30米T预应力伸长率计算表

30米T梁预应力张拉伸长率计算表孔束编号弹性模量单束根数101010N1边跨边1.96×105MPa梁1010101010101010N2边跨边1.96×105MPa梁1010101010101010N3边跨边1.96×105MPa梁1010101010L2L3L4L5L6L5L6+60L1+60L2L3L4L5L6L7L6+60L1+60L2L3L4L5L6L7L6+60分段长度L1+60481.551.8977.4100.093.0977.451.8单根钢绞线控张拉盘控制应制应力（N）力（KN)2035952035952035952035952035952035952035952035.952035.952035.952035.952035.952035.952035.952035.9523.622035.952035.952035.952035.952035.952035.952035.952035.9523.382035.952035.952035.952035.952035.952035.952035.952035.9523.84k0.00150.00150.00150.00150.00150.00150.0015u0.250.250.250.250.250.250.25θ0.00000000.00000000.12211110.00000000.00000000.12211110.00000000.000000022.200.00000000.17444440.17444440.00000000.00000000.17444440.17444440.000000021.970.00000000.12211110.12211110.00000000.00000000.12211110.12211110.000000022.41kx+θu0.000722250.00007770.0319938780.000150.00013950.0319938780.00007770.00072225≤△L≤0.000443550.0436682610.0443965110.00110130.001090650.0443965110.0436682610.0007434≤△L≤0.000387150.0306381780.0310775280.0013740.0013740.0310775280.0306381780.00038715≤△L≤（1-e-kx+θu）平均张拉力(KN)204204200204204200204204204199199203203199199204204201200203203200201204理论伸长量△L（cm）3.570.387.140.740.697.140.383.5723.622.190.283.805.445.393.800.282.1923.381.910.542.686.796.792.680.541.9123.840.000721990.000077700.031487490.000149990.000139490.031487490.000077700.0007219925.030.000443450.042728530.043425410.001100690.001090060.043425410.042728530.0007431224.780.000387080.030173590.030599590.001373060.001373060.030599590.030173590.0003870825.27481.5203595综上所算，N1边跨边梁两端的理论伸长值为 :(单位：cm)295.738.1523.6734.2727.12035952035952035952035952035950.00150.25伸长量控制范围0.00150.00150.00150.00150.00150.250.250.250.250.25523.620359538.1203595295.7203595综上所算，N2边跨边梁两端的理论伸长值为 :(单位：cm)258.173.6366.5916.0916.0366.573.62035952035952035952035952035952035952035950.00150.250.00150.250.00150.25伸长量控制范围0.00150.00150.00150.00150.00150.00150.00150.250.250.250.250.250.250.25258.1203595综上所算，N3边跨边梁两端的理论伸长值为 :(单位：cm)0.00150.25伸长量控制范围第1页

单束单根钢绞线控张拉盘控制应分段长度根数制应力（N）力（KN)8L1+60481.52035951628.768L251.82035951628.768L3977.42035951628.768L4100.02035951628.76N1边跨中51.96×10MPa8L593.02035951628.76梁8L6977.42035951628.768L551.82035951628.768L6+60481.52035951628.76综上所算，N1边跨中梁两端的理论伸长值为 :(单位：cm)23.629L1+60295.72035951832.3559L238.12035951832.3559L3523.62035951832.3559L4N2边跨中734.22035951832.3551.96×105MPa梁9L5727.12035951832.3559L6523.62035951832.3559L738.12035951832.3559L6+60295.72035951832.355综上所算，N2边跨中梁两端的理论伸长值为 :(单位：cm)23.389L1+60258.12035951832.3559L273.62035951832.3559L3366.52035951832.3559L4N3边跨中916.02035951832.3551.96×105MPa梁9L5916.02035951832.3559L6366.52035951832.3559L773.62035951832.3559L6+60258.12035951832.355综上所算，N3边跨中梁两端的理论伸长值为 :(单位：cm)23.84单束单根钢绞线控张拉盘控制应孔束编号弹性模量分段长度根数制应力（N）力（KN)9L1+60481.52035951832.3559L251.82035951832.3559L3977.42035951832.3559L4N1中跨边100.02035951832.35551.96×10MPa梁9L593.02035951832.3559L6977.42035951832.3559L751.82035951832.3559L6+60481.52035951832.355综上所算，N1边跨边梁两端的理论伸长值为 :(单位：cm)23.62孔束编号弹性模量kuθ0.00000000.00000000.12211110.00000000.00000000.12211110.00000000.000000022.200.00000000.17444440.17444440.00000000.00000000.17444440.17444440.000000021.970.00000000.12211110.12211110.00000000.00000000.12211110.12211110.000000022.41kx+θu（1-e-kx+θu）0.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.25伸长量控制范围0.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.25伸长量控制范围0.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.25伸长量控制范围0.000722250.000721990.00007770.000077700.0319938780.031487490.000150.000149990.00013950.000139490.0319938780.031487490.00007770.000077700.000722250.00072199≤△L≤25.030.000443550.000443450.0436682610.042728530.0443965110.043425410.00110130.001100690.001090650.001090060.0443965110.043425410.0436682610.042728530.00074340.00074312≤△L≤24.780.000387150.000387080.0306381780.030173590.0310775280.030599590.0013740.001373060.0013740.001373060.0310775280.030599590.0306381780.030173590.000387150.00038708≤△L≤25.27平均张拉力(KN)204204200204204200204204204199199203203199199204204201200203203200201204平均张拉力(KN)204204200204204200204204kuθ0.00000000.00000000.12211110.00000000.00000000.12211110.00000000.000000022.20kx+θu（1-e-kx+θu）理论伸长量△L（cm）3.570.387.140.740.697.140.383.5723.622.190.283.805.445.393.800.282.1923.381.910.542.686.796.792.680.541.9123.84理论伸长量△L（cm）3.570.387.140.740.697.140.383.5723.620.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.25伸长量控制范围第2页

