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1、 預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁中中跨跨N1、N2、N3、N4鋼鋼束束張張拉拉總總伸伸長(zhǎng)長(zhǎng)值值計(jì)計(jì)算算表表 附附表表1 第第一一頁(yè)頁(yè)鋼束編號(hào)各段代號(hào)從張拉端至計(jì)算截面的孔道長(zhǎng)度x(m)切線夾角(O)切線夾角和(rad)孔道每米局部偏差對(duì)摩擦的影響系數(shù)k預(yù)應(yīng)力筋與孔道壁的摩擦系數(shù)張拉控制應(yīng)力con(Mpa)平均張拉應(yīng)力=con(1-e-(kx+)/(kx+)(MPa)預(yù)應(yīng)力筋的彈性模量Ep(MPa)錨外部分伸長(zhǎng)量L外=conLi1000/EP(mm)總伸長(zhǎng)量L=2(LAB+LBC+LCD)(mm)設(shè)計(jì)值差值(mm)(mm)12-131234567891011121314N1AB5.822000.0015
2、0.213951388.92619500041.5283.4284-0.6BC11.6939.5710.167045463 0.00150.213951360.05919500081.6CD2.615000.00150.213951392.26819500018.7N2AB5.086000.00150.213951389.69219500036.2284.02822.0BC11.1469.1230.159226388 0.00150.213951361.66819500077.8CD3.915000.00150.213951390.91219500027.9N3AB3.229000.00150
3、.213951391.62719500023.0284.42804.4BC8.85810.150.177150919 0.00150.213951361.56519500061.8CD8.06000.00150.213951386.60119500057.3N4AB1.9000.00150.213951393.01419500013.6283.02785.0BC5.51112.6310.220452538 0.00150.213951359.11019500038.4CD12.633000.00150.213951381.86619500089.5說(shuō)說(shuō)明明:兩端張拉;為從張拉端至計(jì)算截面曲線孔
4、道部分的切線夾角之和,AB為錨外+錨內(nèi)到端部的直線段;BC為豎彎段部分;CD為錨內(nèi)從豎彎段到中點(diǎn)部分,總伸長(zhǎng)值為2*(AB+BC+CD)。梁體一端錨外部分鋼束長(zhǎng)度包含了限位板厚度6CM,工具錨厚度8CM,千斤頂長(zhǎng)度37.5CM,并減去了限位板和工具錨各伸入千斤頂內(nèi)的3CM和3.5CM;錨外工作長(zhǎng)度為45CM。 昌昌江江大大橋橋預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨N1、N2、N3、N4鋼鋼束束張張拉拉總總伸伸長(zhǎng)長(zhǎng)值值計(jì)計(jì)算算表表 附附表表1第第二二頁(yè)頁(yè)鋼束編號(hào)各段代號(hào)從張拉端至計(jì)算截面的孔道長(zhǎng)度x(m)切線夾角(O)切線夾角和(rad)孔道每米局部偏差對(duì)摩擦的影響系數(shù)k預(yù)應(yīng)力筋與孔道壁的摩擦系數(shù)張拉控
5、制應(yīng)力con(Mpa)平均張拉應(yīng)力=con(1-e-(kx+)/(kx+)(MPa)預(yù)應(yīng)力筋的彈性模量Ep(MPa)錨外部分伸長(zhǎng)量L外=conLi1000/EP(mm)總伸長(zhǎng)量L=Li(mm)設(shè)計(jì)值差值(mm)(mm)12-131234567891011121314N1AB5.241000.00150.213951389.53119500037.3283.0284-1.0BC12.8278.1660.1425235870.00150.213951362.22119500089.6CC3.041000.00150.213951391.82319500021.7CB15.0349.5710.167
6、0454630.00150.213951356.686195000104.6BA4.171000.00150.213951390.64519500029.7N2AB4.701000.00150.213951390.09319500033.5284.02831.0BC9.8798.0860.1411273230.00150.213951365.40319500069.2CC9.467000.00150.2139513852CB11.1469.1230.1592263880.00150.213951361.66819500077.8BA5.086000.00150.213
