清溪河大橋及連接道工程 清溪河大橋結(jié)構(gòu)計算書

清溪河大橋及連接道工程清溪河大橋結(jié)構(gòu)計算書目錄一、橋梁概況: 2二、箱梁整體計算: 21計算依據(jù)與基礎(chǔ)資料 22承載能力極限狀態(tài)基本組合正截面強度驗算 43抗裂驗算 184持久狀況應(yīng)力驗算 395鋼束應(yīng)力驗算 536 支座反力 54三、端橫梁檢算 541概況 542結(jié)構(gòu)離散圖 543承載能力極限狀態(tài)基本組合正截面強度驗算 554裂縫驗算 57四、中橫梁檢算 581概況 582結(jié)構(gòu)離散圖 583承載能力極限狀態(tài)基本組合正截面強度驗算 584裂縫驗算 60五、橋墩計算 61六、帽梁計算 64七、承臺檢算 68八、樁基計算 712、P3橋墩左側(cè)樁基 713、P6橋墩右側(cè)樁基 71七、橋臺計算 721、ZA0橋臺 722、YA0橋臺 773、ZA7橋臺 833、YA7橋臺 88一、橋梁概況:清溪河大橋上部結(jié)構(gòu)采用7×40m預(yù)應(yīng)力連續(xù)剛構(gòu)箱梁,下部結(jié)構(gòu)：橋臺采用重力式橋臺，擴大基礎(chǔ)和樁基礎(chǔ)，橋墩采用矩形墩，樁基礎(chǔ)。橋梁總體布置見下圖：二、箱梁整體計算:1計算依據(jù)與基礎(chǔ)資料1.1標準及規(guī)范1.1.1標準跨徑：橋梁跨徑為7×40m設(shè)計荷載：汽車荷載：公路－Ⅰ級，人群荷載：3.5kN/m2半幅橋面寬度：半幅橋面寬B=16.8m5m(人行道)+(11.5)m(行車道)+0.3m(防撞護欄)橋梁安全等級：一級1.1.2規(guī)范1、《公路工程技術(shù)標準》JTGB01-20032、《公路橋梁設(shè)計通用規(guī)范》JTGD60-20043、《公路圬工橋涵設(shè)計規(guī)范》JTGD61-20054、《公路鋼筋混凝土及預(yù)應(yīng)力混凝土橋涵設(shè)計規(guī)范》JTGD62-20045、《公路橋涵地基與基礎(chǔ)設(shè)計規(guī)范》JTGD63-20076、《公路橋梁抗震設(shè)計細則》JTG/TB02-01-20087、《公路橋涵施工技術(shù)規(guī)范》JTJ041-20001.1.3計算軟件本橋采用橋梁博士3.0進行計算。1.2主要材料3）主要材料及設(shè)計參數(shù)根據(jù)設(shè)計文件及規(guī)范取值，見表1.2-1。預(yù)應(yīng)力鋼筋按規(guī)范中提供的鋼絞線參數(shù)確定。材料項目參數(shù)備注混凝土抗壓設(shè)計強度fcd(Mpa)22.4抗拉設(shè)計強度ftd(Mpa)1.83彈性模量Ec(Mpa)34500混凝土特性計算材料容重(t/m3)2.6線膨脹系數(shù)α1.0E-5橋梁所處地區(qū)相對濕度0.8低松弛鋼絞線標準強度fpk(Mpa)1860控制張拉應(yīng)力(Mpa)1339.2彈性模量(Mpa)195000松弛系數(shù)0.3錨具及波紋管鋼束管道摩阻系數(shù)0.17鋼束管道偏差系數(shù)0.0015單端錨具變形及回縮值(m)0.006其他參數(shù)橋梁所處地區(qū)相對濕度0.8體系整體升溫20整體降溫20梯度溫度T1T1=14℃，T2=梯度溫度T2T1=-7.0℃，T2=結(jié)構(gòu)離散圖2承載能力極限狀態(tài)基本組合正截面強度驗算下圖中藍、紅色分別代表最大彎矩、最小彎矩圖1-1彎矩包絡(luò)圖下圖中紅、藍色分別代表最大抗力、最大抗力對應(yīng)內(nèi)力圖1-2最大抗力包絡(luò)及對應(yīng)內(nèi)力圖下圖中紅、藍色分別代表最小抗力、最小抗力對應(yīng)內(nèi)力圖1-3最小抗力包絡(luò)及對應(yīng)內(nèi)力圖表1單元號節(jié)點號內(nèi)力屬性Mj極限抗力受力類型受壓區(qū)高度強度是否滿足(KNorKN.m)(KNorKN.m)是否滿足11最大彎矩01.78E+03下拉受彎是是最小彎矩01.78E+03下拉受彎是是2最大彎矩-131-7.44E+04上拉受彎是是最小彎矩-1.15E+03-7.44E+04上拉受彎是是22最大彎矩-131-7.44E+04上拉受彎是是最小彎矩-1.15E+03-7.44E+04上拉受彎是是3最大彎矩9.41E+037.38E+04下拉受彎是是最小彎矩4.76E+037.38E+04下拉受彎是是33最大彎矩9.41E+037.38E+04下拉受彎是是最小彎矩4.76E+037.38E+04下拉受