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1、20m箱梁伸長(zhǎng)量計(jì)算中跨con=18600.75=1395(MPa)N=conAy=1395140=195300=195.3(KN)CD:537 BC:2879.8 AB:6348 =0.25 k=0.0015線段L(m)(rad)kx+ QUOTE 終點(diǎn)力AB6.384200.00957630.99047193.439BC2.87980.09599310.02831800.97208188.038CD0.53700.00080550.999195187.887Ay-預(yù)應(yīng)力筋的截面面積(mm2)Eg-預(yù)應(yīng)力筋的彈性模量(Eg取值為1.95105 N/mm2)L-從張拉端至計(jì)算截面的預(yù)應(yīng)力筋長(zhǎng)度

2、-從張拉端至計(jì)算截面曲線孔道部分切線的夾角之和(rad)-孔道每米局部偏差對(duì)摩擦的影響系數(shù)(取值為0.0015)-預(yù)應(yīng)力筋與孔道壁的摩擦系數(shù)(取值為0.25)AB:L1= 45.01767204BC:L2= 19.55681557CD:L3= 3.693505128 QUOTE (45.01767204+19.55681557+ 3.693505128)2=136.5359855(mm)CD:2015 BC:2879.8 AB:4923.4 =0.25 k=0.0015線段L(m)(rad)kx+ QUOTE 終點(diǎn)力AB4.923200.00738480.99264193.863BC2.879

3、80.09599310.02831800.97208188.450CD2.01500.00302250.99698187.881AB:L1=34.86592675BC:L2=19.59828131CD:L3=13.86740714 QUOTE (34.86592675+19.59828131+13.86740714)2=136.6632304(mm)CD:7901 BC:733 AB:1065 =0.25 k=0.0015線段L(m)(rad)kx+ QUOTE 終點(diǎn)力AB1.066500.00159960.9984017194.988BC0.7330.02443460.00720820.99

4、28178193.588CD7.90100.01185150.9882185191.307AB:L1=7.611197676BC:L2=5.179053855 QUOTE CD:L3=55.03988817 QUOTE =(7.611197676+5.179053855+55.03988817)2=135.6602794(mm)con=18600.75=1395(MPa)N=conAy=1395140=195300=195.3(KN)N1(4根):195.34=781.2(KN)N2(4根):195.34=781.2(KN)N3(3根):195.33=585.9(KN)4束:15%:117.1

5、8 , 30%:234.36 , 50%:390.63束:15%:87.885, 30%:175.77 , 50%:292.95邊跨con=18600.75=1395(MPa)N=conAy=1395140=195300=195.3(KN)CD:537 BC:2879.8 AB:6348 =0.25 k=0.0015線段L(m)(rad)kx+ QUOTE 終點(diǎn)力AB4.805700.00720860.9928173193.897BC2.87980.09599310.02831800.97208188.483CD2.12800.0031920.9968131187.882Ay-預(yù)應(yīng)力筋的截面面

6、積(mm2)Eg-預(yù)應(yīng)力筋的彈性模量(Eg取值為1.95105 N/mm2)L-從張拉端至計(jì)算截面的預(yù)應(yīng)力筋長(zhǎng)度-從張拉端至計(jì)算截面曲線孔道部分切線的夾角之和(rad)-孔道每米局部偏差對(duì)摩擦的影響系數(shù)(取值為0.0015)-預(yù)應(yīng)力筋與孔道壁的摩擦系數(shù)(取值為0.25)AB:L1= 34.00962935BC:L2= 19.60309761CD:L3= 14.6217618 QUOTE (34.00962935+19.60309761+ 14.6217618)2=136.4689775(mm)CD:2015 BC:2879.8 AB:4923.4 =0.25 k=0.0015線段L(m)(ra

7、d)kx+ QUOTE 終點(diǎn)力AB3.357200.00503580.99498194.320BC2.87980.09599310.02831800.97208188.895CD3.58200.0053730.99464187.883AB:L1=23.82140171BC:L2=19.64594751CD:L3=24.59225592 QUOTE (23.82140171+19.64594751+24.59225592)2=136.1192103(mm)CD:7901 BC:733 AB:1065 =0.25 k=0.0015線段L(m)(rad)kx+ QUOTE 終點(diǎn)力AB1.016500

8、.00152480.9984764195.000BC0.7330.02443460.00720820.9928178193.600CD8.00100.01200150.9880702191.290AB:L1=7.255000187BC:L2=5.179374891CD:L3=55.72775194 QUOTE =(7.255000187+5.179374891+55.72775194)2=136.324254(mm)con=18600.75=1395(MPa)N=conAy=1395140=195300=195.3(KN)N1(5根):195.35=976.5(KN)N2(4根):195.34

9、=781.2(KN)N3(4根):195.34=781.2(KN)5束:15%:146.48, 30%:292.95 , 50%:488.254束:15%:117.18 , 30%:234.36 , 50%:390.6壓力表:750231,千斤頂:9081894束:15%30%50%100%103%P(KN)117.18234.36390.6781.2F(Mpa)3.87.713.0026.226.93束:15%30%50%100%103%P(KN)87.885175.77292.95585.9F(Mpa)2.805.769.719.620.1壓力表:750184,千斤頂:9081944束:1

10、5%30%50%100%103%P(KN)117.18234.36390.6781.2F(Mpa)4.18.013.226.226.93束:15%30%50%100%103%P(KN)87.885175.77292.95585.9F(Mpa)3.16.110.0019.720.3壓力表:50227,千斤頂:9081974束:15%30%50%100%103%P(KN)117.18234.36390.6781.2F(Mpa)4.348.2313.4226.3827.163束:15%30%50%100%103%P(KN)87.885175.77292.95585.9F(Mpa)3.376.2810.1719.920.48壓力表:750183,千斤頂:9081914束:15%30%50%100%103%P(KN)117.18234.36390.6781.2F(Mpa)4.077.9213.025.926.73束:15%30%50%100%103%P(KN)87.885175.77292.95585.9F(Mpa)3.15.999.8519.520.0ra

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