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40米T梁张拉计算书

2022-05-21 来源:星星旅游
 40 米 T 梁 张 拉 计 算 书

40米T梁中跨N1钢束伸长量计算

钢绞线根数:n=7根 1、 张拉力计算

钢绞线强度:Ryb1860Mpa

钢绞线截面积:Ag(140140140)/3140mm2 钢绞线弹性模量:E(195195195)/3195Gpa

张拉力:NRyb0.75Agn18600.7514071367.1KN 系数:k0.0015、u0.25 2、 分段终点力计算

AB BC CD

3、 伸长量计算

x(m) 3.796 14.809 1.045 (rad) 0 0.1653 0 kxu 0.005694 0.063539 0.001568 e(kxu) 0.994322 0.938438 0.998434 终点力(KN) 1359.34 1275.65 1273.66 LABLBCLCD1367.13.79610.99430.0272m

71401950.005691359.3414.80910.93840.1021m

71401950.0635391275.71.04510.99840.0071m 71401950.00157L0.02720.10210.00710.1364m

N1钢束总伸长量:L20.13640.2728m 与设计伸长值差:27.28-27.50=-0.22cm

40米T梁中跨N2钢束伸长量计算

钢绞线根数:n=7根 1、 张拉力计算

钢绞线强度:Ryb1860Mpa

140140140140mm2

3194196198钢绞线弹性模量:E195Gpa

3钢绞线截面积:Ag张拉力:NRyb0.75Agn18600.7514071367.1KN 系数:k0.0015、u0.25 2、分段终点力计算

AB BC CD

3、伸长量计算

x(m) 4.701 10.966 3.983 (rad) 0 0.15731 0 kxu 0.0070515 0.055776 0.005975 e(kxu) 0.992973 0.945751 0.994043 终点力(KN) 1357.49 1283.85 1276.20 LABLBCLCD1367.14.70110.99300.03339m

71401950.007051357.510.96610.94580.07569m

71401950.055771283.93.98310.99390.02685m 71401950.00598L0.033390.075690.026850.1360m

N2钢束总伸长量:L20.13600.2720m 与设计伸长值差:27.20-27.30=-0.10cm

40米T梁中跨N3钢束伸长量计算

钢绞线根数:n=7根 1、 张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.7514071367.1KN 2、 分段终点力计算

AB BC CD DE EF 3、伸长量计算

x(m) 2.844 8.678 0.9145 0.9145 6.299 (rad) 0 0.17443 0.13102 0.13102 0 kxu 0.00427 0.05662 0.03413 0.03413 0.00945 e(kxu) 0.99574309 0.94494925 0.96644855 0.96644855 0.99059600 终点力(KN) 1361.28 1286.341 1243.182 1201.472 1190.173 LABLBCLCDLDELEF1367.12.84410.99570.0205m

71401950.004271361.288.67810.94500.0600m

71401950.056621286.340.914510.96640.0061m

71401950.034131243.180.914510.96640.0059m

71401950.034131201.476.29910.99060.0394m

71401950.00945L0.02050.06000.00610.00590.03940.1319

N3钢束总伸长量:L20.13190.2638m 与设计伸长值差:26.38-26.5=-0.12cm

40米T梁中跨N4钢束伸长量计算

钢绞线根数:n=7根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.7514071367.1KN 2、 分段终点力计算

AB BC CD DE EF FG 3、伸长量计算

x(m) 1.504 5.355 1 0.9145 0.9145 9.962 (rad) 0.0000 0.2159 0.0000 0.1310 0.1310 0.0000 kxu 0.00226 0.06200 0.00150 0.03413 0.03413 0.01494 e(kxu) 0.99774654 0.93988469 0.99850112 0.96644855 0.96644855 0.98516809 终点力(KN) 1364.02 1282.02 1280.10 1237.15 1195.64 1177.91 LABLBCLCDLDELEFLEF1367.11.50410.99770.0109m

71401950.002261364.025.35510.939880.0371m

71401950.062001282.021.010.99850.0067m 71401950.001501280.10.914510.96640.0060m

71401950.034131237.150.914510.96640.0058m

71401950.034131195.649.96210.98520.0617m

71401950.01494L0.01090.03710.00670.00600.00580.06170.1282m

总伸长量:20.12820.2564m 与设计伸长值差:25.64-25.80=-0.16cm

40米T梁边跨N1钢束伸长量计算

钢绞线根数:n=9根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.7514091757.7KN 2、分段终点力计算