彎是是4最大彎矩3.60E+048.85E+04下拉受彎是是最小彎矩2.10E+048.85E+04下拉受彎是是44最大彎矩3.60E+048.85E+04下拉受彎是是最小彎矩2.10E+048.85E+04下拉受彎是是5最大彎矩5.81E+041.03E+05下拉受彎是是最小彎矩3.43E+041.03E+05下拉受彎是是55最大彎矩5.81E+041.03E+05下拉受彎是是最小彎矩3.43E+041.03E+05下拉受彎是是6最大彎矩6.93E+041.10E+05下拉受彎是是最小彎矩4.07E+041.10E+05下拉受彎是是66最大彎矩6.93E+041.10E+05下拉受彎是是最小彎矩4.07E+041.10E+05下拉受彎是是7最大彎矩8.22E+041.18E+05下拉受彎是是最小彎矩4.80E+041.18E+05下拉受彎是是77最大彎矩8.22E+041.18E+05下拉受彎是是最小彎矩4.80E+041.18E+05下拉受彎是是8最大彎矩9.27E+041.23E+05下拉受彎是是最小彎矩5.36E+041.23E+05下拉受彎是是88最大彎矩9.27E+041.23E+05下拉受彎是是最小彎矩5.36E+041.23E+05下拉受彎是是9最大彎矩1.00E+051.28E+05下拉受彎是是最小彎矩5.77E+041.28E+05下拉受彎是是99最大彎矩1.00E+051.28E+05下拉受彎是是最小彎矩5.77E+041.28E+05下拉受彎是是10最大彎矩1.06E+051.31E+05下拉受彎是是最小彎矩6.01E+041.31E+05下拉受彎是是1010最大彎矩1.06E+051.31E+05下拉受彎是是最小彎矩6.01E+041.31E+05下拉受彎是是11最大彎矩1.09E+051.32E+05下拉受彎是是最小彎矩6.09E+041.32E+05下拉受彎是是1111最大彎矩1.09E+051.32E+05下拉受彎是是最小彎矩6.09E+041.32E+05下拉受彎是是12最大彎矩1.09E+051.32E+05下拉受彎是是最小彎矩6.00E+041.32E+05下拉受彎是是1212最大彎矩1.09E+051.32E+05下拉受彎是是最小彎矩6.00E+041.32E+05下拉受彎是是13最大彎矩1.07E+051.31E+05下拉受彎是是最小彎矩5.76E+041.31E+05下拉受彎是是1313最大彎矩1.07E+051.31E+05下拉受彎是是最小彎矩5.76E+041.31E+05下拉受彎是是14最大彎矩1.03E+051.27E+05下拉受彎是是最小彎矩5.35E+041.27E+05下拉受彎是是1414最大彎矩1.03E+051.27E+05下拉受彎是是最小彎矩5.35E+041.27E+05下拉受彎是是15最大彎矩9.62E+041.21E+05下拉受彎是是最小彎矩4.77E+041.21E+05下拉受彎是是1515最大彎矩9.62E+041.21E+05下拉受彎是是最小彎矩4.77E+041.21E+05下拉受彎是是16最大彎矩8.74E+041.14E+05下拉受彎是是最小彎矩4.04E+041.14E+05下拉受彎是是1616最大彎矩8.74E+041.14E+05下拉受彎是是最小彎矩4.04E+041.14E+05下拉受彎是是17最大彎矩7.57E+041.04E+05下拉受彎是是最小彎矩3.14E+041.04E+05下拉受彎是是1717最大彎矩7.57E+041.04E+05下拉受彎是是最小彎矩3.14E+041.04E+05下拉受彎是是18最大彎矩6.22E+048.92E+04下拉受彎是是最小彎矩2.08E+048.92E+04下拉受彎是是1818最大彎矩6.22E+048.92E+04下拉受彎是是最小彎矩2.08E+048.92E+04下拉受彎是是19最大彎矩4.93E+047.78E+04下拉受彎是是最小彎矩9.79E+037.78E+04下拉受彎是是1919最大彎矩4.93E+047.78E+04下拉受彎是是最小彎矩9.79E+037.78E+04下拉受彎是是20最大彎矩3.13E+046.37E+04下拉受彎是是最小彎矩-1.21E+04-9.52E+04上拉受彎是是2020最大彎矩3.13E+046.37E+04下拉受彎是是最小彎矩-1.21E+04-9.52E+04上拉受彎是是21最大彎矩1.18E+045.59E+04下拉受彎是是最小彎矩-3.99E+04-1.02E+05上拉受彎是是2121最大彎矩1.18E+045.59E+04下拉受彎是是最小彎矩-3.99E+04-1.02E+05上拉受彎是是22最大彎矩1.65E+035.58E+04下拉受彎是是最小彎矩-