0.000722250.000721990.00007770.000077700.0319938780.031487490.000150.000149990.00013950.000139490.0319938780.031487490.00007770.000077700.000722250.00072199≤△L≤25.039L1+60295.72035959L238.12035959L3523.62035959L4N2中跨边734.22035951.96×105MPa梁9L5727.12035959L6523.62035959L738.12035959L6+60295.7203595综上所算，N2边跨边梁两端的理论伸长值为 :(单位：cm)9L1+60258.12035959L273.62035959L3366.52035959L4N3中跨边916.02035951.96×105MPa梁9L5916.02035959L6366.52035959L773.62035959L6+60258.1203595综上所算，N3边跨边梁两端的理论伸长值为 :(单位：cm)孔束编号弹性模量单束根数77777777888N2中跨中1.96×105MPa梁88888分段长度L1+60L2L3L4L5L6L7L6+60L1+60L2L3L4L5L6L7L6+60481.551.8977.4100.093.0977.451.8481.5295.738.1523.6734.2727.1523.638.1295.71832.3551832.3551832.3551832.3551832.3551832.3551832.3551832.35523.381832.3551832.3551832.3551832.3551832.3551832.3551832.3551832.35523.840.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.25伸长量控制范围0.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.250.00150.25伸长量控制范围0.00000000.17444440.17444440.00000000.00000000.17444440.17444440.000000021.970.00000000.12211110.12211110.00000000.00000000.12211110.12211110.000000022.410.000443550.000443450.0436682610.042728530.0443965110.043425410.00110130.001100690.001090650.001090060.0443965110.043425410.0436682610.042728530.00074340.00074312≤△L≤24.780.000387150.000387080.0306381780.030173590.0310775280.030599590.0013740.001373060.0013740.001373060.0310775280.030599590.0306381780.030173590.000387150.00038708≤△L≤25.27-kx+θu204199199203203199199204204201200203203200201204平均张拉力(KN)2042042002042042002042042041991992032031991992042.190.283.805.445.393.800.282.1923.381.910.542.686.796.792.680.541.9123.84理论伸长量△L（cm）3.570.387.140.740.697.140.383.5723.622.190.283.805.445.393.800.282.1923.38单根钢绞线控张拉盘控制应制应力（N）力（KN)2035952035952035952035952035952035952035952035952035952035952035952035952035952035952035952035951425.1651425.1651425.1651425.1651425.1651425.1651425.1651425.16523.621628.761628.761628.761628.761628.761628.761628.761628.7623.38k0.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.00150.0015u0.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.25θ0.00000000.00000000.12211110.00000000.00000000.12211110.00000000.000000022.200.00000000.17444440.17444440.00000000.00000000.17444440.17444440.000000021.97kx+θu0.000722250.00007770.0319938780.000150.00013950.0319938780.00007770.00072225≤△L≤0.000443550.0436682610.0443965110.00110130.001090650.0443965110.0436682610.0007434≤△L≤（1-e）N1中跨中1.96×105MPa梁0.000721990.000077700.031487490.000149990.000139490.031487490.000077700.0007219925.030.000443450.042728530.043425410.001100690.001090060.043425410.042728530.0007431224.78综上所算，N1边跨中梁两端的理论伸长值为 :(单位：cm)伸长量控制范围综上所算，N2边跨中梁两端的理论伸长值为 :(单位：cm)伸长量控制范围第3页888N3中跨中1.96×105MPa梁88888L1+60L2L3L4L5L6L7L6+60258.173.6366.5916.0916.0366.573.6258.12035952035952035952035952035952035952035952035951628.761628.761628.761628.761628.761628.761628.761628.7623.840.00150.00150.00150.00150.00150.00150.00150.00150.250.250.250.250.250.250.250.250.00000000.12211110.12211110.00000000.00000000.12211110.12211110.000000022.410.000387150.0306381780.0310775280.0013740.0013740.0310775280.0306381780.00038715≤△L≤0.000387080.030173590.030599590.001373060.001373060.030599590.030173590.0003870825.272042012002032032002012041.910.542.686.796.792.680.541.9123.84综上所算，N3边跨中梁两端的理论伸长值为 :(单位：cm)伸长量控制范围30米T梁负弯矩单束张拉伸长率计算表1130米负弯105MPa矩单根张1.96×拉1111L1+50L2L3L4L5L6172.0157.1573.1573.1157.1172.0203595203595203595203595203595203595203.595203.595203.595203.595203.595203.59513.380.00150.00150.00150.00150.00150.00150.250.250.250.250.250.250.00000000.00000000.00000000.00000000.00000000.000000012.580.0002580.000235650.0008595750.0008595750.000235650.000258≤△L≤0.000257970.000235620.000859210.000859210.000235620.0002579714.192042042042042042041.281.174.254.251.171.2813.38综上所算，负弯矩单束张拉两端的理论伸长值为 :(单位：cm)伸长量控制范围第4页

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