7、951389.69219500036.2N3AB2.999000.00150.213951391.86719500021.4283.82812.8BC7.2668.3260.1453161140.00150.213951367.49419500051.0CC17.921000.00150.213951376.417195000126.5CB8.85810.150.1771509190.00150.213951361.56519500061.8BA3.229000.00150.213951391.62719500023.0 昌昌江江大大橋橋預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨N1、N2、N3、N4鋼鋼
8、束束張張拉拉總總伸伸長(zhǎng)長(zhǎng)值值計(jì)計(jì)算算表表 附附表表1第第三三頁(yè)頁(yè)鋼束編號(hào)各段代號(hào)從張拉端至計(jì)算截面的孔道長(zhǎng)度x(m)切線夾角(O)切線夾角和(rad)孔道每米局部偏差對(duì)摩擦的影響系數(shù)k預(yù)應(yīng)力筋與孔道壁的摩擦系數(shù)張拉控制應(yīng)力con(Mpa)平均張拉應(yīng)力=con(1-e-(kx+)/(kx+)(MPa)預(yù)應(yīng)力筋的彈性模量Ep(MPa)錨外部分伸長(zhǎng)量L外=conLi1000/EP(mm)總伸長(zhǎng)量L=Li(mm)設(shè)計(jì)值差值(mm)(mm)12-131234567891011121314N4AB3.11000.00150.213951391.75119500022.2282.82802.8BC2.998
9、6.870.119904120.00150.213951375.32419500021.1CC26.733000.00150.213951367.401195000187.5CB5.51112.6310.2204525380.00150.213951359.11019500038.4BA1.90000.00150.213951393.01419500013.6說(shuō)說(shuō)明明:兩端張拉;為從張拉端至計(jì)算截面曲線孔道部分的切線夾角之和,AB為有伸縮縫端錨外+錨內(nèi)到端部的直線段;BC為有伸縮縫端豎彎段部分;CC為錨內(nèi)中間直線段部分,CB為無(wú)伸縮縫端豎彎段部分;BA為無(wú)伸縮縫錨外+錨內(nèi)到端部的直線段。梁體一
10、端錨外部分鋼束長(zhǎng)度包含了限位板厚度6CM,工具錨厚度8CM,千斤頂長(zhǎng)度37.5CM,并減去了限位板和工具錨各伸入千斤頂內(nèi)的3CM和3.5CM;錨外工作長(zhǎng)度為45CM。 昌昌江江大大橋橋預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁連連續(xù)續(xù)N1、N2、N3鋼鋼束束張張拉拉總總伸伸長(zhǎng)長(zhǎng)值值計(jì)計(jì)算算表表 附附表表1第第三三頁(yè)頁(yè)鋼束編號(hào)梁體一端錨外部分鋼束長(zhǎng)度L1(m)單端錨下部分鋼束長(zhǎng)度 L2(m)單端總長(zhǎng)度L=L1+L2切線夾角和(rad)孔道每米局部偏差對(duì)摩擦的影響系數(shù)k預(yù)應(yīng)力筋與孔道壁的摩擦系數(shù)張拉控制應(yīng)力con(Mpa)平均張拉應(yīng)力=con(1-e-(kx+)/(kx+)(MPa)預(yù)應(yīng)力筋的彈性模量Ep(MPa)單
11、端伸長(zhǎng)量L=L1000/EP (mm)設(shè)計(jì)伸長(zhǎng)值差值(mm)(mm)12-1112345678910111213N10.061111.0600.00150.213951383.49219500078.47771N20.0688.0600.00150.213951386.60119500057.31552N30.061414.0600.00150.213951380.39319500099.53955說(shuō)說(shuō)明明:連續(xù)段采用一端張拉。 預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁中中跨跨N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表 附附表表1第第四四頁(yè)頁(yè)鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞
12、線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021705F*0.1-0.99528 (MPa)油表讀數(shù)y=0.021705F*0.2-0.99528 (MPa)油表讀數(shù)y=0.021705F-0.99528 (MPa)N1140798013951367.101.974.9428.68YCQ250Q型壓力表號(hào)為1145N2140798013951367.101.974.9428.68N3140798013951367.101.974.9428.68N414057001395976.