5.62E+04-1.02E+05上拉受彎是是2222最大彎矩1.65E+035.58E+04下拉受彎是是最小彎矩-5.62E+04-1.02E+05上拉受彎是是23最大彎矩1.16E+045.59E+04下拉受彎是是最小彎矩-4.11E+04-1.02E+05上拉受彎是是2323最大彎矩1.16E+045.59E+04下拉受彎是是最小彎矩-4.11E+04-1.02E+05上拉受彎是是24最大彎矩3.12E+046.37E+04下拉受彎是是最小彎矩-1.45E+04-9.51E+04上拉受彎是是2424最大彎矩3.12E+046.37E+04下拉受彎是是最小彎矩-1.45E+04-9.51E+04上拉受彎是是25最大彎矩4.85E+047.78E+04下拉受彎是是最小彎矩7.14E+037.78E+04下拉受彎是是2525最大彎矩4.85E+047.78E+04下拉受彎是是最小彎矩7.14E+037.78E+04下拉受彎是是26最大彎矩5.39E+041.44E+05下拉受彎是是最小彎矩1.19E+041.44E+05下拉受彎是是2626最大彎矩5.39E+041.44E+05下拉受彎是是最小彎矩1.19E+041.44E+05下拉受彎是是27最大彎矩7.04E+041.00E+05下拉受彎是是最小彎矩2.52E+041.00E+05下拉受彎是是2727最大彎矩7.04E+041.00E+05下拉受彎是是最小彎矩2.52E+041.00E+05下拉受彎是是28最大彎矩8.36E+041.14E+05下拉受彎是是最小彎矩3.52E+041.14E+05下拉受彎是是2828最大彎矩8.36E+041.14E+05下拉受彎是是最小彎矩3.52E+041.14E+05下拉受彎是是29最大彎矩9.11E+041.21E+05下拉受彎是是最小彎矩4.13E+041.21E+05下拉受彎是是2929最大彎矩9.11E+041.21E+05下拉受彎是是最小彎矩4.13E+041.21E+05下拉受彎是是30最大彎矩9.70E+041.27E+05下拉受彎是是最小彎矩4.56E+041.27E+05下拉受彎是是3030最大彎矩9.70E+041.27E+05下拉受彎是是最小彎矩4.56E+041.27E+05下拉受彎是是31最大彎矩1.00E+051.31E+05下拉受彎是是最小彎矩4.81E+041.31E+05下拉受彎是是3131最大彎矩1.00E+051.31E+05下拉受彎是是最小彎矩4.81E+041.31E+05下拉受彎是是32最大彎矩1.01E+051.32E+05下拉受彎是是最小彎矩4.90E+041.32E+05下拉受彎是是3232最大彎矩1.01E+051.32E+05下拉受彎是是最小彎矩4.90E+041.32E+05下拉受彎是是33最大彎矩9.94E+041.31E+05下拉受彎是是最小彎矩4.83E+041.31E+05下拉受彎是是3333最大彎矩9.94E+041.31E+05下拉受彎是是最小彎矩4.83E+041.31E+05下拉受彎是是34最大彎矩9.60E+041.27E+05下拉受彎是是最小彎矩4.51E+041.27E+05下拉受彎是是3434最大彎矩9.60E+041.27E+05下拉受彎是是最小彎矩4.51E+041.27E+05下拉受彎是是35最大彎矩8.98E+041.21E+05下拉受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E+04上拉受彎是是124124最大彎矩3.67E+046.37E+04下拉受彎是是最小彎矩-1.04E+04-9.52E+04上拉受彎是是125最大彎矩5.36E+047.78E+04下拉受彎是是最小彎矩1.22E+047.78E+04下拉受彎是是125125最大彎矩5.37E+047.78E+04下拉受彎是是最小彎矩1.22E+047.78E+04下拉受彎是是126最大彎矩5.89E+041.44E+05下拉受彎是是最小彎矩1.77E+041.44E+05下拉受彎是是126126最大彎矩5.73E+041.44E+05下拉受彎是是最小彎矩1.63E+041.44E+05下拉受彎是是127最大彎矩7.49E+041.00E+05下拉受彎是是最小彎矩3.05E+041.00E+05下拉受彎是是127127最大彎矩7.49E+041.00E+05下拉受彎是是最小彎矩3.05E+041.00E+05下拉受彎是是128最大彎矩8.93E+041.14E+05下拉受彎是是最小彎矩4.17E+041.14E+05下拉受彎是是128128最大彎矩8.93E+041.14E+05下拉受彎是是最小彎矩4.17E+041.14E+05下拉