箱梁預(yù)應(yīng)力鋼束伸長(zhǎng)值計(jì)算書(shū)

1、下曲灣特大橋大橋跨隴海鐵路（32+48+32）m連續(xù)箱梁預(yù)應(yīng)力鋼束伸長(zhǎng)值計(jì)算書(shū)一、 張拉力下曲灣特大橋跨隴海鐵路（32+48+32）m連續(xù)箱梁縱向預(yù)應(yīng)力鋼絞線采用抗拉強(qiáng)度標(biāo)準(zhǔn)值為fpk=1860MPa、彈性模量EP=195GPa, 公稱直徑j(luò)15.20mm，截面面積為140mm2，高強(qiáng)度低松弛鋼絞線,其技術(shù)標(biāo)準(zhǔn)符合GB5224標(biāo)準(zhǔn)。豎向預(yù)應(yīng)力采用公稱直徑25mm的PSB830預(yù)應(yīng)力混凝土用螺紋鋼筋，其抗拉強(qiáng)度標(biāo)準(zhǔn)值fpk=830MPa、彈性模量EP=200GPa,本梁采用全橋豎向預(yù)應(yīng)力，縱向預(yù)應(yīng)力考慮工作段伸長(zhǎng)量及錨圈口預(yù)應(yīng)力損失，張拉控制應(yīng)力取設(shè)計(jì)張拉應(yīng)控制應(yīng)力值的1.03倍。二、 伸長(zhǎng)量計(jì)

2、算計(jì)算公式：L=PpL/EpAp=pL/Ep其中： p=1-e-(Kx+)/（Kx+）i=(i-1) e-(Kx+)（張拉起點(diǎn)應(yīng)力與張拉終點(diǎn)應(yīng)力關(guān)系）-預(yù)應(yīng)力鋼筋張拉端的張拉應(yīng)力，MPa;L-預(yù)應(yīng)力鋼筋長(zhǎng)度，m;-從張拉端到計(jì)算截面曲線孔道部分切線的夾角之和，rad;k-孔道每米局部偏差對(duì)摩擦的影響系數(shù)，取 k=0.0025;-預(yù)應(yīng)力鋼筋與孔道壁的摩擦系數(shù)，金屬波紋管取=0.23，Ep-預(yù)應(yīng)力鋼筋彈性模量，鋼絞線取Ep=195GPa；p -預(yù)應(yīng)力鋼筋的平均張拉應(yīng)力，取張拉端的拉應(yīng)力與計(jì)算截面處扣除孔道摩阻損失后的拉應(yīng)力的平均值, MPa；對(duì)由多曲線段或直線與曲線段組成的曲線筋張拉伸長(zhǎng)量應(yīng)分段計(jì)

3、算，然后疊加，在計(jì)算時(shí)應(yīng)將每段兩端扣除孔道的摩阻損失后的拉力求出，然后再計(jì)算每段的張拉伸長(zhǎng)值。三、 伸長(zhǎng)量計(jì)算表48+80+48梁預(yù)應(yīng)力伸長(zhǎng)量計(jì)算之考慮工作段長(zhǎng)度及應(yīng)力增大(鋼絞線：=0.23，=0.0025，L=6mm；精扎螺紋鋼：=0.35，=0.003，L=1mm)鋼束編號(hào)T1分段編號(hào)長(zhǎng)度 (m)(弧度)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB5.50000.013750.9863440991341.061322.751331.883.8合計(jì)11.9808

4、.27.30.9鋼束編號(hào)T2分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB8.50000.021250.978974191341.061312.861326.915.8合計(jì)17.98012.2411.241.0鋼束編號(hào)T3分段編號(hào)長(zhǎng)度 (m)(弧度)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB11.50000.