13、501.123.2420.20預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021705F*0.1-0.99528 (MPa)油表讀數(shù)y=0.021705F*0.2-0.99528 (MPa)油表讀數(shù)y=0.021705F-0.99528 (MPa)N11409126013951757.702.826.6337.16YCQ250Q型壓力表號(hào)為
14、1145N21409126013951757.702.826.6337.16N31409126013951757.702.826.6337.16N4140798013951367.101.974.9428.68 預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁中中跨跨N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表 附附表表1第第五五頁(yè)頁(yè)鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021731F*0.1+1.144249 (MPa)油表讀數(shù)y
15、=0.021731F*0.2+1.144249(MPa)油表讀數(shù)y=0.021731F+1.144249 (MPa)N1140798013951367.104.127.0930.85YCQ250Q型壓力表號(hào)為1538N2140798013951367.104.127.0930.85N3140798013951367.104.127.0930.85N414057001395976.503.275.3922.36預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(m
16、m2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021731F*0.1+1.144249 (MPa)油表讀數(shù)y=0.021731F*0.2+1.144249(MPa)油表讀數(shù)y=0.021731F+1.144249 (MPa)N11409126013951757.704.968.7839.34YCQ250Q型壓力表號(hào)為1538N21409126013951757.704.968.7839.34N31409126013951757.704.968.7839.34N4140798013951367.104.127.0930.85 預(yù)
17、預(yù)應(yīng)應(yīng)力力砼砼T梁梁連連續(xù)續(xù)N1、N2、N3張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)單根控制張拉力F=A/n/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.208611F*0.1-0.28824(MPa)油表讀數(shù)y=0.208611F*0.2-0.28824(MPa)油表讀數(shù)y=0.208611F-0.28824(MPa)N114057001395195.303.797.8640.45200KN型壓力表號(hào)為6828N214057001395195.3
18、03.797.8640.45N314057001395195.303.797.8640.45 預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁中中跨跨N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表 附附表表1第第四四頁(yè)頁(yè)鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021705F*0.1-0.99528 (MPa)油表讀數(shù)y=0.021705F*0.2-0.99528 (MPa)油表讀數(shù)y=0.021705F-0.99528 (MPa)N11
19、4079801388.9261361.151.964.9128.55YCQ250Q型壓力表號(hào)為1145N214079801389.6921361.901.964.9228.56N314079801391.6271363.791.964.9228.61N414057001393.014975.111.123.2420.17預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨有有伸伸縮縮縫縫N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉2
20、0%張拉100%張拉備注油表讀數(shù)y=0.021705F*0.1-0.99528 (MPa)油表讀數(shù)y=0.021705F*0.2-0.99528 (MPa)油表讀數(shù)y=0.021705F-0.99528 (MPa)N1140912601389.5311750.812.806.6037.01YCQ250Q型壓力表號(hào)為1145N2140912601390.0931751.522.816.6137.02N3140912601391.8671753.752.816.6237.07N414079801391.7511363.921.974.9328.61 預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁中中跨跨N1、N2、N3、
21、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表 附附表表1第第五五頁(yè)頁(yè)鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021731F*0.1+1.144249 (MPa)油表讀數(shù)y=0.021731F*0.2+1.144249(MPa)油表讀數(shù)y=0.021731F+1.144249 (MPa)N114079801388.9261361.154.107.0630.72YCQ250Q型壓力表號(hào)為1538N214079801389.6921
22、361.904.107.0630.74N314079801391.6271363.794.117.0730.78N414057001393.014975.113.265.3822.33預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨有有伸伸縮縮縫縫N1、N2、N3、N4張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)控制張拉力F=A/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.021731F*0.1+1.144249 (MPa)油表讀數(shù)y=0.021731F*0.2+1.1
23、44249(MPa)油表讀數(shù)y=0.021731F+1.144249 (MPa)N1140912601389.5311750.814.958.7539.19YCQ250Q型壓力表號(hào)為1538N2140912601390.0931751.524.958.7639.21N3140912601391.8671753.754.968.7739.26N414079801391.7511363.924.117.0730.78 預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁連連續(xù)續(xù)N1、N2、N3張張拉拉力力與與油油表表讀讀數(shù)數(shù)計(jì)計(jì)算算表表鋼束編號(hào)鋼絞線的公稱面積Ap(mm2)每束鋼絞線數(shù)量n(根)每束鋼絞線截面面積A=nAp(mm2)張拉控制應(yīng)力(MPa)單根控制張拉力F=A/n/1000(KN)10%張拉20%張拉100%張拉備注油表讀數(shù)y=0.208611F*0.1-0.28824(MPa)油表讀數(shù)y=0.208611F*0.2-0.28824(MPa)油表讀數(shù)y=0.208611F-0.28824(MPa)N114057001395195.303.797.8640.45200KN型壓力表號(hào)為6828N214057001395195.303.797.8640.45N314057001395195.303.797.8640.45預(yù)預(yù)應(yīng)應(yīng)力力砼砼T梁梁邊邊跨跨無(wú)無(wú)伸伸縮縮縫縫N1、N2、N3、
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