受彎是是129最大彎矩9.78E+041.21E+05下拉受彎是是最小彎矩4.88E+041.21E+05下拉受彎是是129129最大彎矩9.78E+041.21E+05下拉受彎是是最小彎矩4.88E+041.21E+05下拉受彎是是130最大彎矩1.05E+051.27E+05下拉受彎是是最小彎矩5.44E+041.27E+05下拉受彎是是130130最大彎矩1.05E+051.27E+05下拉受彎是是最小彎矩5.44E+041.27E+05下拉受彎是是131最大彎矩1.08E+051.31E+05下拉受彎是是最小彎矩5.84E+041.31E+05下拉受彎是是131131最大彎矩1.08E+051.31E+05下拉受彎是是最小彎矩5.84E+041.31E+05下拉受彎是是132最大彎矩1.10E+051.32E+05下拉受彎是是最小彎矩6.07E+041.32E+05下拉受彎是是132132最大彎矩1.10E+051.32E+05下拉受彎是是最小彎矩6.07E+041.32E+05下拉受彎是是133最大彎矩1.10E+051.32E+05下拉受彎是是最小彎矩6.14E+041.32E+05下拉受彎是是133133最大彎矩1.10E+051.32E+05下拉受彎是是最小彎矩6.14E+041.32E+05下拉受彎是是134最大彎矩1.07E+051.31E+05下拉受彎是是最小彎矩6.05E+041.31E+05下拉受彎是是134134最大彎矩1.07E+051.31E+05下拉受彎是是最小彎矩6.05E+041.31E+05下拉受彎是是135最大彎矩1.01E+051.28E+05下拉受彎是是最小彎矩5.80E+041.28E+05下拉受彎是是135135最大彎矩1.01E+051.28E+05下拉受彎是是最小彎矩5.80E+041.28E+05下拉受彎是是136最大彎矩9.30E+041.23E+05下拉受彎是是最小彎矩5.38E+041.23E+05下拉受彎是是136136最大彎矩9.31E+041.23E+05下拉受彎是是最小彎矩5.38E+041.23E+05下拉受彎是是137最大彎矩8.23E+041.18E+05下拉受彎是是最小彎矩4.81E+041.18E+05下拉受彎是是137137最大彎矩8.23E+041.18E+05下拉受彎是是最小彎矩4.81E+041.18E+05下拉受彎是是138最大彎矩6.93E+041.10E+05下拉受彎是是最小彎矩4.07E+041.10E+05下拉受彎是是138138最大彎矩6.93E+041.10E+05下拉受彎是是最小彎矩4.07E+041.10E+05下拉受彎是是139最大彎矩5.80E+041.03E+05下拉受彎是是最小彎矩3.41E+041.03E+05下拉受彎是是139139最大彎矩5.80E+041.03E+05下拉受彎是是最小彎矩3.41E+041.03E+05下拉受彎是是140最大彎矩3.57E+048.85E+04下拉受彎是是最小彎矩2.07E+048.85E+04下拉受彎是是140140最大彎矩3.57E+048.85E+04下拉受彎是是最小彎矩2.07E+048.85E+04下拉受彎是是141最大彎矩8.87E+037.38E+04下拉受彎是是最小彎矩4.30E+037.38E+04下拉受彎是是141141最大彎矩8.87E+037.38E+04下拉受彎是是最小彎矩4.30E+037.38E+04下拉受彎是是142最大彎矩-637-7.44E+04上拉受彎是是最小彎矩-1.76E+03-7.44E+04上拉受彎是是142142最大彎矩-637-7.44E+04上拉受彎是是最小彎矩-1.76E+03-7.44E+04上拉受彎是是143最大彎矩-506-952上拉受彎是是最小彎矩-607-952上拉受彎是是3抗裂驗算1)正截面抗裂驗算本節(jié)按照正常使用極限狀態(tài)的要求，采用作用的短期效應(yīng)組合和短期效應(yīng)組合并考慮長期效應(yīng)組合的影響按部分A類預(yù)應(yīng)力構(gòu)件進行抗裂和撓度驗算。1)按照正常使用極限狀態(tài)的規(guī)范強制性要求，對于A類預(yù)應(yīng)力混凝土受彎構(gòu)件，在作用短期組合下，拉應(yīng)力應(yīng)小于0.7Ftk=-1.85MPa，《公橋規(guī)》公式（6.3.1-3）。