5、028750.9716593491341.061303.051321.977.8合計(jì)23.98016.315.141.1鋼束編號(hào)T4分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.3140.052359880.012828170.987253761340.531323.441331.970.2直線CD13.86100.03465250

6、.9659410221331.971286.601309.169.3合計(jì)29.96220.118.781.4鋼束編號(hào)T5分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.3140.052359880.012828170.987253761340.531323.441331.970.2直線CD17.36100.04340250.95752

7、59081331.971275.391303.4811.6合計(jì)36.96224.723.221.5鋼束編號(hào)T6分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.3140.052359880.012828170.987253761340.531323.441331.970.2直線CD20.86100.05215250.9491841051

8、331.971264.281297.8313.9合計(jì)43.96229.327.621.7鋼束編號(hào)T7分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.3140.052359880.012828170.987253761340.531323.441331.970.2直線CD24.36100.06090250.9409149751331.9

9、71253.271292.2216.1合計(jì)50.96233.831.981.8鋼束編號(hào)T8分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.4901341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.3140.052359880.012828170.987253761340.531323.441331.970.2直線CD27.86100.06965250.9327178831331.971242

10、.351286.6418.4合計(jì)57.96238.336.32.0鋼束編號(hào)T9分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.31420.052359880.012828170.987253761340.531323.441331.970.2直線CD31.36100.07840250.9245922031331.971231.53128

11、1.0920.6合計(jì)64.9642.740.582.2鋼束編號(hào)T10分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.31420.052359880.012828170.987253761340.531323.441331.970.2直線CD34.86100.08715250.9165373131331.971220.801275.582

12、2.8合計(jì)71.9647.144.822.3鋼束編號(hào)T11分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB0.31600.000790.9992103121341.061340.001340.530.2曲線BC0.31420.052359880.012828170.987253761340.531323.441331.970.2直線CD38.36100.09590250.9085525961331.971210.161270.0925.0合計(jì)

13、78.9651.549.022.5鋼束編號(hào)T12單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB0.36900.00092250.9990779251341.061339.821340.440.25曲線BC0.5240.087266460.021380280.9788466551340.441312.091326.210.36直線CD15.52100.03880250.9619406741326.211275.74

14、1300.8110.35曲線DE1.0470.174532930.042760570.9581407731300.811246.361273.390.68直線EF1.74100.00435250.9956569581273.391267.861270.631.13工作段0.4900.0012250.998775751270.631269.071269.850.32小計(jì)20.1813.44工作段0.491341.060.34直線AB1.74100.00435250.9956569581341.061335.241338.151.19曲線BC1.0470.174532930.042760570.9

15、581407731338.151282.131309.940.70直線CD15.52100.03880250.9619406741309.941260.081284.8510.23曲線DE0.5240.087266460.021380280.9788466551284.851257.671271.210.34直線EF0.36900.00092250.9990779251271.211270.041270.630.24工作段0.4900.0012250.998775751270.631269.071269.850.32小計(jì)20.1813.36靠近梁端8.64遠(yuǎn)離梁端3.74設(shè)計(jì)值12.38A1.

16、0213.40鋼束編號(hào)T13單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB0.36900.00092250.9990779251341.061339.821340.440.25曲線BC0.5240.087266460.021380280.9788466551340.441312.091326.210.36直線CD12.06100.03015250.9702975521326.211286.821306.428.0

17、8曲線DE1.0470.174532930.042760570.9581407731306.421251.731278.880.69直線EF1.700.004250.9957590181278.881273.461276.171.11工作段0.4900.0012250.998775751276.171274.601275.390.32小計(jì)16.6811.15工作段0.491341.060.34直線AB1.700.004250.9957590181341.061335.371338.211.17曲線BC1.0470.174532930.042760570.9581407731338.211282

18、.201310.010.70直線CD12.06100.03015250.9702975521310.011271.101290.457.98曲線DE0.5240.087266460.021380280.9788466551290.451263.161276.760.34直線EF0.36900.00092250.9990779251276.761275.581276.170.24工作段0.4900.0012250.998775751276.171274.601275.390.32小計(jì)16.6811.09靠近梁端7.75遠(yuǎn)離梁端2.41設(shè)計(jì)值10.16A0.9611.12鋼束編號(hào)H分段編號(hào)長(zhǎng)度 (

19、m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.76800.004419640.9955901081341.061335.151338.101.2曲線BC1.0470.174532930.042760570.9581407731338.101282.091309.900.7直線CD4.41200.011030.9890306071309.901295.531302.702.9合計(jì)15.4310.409.281.1鋼束編號(hào)M1分段編號(hào)長(zhǎng)度 (m)(rad)