AB BC CD

3、伸长量计算

x(m) (rad) 4.868 0 kxu 0.00730 0.05414 0.00506 e(kxu) 0.99272459 0.94730415 0.99495776 终点力(KN) 1744.91 1652.96 1644.63 FE ED x(m) (rad) 3.796 14.809 0 0.1653 kxu 0.00569 0.06354 e(kxu) 0.99432218 0.938437957 终点力(KN) 1747.72 1640.13 12.627 0.140778 3.37 0 1757.74.86810.99270.03483m

91401950.007301744.9112.62710.9473LBC0.08729m

91401950.054141652.963.3710.9950LCD0.0224m

91401950.005061757.73.79610.9943LFE0.0272m

91401950.005691747.7214.80910.9384LED0.1021m

91401950.06354LAB总伸长量: L0.03483+0.08729+0.0224+0.0272+0.1021=0.2738m 与设计伸长值差:27.38-27.50=-0.12cm

40米T梁边跨N2钢束伸长量计算

钢绞线根数:n=9根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.7514091757.7KN 2、分段终点力计算 AB BC CD x(m) (rad) 4.325 9.697 7.231 0 0.138981 0 kxu 0.00649 0.04929 0.01085 e(kxu) 0.99353350 0.95190443 0.98921211 终点力(KN) 1746.33 1662.34 1644.41 GF FE ED x(m) (rad) 4.701 0 kxu 0.00705 0.05578 0.00383 e(kxu) 0.9929733 0.94575131 0.99618231 终点力(KN) 1745.35 1650.67 1644.36 10.966 0.157307 2.55 0 3、伸长量计算

1757.74.32510.99350.03099m

91401950.006491746.339.69710.95190LBC0.06791m

91401950.049291662.347.23110.9892LCD0.04869m

91401950.010851757.74.70110.9930LGF0.03340m

91401950.007051745.3510.96610.9458LFE0.07570m

91401950.055781650.672.5510.9962LED0.01700m

91401950.00383LAB总伸长量: L0.03099+0.06791+0.04869+0.03340+0.07570+0.01700=0.2737m 与设计伸长值差:27.37-27.40=-0.03cm

40米T梁边跨N3钢束伸长量计算

钢绞线根数:n=9根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.7514091757.7KN 2、分段终点力计算

AB BC CD DE EF

3、伸长量计算

x(m) (rad) 2.627 7.082 0 0.142122 kxu 0.003941 0.046154 0.034127 0.034127 0.016322 e(kxu) 0.99606725 0.95489534 0.96644855 0.96644855 0.98381097 终点力(KN) 1750.79 1671.82 1615.73 1561.52 1536.24 KJ JI IH HG GF x(m) (rad) 2.844 8.678 0.9145 0.9145 3.7 0 0.17443 0.13102 0.13102 0 kxu 0.004266 0.056624 0.034127 0.034127 0.005550 e(kxu) 0.99574309 0.94494925 0.96644855 0.96644855 0.99446537 终点力(KN) 1750.22 1653.87 1598.38 1544.75 1536.20 0.9145 0.131022 0.9145 0.131022 10.881 0 1757.72.62710.996070.01860m

91401950.003941750.797.08210.95490LBC0.04932m

91401950.046151671.820.914510.96645LCD0.00612m

91401950.0034131615.730.914510.96645LDE0.00591m

91401950.0034131561.5210.88110.98381LEF0.06859m

91401950.0163221757.72.84410.99574LKJ0.02032m

91401950.0042661750.228.67810.94495LJI0.06010m

91401950.0566241653.870.914510.96645LIH0.00605m

91401950.0034131598.380.914510.96645LHG0.00585m

91401950.0034131544.753.710.99446LGF0.02322m

91401950.00555LAB总伸长量: L0.01860+0.04932+0.00612+0.00591+0.06859++0.02032+0.06010+0.00605+0.00585+0.02322=0.2641m 与设计伸长值差:26.41-26.50=-0.09cm

40米T梁边跨N4钢束伸长量计算

钢绞线根数:n=9根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.7514091757.7KN 2、分段终点力计算