主梁上下緣最小正應(yīng)力(短期組合抗裂驗算)表2-1單元號節(jié)點號上緣最小正應(yīng)力下緣最小正應(yīng)力容許最小正應(yīng)力上緣是否滿足下緣是否滿足(MPa)(MPa)(MPa)11-1.37-0.215-1.85是是22.045.62-1.85是是222.045.62-1.85是是32.135.14-1.85是是332.135.14-1.85是是42.755.29-1.85是是442.755.29-1.85是是53.36.48-1.85是是553.36.48-1.85是是63.365.85-1.85是是663.365.85-1.85是是73.365.44-1.85是是773.365.44-1.85是是83.414.96-1.85是是883.414.96-1.85是是93.414.64-1.85是是993.414.64-1.85是是103.394.31-1.85是是10103.394.31-1.85是是113.384.08-1.85是是11113.384.08-1.85是是123.293.97-1.85是是12123.293.97-1.85是是133.134.12-1.85是是13133.134.12-1.85是是143.054.14-1.85是是14143.054.14-1.85是是153.034.13-1.85是是15153.034.13-1.85是是162.994.2-1.85是是16162.994.2-1.85是是173.113.93-1.85是是17173.113.93-1.85是是183.193.71-1.85是是18183.193.71-1.85是是194.513.07-1.85是是19194.513.07-1.85是是203.651.87-1.85是是20203.651.87-1.85是是211.92.67-1.85是是21211.92.67-1.85是是220.7624.01-1.85是是22220.7624.01-1.85是是231.822.68-1.85是是23231.822.68-1.85是是243.211.48-1.85是是24243.211.48-1.85是是253.581.92-1.85是是25253.581.92-1.85是是263.662.12-1.85是是26262.442.09-1.85是是272.533.24-1.85是是27272.533.24-1.85是是282.574.41-1.85是是28282.574.41-1.85是是292.524.62-1.85是是29292.524.62-1.85是是302.44.88-1.85是是30302.44.88-1.85是是312.315.07-1.85是是31312.315.07-1.85是是322.295.14-1.85是是32322.295.14-1.85是是332.285.3-1.85是是33332.285.3-1.85是是342.275.18-1.85是是34342.275.18-1.85是是352.35.1-1.85是是35352.35.1-1.85是是362.325.09-1.85是是36362.325.09-1.85是是372.54.72-1.85是是37372.54.72-1.85是是382.594.21-1.85是是38382.594.21-1.85是是393.93.37-1.85是是39393.93.37-1.85是是403.162.05-1.85是是40403.162.05-1.85是是411.372.6-1.85是是41411.372.6-1.85是是420.243.86-1.85是是42421.152.69-1.85是是432.231.38-1.85是是43432.231.38-1.85是是443.70.179-1.85是是44443.70.18-1.85是是454.130.578-1.85是是45454.130.578-1.85是是464.210.789-1.85是是46462.940.767-1.85是是473.122.07-1.85是是47473.122.07-1.85是是483.213.29-1.85是是48483.213.29-1.85是是493.173.62-1.85是是49493.173.62-1.85是是503.114.04-1.85是是50503.114.04-1.85是是513.064.38-1.85是是51513.064.38-1.85是是523.044.53-1.85是是52523.044.53-1.85是是533.024.74-1.85是是53533.024.74-1.85是是543.034.68-1.85是是54543.034.68-1.85是是553.064.58-1.85是是55553.064.58-1.85是是563.064.57-1.85是是56563.064.57-1.85是是573.24.1-1.85是是57573.24.1-1.85是是583.263.54-1.85是是58583.263.54-1.85是是594