20、kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.56400.003910.9960976341341.061335.831338.441.1曲線BC4.8870.610865240.152716310.85837321338.441148.881241.253.1直線CD0.14100.00035250.9996475621241.251240.811241.030.1合計(jì)14.169.227.521.7鋼束編號(hào)M2分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起

21、點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.39700.003491250.9965148371341.061336.391338.721.0曲線BC4.8870.610865240.152716310.85837321338.721149.121241.513.1直線CD2.70400.006760.9932627971241.511233.151237.321.7合計(jì)18.9512.2510.981.3鋼束編號(hào)M3分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mp

22、a)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.28300.00320750.9967976391341.061336.771338.910.9曲線BC4.8870.610865240.152716310.85837321338.911149.291241.693.1直線CD5.79700.01449250.9856120111241.691223.821232.733.7合計(jì)24.9115.9914.321.7鋼束編號(hào)M4分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)

23、力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.08300.00270750.9972961621341.061337.431339.250.7曲線BC4.8870.610865240.152716310.85837321339.251149.571242.003.1直線CD8.96100.02240250.9778465731242.001214.481228.195.6合計(jì)30.8419.6717.722.0鋼束編號(hào)M5分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平

24、均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.14300.00285750.9971465791341.061337.231339.150.8曲線BC4.8870.610865240.152716310.85837321339.151149.491241.903.1直線CD12.41100.03102750.9694489131241.901203.961222.837.8合計(jì)37.8624.0321.522.5鋼束編號(hào)M6分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(

25、Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.03000.0025750.9974283121341.061337.611339.330.7曲線BC4.8870.610865240.152716310.85837321339.331149.651242.083.1直線CD16.00400.040010.9607798311242.081193.361217.5610.0合計(jì)44.8228.3025.343.0鋼束編號(hào)M7分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(

26、cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB1.17900.00294750.997056841341.061337.111339.090.8曲線BC4.8870.610865240.152716310.85837321339.091149.441241.853.1直線CD19.38300.04845750.9526978281241.851183.111212.2412.0合計(jì)51.8832.6229.243.4鋼束編號(hào)M8分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸

27、長(zhǎng)量(cm)量差(cm)工作段0.491341.060.3直線AB3.38500.00846250.9915732061341.061329.761335.402.3曲線BC3.4910.436332310.109083080.8966559221335.401197.401265.142.3直線CD22.00400.055010.9464756831265.141197.431230.9813.9合計(jì)58.7437.6234.33.3鋼束編號(hào)SB1單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)

28、量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB2.36700.00591750.9940999741341.061333.151337.101.62曲線BC1.0470.174532930.042760570.9581407731337.101281.131308.920.70直線CD1.09500.00273750.9972662441308.921305.341307.130.73曲線DE13.50.053407080.046023630.9550193971307.131248.331277.508.84曲線EF1.40.227940.0558454

29、50.945685281277.501208.121242.490.87直線FG1.64100.00410250.9959059041242.491237.401239.941.04工作段0.4900.0012250.998775751239.941238.421239.180.31小計(jì)21.9914.46工作段0.491341.060.34直線AB1.64100.00410250.9959059041341.061335.571338.311.13曲線BC1.36770.227940.055845450.945685281338.311265.621301.630.91曲線BC13.4960

30、.174532930.073882570.9287807521301.631208.931254.718.68直線CD1.09500.00273750.9972662441254.711251.281252.990.70曲線BC1.0470.087266460.022688790.9775666681252.991224.881238.880.67直線CD2.36700.00591750.9940999741238.881231.581235.231.50工作段0.4900.0012250.998775751235.231233.711234.470.31小計(jì)21.9914.24靠近梁端8.0

31、1遠(yuǎn)離梁端5.34設(shè)計(jì)值13.35A1.0014.35鋼束編號(hào)SB2單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB0.54000.001350.9986509111341.061339.251340.160.37曲線BC1.0470.174532930.042760570.9581407731340.161284.061311.910.70直線CD7.92600.0198150.9803800271311.911