AB BC CD DE EF FG x(m) (rad) 2.719 2.872 0.30 0 0.115157 0 kxu 0.004079 0.033097 0.000450 0.034127 0.034127 0.030618 e(kxu) 0.99592981 0.96744451 0.99955010 0.96644855 0.96644855 0.96984598 终点力(KN) 1750.55 1693.56 1692.79 1636.00 1581.11 1533.43 ML LK KJ JI IH HG x(m) (rad) 1.504 5.355 1.00 0 0.215862 0.00 kxu 0.0022560 0.0619981 0.0015000 0.0341272 0.0341272 0.0024750 e(kxu) 0.99774654 0.93988469 0.99850112 0.96644855 0.96644855 0.99752806 终点力(KN) 1753.74 1648.31 1645.84 1590.62 1537.25 1533.45 0.9145 0.131022 0.9145 0.131022 20.412 0 0.9145 0.131022 0.9145 0.131022 1.650 0 3、伸长量计算

1757.72.71910.995930.01941m

91401950.004081750.552.87210.96744LBC0.02013m

91401950.033101693.560.310.99955LCD0.00207m

91401950.0004501692.790.914510.96645LDE0.00619m

91401950.0034131636.000.914510.96645LEF0.00599m

91401950.0034131581.1120.41210.96985LFG0.12936m

91401950.0306181757.71.50410.99775LML0.01075m

91401950.0022561753.745.35510.93988LLK0.03706m

91401950.062001648.31110.99850LKJ0.00670m

91401950.00151645.840.914510.96645LJI0.00602m

91401950.034131590.620.914510.96645LIH0.00582m

91401950.0034131537.251.65010.99753LHG0.01031m

91401950.002475LAB总伸长量: L0.01941+0.02013+0.00207+0.00619+0.00599+0.12936+0.01075+0.03706+0.00670+0.00602+0.00582+0.01031=0.2598m 与设计伸长值差:25.98-26.00=-0.02cm

40米T梁连续钢束伸长量计算

钢绞线根数:n=5根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力:NRyb0.75Agn18600.751405976.5KN 2、分段终点力计

钢束 N2钢束 分段 AB AB BC N1钢束 CD DE N3钢束 AB x(m) 8.00 0.3276 0.7737 (rad) 0 0 0.096866 0.096866 kxu 0.0120 0.0004914 0.0253770 0.0253770 0.0136875 0.021000 e(kxu) 0.9880717 0.9995087 0.9749423 0.9749423 0.9864057 0.979219 终点力(KN) 964.85 976.02 951.56 927.72 915.11 956.21 0.7737 9.125 14 0 0 3、伸长量计算

976.5810.98807170.1138m

51401950.0120976.50.327610.999509N1钢束:LAB0.00234m

51401950.0004914976.020.773710.974942LBC0.00546m

51401950.025377951.560.773710.9749420.00533m LCD51401950.025377927.729.12510.9864060.06159m LCD51401950.013688N2钢束 L=2LAB2LCDLCD0.00234+0.00546+0.00533+0.061592=0.1494mmm

N3钢束 L=2LAB2976.51410.9792190.1982m

51401950.0210与设计伸长值差 N2:11.38-11.4=-0.02cm N1:4.94-15.0=-0.06cm N3:19.82-19.8=0.02cm

20米空心板梁钢束伸长量计算

钢绞线根数:n=7根 1、张拉力计算

钢绞线强度:Ryb1860Mpa 系数:k0.0015、u0.25 钢绞线截面积:Ag140mm2 钢绞线弹性模量:E195Gpa 张拉力: NRyb0.7Agn18600.714071276.0KN 2、分段终点力计

钢束 分段 AB x(m) 1.0752 2.4188 6.306 (rad) 0 0.2443 0 0 0.043633 0 kxu 0.0016128 0.0647032 0.009459 0.00090885 0.01286971 0.01182825 e(kxu) 0.99838850 0.93734563 0.99058560 0.99909156 0.98721275 0.98824143 终点力(KN) 1273.94 1194.13 1182.88 1274.84 1258.54 1243.74 N2钢束 BC CD AB 0.6059 1.3086 7.8855 N1钢束 BC CD

根据以下公式计算得

LΔL=0Pe(kx)PL1e(kx)AyEgAyEgkxN2钢束伸长量 △L=2×(0.00717+0.01564+0.03922)=0.06203×2=12.41mm N1钢束伸长量 △L=2×(0.00404+0.00868+0.05163)=0.06435×2=12.87mm

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