1、20m箱梁伸長量計算中跨CTcon=1860X0.75=1395(MPN=bconXAy=1395X140=195300=195.3(KN-IPL1一£-牌+俾）I線段L(m)0(rad)kx+詞g-Ckx+ufi)終點力AB6.384200.00957630.99047193.439BC2.87980.09599310.02831800.97208188.038CD0.53700.00080550.999195187.887=0.25k=0.0015CD:537BC:2879.8AB:6348AL=AyEgkL+1102、Ay-預應力肋的截面面積（mm）Eg-預應力筋的彈性模量（E

2、g取值為1.95x105N/mm2）L-從張拉端至計算截面的預應力筋長度0-從張拉端至計算截面曲線孔道部分切線的夾角之和（rad）e-孑L道每米局部偏差對摩擦的影響系數（k取值為0.0015）-預應力筋與孔道壁的摩擦系數（取值為0.25）AB:L1=45.01767204BC:L2=19.55681557CD:L3=3.693505128IL二(45.01767204+19.55681557+3.693505128)X2=136.5359855(mm)CD:2015BC:2879.8AB:4923.4=0.25k=0.0015線段L(m)0(rad)kx+袒g-Ckx+ufi)終點力AB4.9

3、23200.00738480.99264193.863BC2.87980.09599310.02831800.97208188.450CD2.01500.00302250.99698187.881AB：L1=34.86592675BC：L2=19.59828131CD：L3=13.86740714IL二(34.86592675+19.59828131+13.86740714)x2=136.6632304(mm)CD:7901BC:733AB:1065=0.25k=0.0015線段L(m)0(rad)kx+F&四）終點力AB1.066500.00159960.9984017194.988

4、BC0.7330.02443460.00720820.9928178193.588CD7.90100.01185150.9882185191.307AB：L1=7.611197676BC：L2=5.179053855CD：L3=55.03988817IL=(7.611197676+5.179053855+55.03988817)x2=135.6602794(mm)CTcon=1860X0.75=1395(MPN=bconXAy=1395X140=195300=195.3(KNN1(4根)：195.3X4=781.2(KN)N2(4根)：195.3X4=781.2(KN)N3(3根)：195.3

5、X3=585.9(KN)4束：15%117.18,30%:234.36,50%:390.63束：15%87.885,30%:175.77,50%:292.95邊跨CTcon=1860X0.75=1395(MPN=bconXAy=1395X140=195300=195.3(KNCD:537BC:2879.8AB:6348=0.25k=0.0015線段L(m)0(rad)AB4.80570BC2.87980.0959931CD2.1280kx+珂e-tkx+H0)終點力0.00720860.9928173193.8970.02831800.97208188.4830.0031920.9968131

6、187.882PL1一廠+歸)=AyEgkL+pfl2、Ay-預應力肋的截面面積（mm）Eg-預應力筋的彈性模量（Eg取值為1.95x105N/mm2）L-從張拉端至計算截面的預應力筋長度0-從張拉端至計算截面曲線孔道部分切線的夾角之和（rad）e-孑L道每米局部偏差對摩擦的影響系數（k取值為0.0015）-預應力筋與孔道壁的摩擦系數（取值為0.25）AB：L1=34.00962935BC：L2=19.60309761CD：L3=14.6217618IL二(34.00962935+19.60309761+14.6217618)x2=136.4689775(mm)CD:2015BC:2879.8

7、AB:4923.4=0.25k=0.0015線段L(m)0(rad)kx+泅終點力AB3.357200.00503580.99498194.320BC2.87980.09599310.02831800.97208188.895CD3.58200.0053730.99464187.883AB：L1=23.82140171BC：L2=19.64594751CD：L3=24.59225592IL二(23.82140171+19.64594751+24.59225592)x2=136.1192103(mm)CD:7901BC:733AB:1065=0.25k=0.0015線段L(m)0(rad)kx+

8、通e-tkx+H0)終點力AB1.016500.00152480.9984764195.000BC0.7330.02443460.00720820.9928178193.600CD8.00100.01200150.9880702191.290AB：L1=7.255000187BC：L2=5.179374891CD：L3=55.72775194IL=(7.255000187+5.179374891+55.72775194)x2=136.324254(mm)CTcon=1860X0.75=1395(MPN=bconXAy=1395X140=195300=195.3(KNN1(5根)：195.3X5

9、=976.5(KN)N2(4根)：195.3X4=781.2(KN)N3(4根)：195.3X4=781.2(KN)壓力表：750184,千斤頂：9081944束：15%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)3.15.999.8519.520.0rad讀作孤度。是一個角度的單位。1rad=180/兀也就是說兀孤