某三跨30m+40m+30m連續(xù)梁高速公路橋應(yīng)力驗(yàn)算計(jì)算案例1.1持久狀況構(gòu)件應(yīng)力驗(yàn)算1.1.1正截面混凝土法向應(yīng)力驗(yàn)算kc+pt≤0.圖8-1標(biāo)準(zhǔn)組合截面頂緣、底緣壓應(yīng)力圖（單位：MPa）表8-1標(biāo)準(zhǔn)組合截面頂緣、底緣壓應(yīng)力表截面位置x(m)頂緣底緣應(yīng)力值(MPa)容許值(MPa)是否滿足應(yīng)力值(MPa)容許值(MPa)是否滿足支座0號(hào)位0.510.6916.20是6.4516.20是左邊跨1/83.7510.5016.20是6.8916.20是左邊跨1/47.511.1816.20是6.3016.20是左邊跨3/811.2511.7816.20是5.6616.20是左邊跨1/21511.6616.20是5.8416.20是左邊跨5/818.7511.4016.20是5.9916.20是左邊跨3/422.512.7216.20是4.2316.20是左邊跨7/826.2513.4716.20是11.6416.20是支座1號(hào)位3011.6416.20是5.1516.20是中跨1/83513.0316.20是3.4816.20是中跨1/44011.3516.20是5.8216.20是中跨3/84511.7916.20是6.1816.20是中跨1/25012.4316.20是6.3716.20是1.1.2斜截面混凝土主壓應(yīng)力驗(yàn)算cp≤0.6fck（8-圖8-2標(biāo)準(zhǔn)組合主壓應(yīng)力圖（單位：MPa）表8-2標(biāo)準(zhǔn)組合主壓應(yīng)力數(shù)據(jù)表截面位置x(m)截面頂部應(yīng)力值(MPa)容許值(MPa)是否滿足支座0號(hào)位0.57.0519.44是左邊跨1/83.755.9919.44是左邊跨1/47.55.7319.44是左邊跨3/811.255.3819.44是左邊跨1/2155.3819.44是左邊跨5/818.755.3319.44是左邊跨3/422.55.2019.44是左邊跨7/826.255.3019.44是支座1號(hào)位305.0719.44是中跨1/8354.9119.44是中跨1/4405.1219.44是中跨3/8455.4819.44是中跨1/2505.7619.44是1.1.3正截面受拉區(qū)鋼束應(yīng)力pe+p≤0.65f表8-3運(yùn)營(yíng)階段鋼束拉應(yīng)力驗(yàn)算表格鋼束號(hào)鋼束應(yīng)力(MPa)容許值(MPa)是否滿足上部結(jié)構(gòu)#SW1-1171.38-1209.00是上部結(jié)構(gòu)#SW1-1-1171.38-1209.00是上部結(jié)構(gòu)#SW1-2-1166.31-1209.00是上部結(jié)構(gòu)#SW1-3-1169.44-1209.00是上部結(jié)構(gòu)#SW1-4-1169.44-1209.00是上部結(jié)構(gòu)#SW1-5-1166.31-1209.00是上部結(jié)構(gòu)#SW2-1184.58-1209.00是上部結(jié)構(gòu)#SW2-1-1204.92-1209.00是上部結(jié)構(gòu)#SW2-2-1183.22-1209.00是上部結(jié)構(gòu)#SW2-3-1183.22-1209.00是上部結(jié)構(gòu)#SW2-4-1180.70-1209.00是上部結(jié)構(gòu)#SW2-5-1180.70-1209.00是上部結(jié)構(gòu)#SW3-1196.36-1209.00是上部結(jié)構(gòu)#SW3-1-1196.36-1209.00是上部結(jié)構(gòu)#SW3-2-1195.09-1209.00是上部結(jié)構(gòu)#SW3-3-1192.21-1209.00是上部結(jié)構(gòu)#SW3-4-1195.09-1209.00是上部結(jié)構(gòu)#SW3-5-1195.09-1209.00是上部結(jié)構(gòu)#SW4-1199.54-1209.00是上部結(jié)構(gòu)#SW4-1-1196.72-1209.00是上部結(jié)構(gòu)#SW4-2-1199.54-1209.00是上部結(jié)構(gòu)#SW4-3-1191.57-1209.00是上部結(jié)構(gòu)#SW4-4-1196.72-1209.00是上部結(jié)構(gòu)#SW4-5-1191.57-1209.00是1.2短暫狀況構(gòu)件應(yīng)力驗(yàn)算cct≤0.70fck‘（圖8-3施工階段單元截面的施工組合最大應(yīng)力圖表8-3施工階段單元截面的施工組合最大應(yīng)力表截面位置x(m)上緣最大下緣最大通過情況設(shè)計(jì)值設(shè)計(jì)值容許值是否通過支座0號(hào)位0.5-0.01022.68是左邊跨1/83.751.00-1.2322.68是左邊跨1/47.51.73-2.0222.68是左邊跨3/811.251.98-2.2222.68是左邊跨1/2151.74-1.8922.68是左邊跨5/818.750.99-1.0522.68是左邊跨3/422.5-0.280.2822.68是左邊跨7/826.25-2.112.0822.68是支座1號(hào)位30-