20774.6055.4255.42110.8427.304827.63153.1433.0319.2519.2533.033.141562.401530.551554.671554.671530.551562.401549.20138.54138.54277.087.8482.5748.1348.1382.577.8440mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨中梁钢束N3,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸分段理论伸10%张拉力50%张拉力100%张拉力线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△长值△△L(mm)(KN)(KN)(KN)L(mm)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88312.19616.7970.6620.66216.7972.19600.14000.1400.00330.04620.0010.0010.04620.00330.996710.954850.9990.9990.954850.99671155.77152.69156.24156.24152.69155.77154.9013.7813.7827.5613.711913.88241.5711.740.470.4711.741.57778.83763.45781.20781.20763.45778.83774.4955.1255.12110.2427.304827.63156.2646.971.891.8946.976.261557.671526.891562.401562.401526.891557.671548.99137.83137.83275.6615.66117.434.744.74117.4315.6640mT梁理论伸长值计算书

钢绞线伸长值计算公式:

△L=【P0×L/(Ay×Eg)】×【1-e-(Kx+uΘ)/Kx+uΘ】式中:△L:钢绞线直线段理论伸长值(mm);P0:计算截面处钢绞线张拉力(N);L:预应力钢绞线长度(mm);

x:从张拉端至计算截面的孔道长度(m);

Θ:从张拉端至计算截面曲线孔道部分切线的夹角之和(rad);Ay:预应力钢材截面面积(mm2);Eg:预应力钢材弹性模量(N/mm2)。

中跨中梁钢束N4,钢绞线8束

K为0.008,u值为0.175 实际伸长值=实测总伸长值-10%实测伸长值+10%理论伸长值分段理论伸10%张拉力100%张拉力(KN)△L(mm)线段L(m)Θ(rad)Kx+uΘe-(Kx+uΘ)长值△(KN)L(mm)ABBCCDDEEFFG平均张拉力AB+BC+CD段钢绞线张拉理论伸长值:△L(mm)DE+EF+FG段钢绞线张拉理论伸长值:△L(mm)钢绞线张拉总理论伸长值:△L(mm)311022#千斤顶、1057(1)#油泵表及3R4370#传感器:(Mpa)(函数为:Y=0.0174X+0.119)311017#千斤顶、1057(2)#油泵表及352499#传感器:(Mpa)(函数为:Y=0.0176X+0.1333)2.83762.88315.87612.5971.2031.20312.5975.87600.14000.1400.00880.03990.00180.00180.03990.00880.991240.960890.99820.99820.960890.99124155.53153.15156.24156.24153.15155.53154.9713.8713.8727.7427.304827.63154.188.830.860.868.834.181555.301531.471562.401562.401531.471555.301549.72138.78138.78277.5641.8488.338.618.6188.3341.84

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