32、286.171298.995.28曲線DE16.80.066689030.057456730.9441627461298.991226.461262.3810.91曲線EF1.40.241221960.05909930.9426131631262.381189.941225.800.91直線FG1.71700.00429250.99571671225.801220.551223.171.08工作段0.4900.0012250.998775751223.171221.681222.430.31小計(jì)30.5019.89工作段0.491341.060.34直線AB1.71700.00429250.9

33、9571671341.061335.321338.191.18曲線BC1.40.241221960.05909930.9426131631338.191261.391299.410.96曲線BC16.80.066689030.057456730.9441627461299.411226.861262.7910.91直線CD7.92600.0198150.9803800271262.791238.011250.365.08曲線BC1.0470.174532930.042760570.9581407731250.361198.021224.000.66直線CD0.54000.001350.9986

34、509111224.001222.351223.170.34工作段0.4900.0012250.998775751223.171221.681222.430.31小計(jì)30.5019.78靠近梁端11.11遠(yuǎn)離梁端7.43設(shè)計(jì)值18.54A1.2919.83鋼束編號(hào)SB3單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB1.85700.00464250.995368261341.061334.851337.951.27

35、曲線BC1.5710.261799390.064140860.9378728821337.951254.831295.951.04直線CD6.15400.0153850.9847327451295.951276.161286.034.06曲線DE20.20.080023350.068941120.9333816361286.031200.351242.7012.88曲線EF1.50.254556270.062366190.9395387721242.701167.561204.740.94直線FG1.78100.00445250.9955573981204.741199.391202.061.

36、10工作段0.4900.0012250.998775751202.061200.591201.330.30小計(jì)34.0821.94工作段0.491341.060.34直線AB1.78100.00445250.9955573981341.061335.101338.081.22曲線BC1.50.254556270.062366190.9395387721338.081257.181297.211.02曲線BC20.20.080023350.068941120.9333816361297.211210.791253.5012.99直線CD6.15400.0153850.9847327451253.

37、501234.361243.913.93曲線BC1.5710.261799390.064140860.9378728821243.911166.631204.860.97直線CD1.85700.00464250.995368261204.861199.271202.061.14工作段0.4900.0012250.998775751202.061200.591201.330.30小計(jì)34.0821.91靠近梁端10.91遠(yuǎn)離梁端9.63設(shè)計(jì)值20.54A1.3921.93鋼束編號(hào)SB4單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(

38、Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB1.85700.00464250.995368261341.061334.851337.951.27曲線BC1.5710.261799390.064140860.9378728821337.951254.831295.951.04直線CD6.51400.0162850.9838468841295.951275.011285.454.29曲線DE23.30.092240650.079467350.9236081761285.451187.251235.7014.77曲線EF1.6

39、0.266773580.065359420.9367307211235.701157.521196.180.98直線FG1.83300.00458250.9954279841196.181190.721193.451.12工作段0.4900.0012250.998775751193.451191.991192.720.30小計(jì)37.6624.12工作段0.491341.060.34直線AB1.83300.00458250.9954279841341.061334.931337.991.26曲線BC1.60.266773580.065359420.9367307211337.991253.341

40、295.201.06曲線BC23.30.092240650.079467350.9236081761295.201196.261245.0814.88直線CD6.51400.0162850.9838468841245.081224.971234.994.13曲線BC1.5710.261799390.064140860.9378728821234.991158.271196.220.96直線CD1.85700.00464250.995368261196.221190.681193.451.14工作段0.4900.0012250.998775751193.451191.991192.720.30小計(jì)37.6624.06靠近梁端11.85遠(yuǎn)離梁端10.59設(shè)計(jì)值22.44A1.6524.09鋼束編號(hào)SB5單端張拉，兩端推導(dǎo)求平均值分段編號(hào)長(zhǎng)度 (m)(rad)kx+e-(kx+)起點(diǎn)張拉應(yīng)力(Mpa)終點(diǎn)張拉應(yīng)力(Mpa)平均張拉應(yīng)力(Mpa)伸長(zhǎng)量(cm)設(shè)計(jì)伸長(zhǎng)量(cm)量差(cm)工作段0.491341.060.34直線AB0.54000.00