.542.66-1.85是是59594.542.66-1.85是是603.711.46-1.85是是60603.711.46-1.85是是611.882.11-1.85是是61611.882.11-1.85是是620.7693.36-1.85是是62620.8033.56-1.85是是631.922.22-1.85是是63631.922.22-1.85是是643.431.01-1.85是是64643.431.01-1.85是是653.871.42-1.85是是65653.871.43-1.85是是663.971.63-1.85是是66662.691.61-1.85是是672.922.91-1.85是是67672.922.91-1.85是是683.034.09-1.85是是68683.034.09-1.85是是693.014.3-1.85是是69693.014.3-1.85是是702.974.62-1.85是是70702.974.62-1.85是是712.934.88-1.85是是71712.934.88-1.85是是722.944.92-1.85是是72722.944.92-1.85是是732.935.05-1.85是是73732.935.05-1.85是是742.974.93-1.85是是74742.974.93-1.85是是753.024.76-1.85是是75753.024.76-1.85是是763.064.68-1.85是是76763.064.68-1.85是是773.254.22-1.85是是77773.254.22-1.85是是783.363.66-1.85是是78783.363.66-1.85是是794.682.76-1.85是是79794.682.76-1.85是是803.881.51-1.85是是80803.881.51-1.85是是812.072.14-1.85是是81812.072.14-1.85是是820.9823.37-1.85是是82820.633.72-1.85是是831.782.38-1.85是是83831.782.38-1.85是是843.341.17-1.85是是84843.341.17-1.85是是853.811.53-1.85是是85853.811.53-1.85是是863.921.7-1.85是是86862.641.69-1.85是是872.92.91-1.85是是87872.92.91-1.85是是883.054.06-1.85是是88883.054.06-1.85是是893.054.21-1.85是是89893.054.21-1.85是是903.034.46-1.85是是90903.034.46-1.85是是913.024.65-1.85是是91913.024.65-1.85是是923.044.6-1.85是是92923.044.6-1.85是是933.044.63-1.85是是93933.044.63-1.85是是943.084.39-1.85是是94943.084.39-1.85是是953.144.11-1.85是是95953.144.11-1.85是是963.183.91-1.85是是96963.183.91-1.85是是973.373.33-1.85是是97973.373.33-1.85是是983.512.64-1.85是是98983.512.64-1.85是是994.851.68-1.85是是99994.851.68-1.85是是1004.040.518-1.85是是1001004.040.518-1.85是是1012.251.16-1.85是是1011012.251.16-1.85是是1021.182.34-1.85是是1021020.4193.76-1.85是是1031.542.41-1.85是是1031031.542.41-1.85是是1043.061.24-1.85是是1041043.061.24-1.85是是1053.471.65-1.85是是1051053.471.65-1.85是是1063.571.84-1.85是是1061062.291.83-1.85是是1072.513.08-1.85是是1071072.513.08-1.85是是1082.624.21-1.85是是1081082.624.21-1.85是是1092.594.37-1.85是是1091092.594.37-1.85是是1102.544.64-1.85是是1101102.544.64-1.85是是1112.534.88-1.85是是1111112.534.88-1.85是是1122.534.93-1.85是是1121122.534.93-1.85是是1132.525.01-1.85是是1131132.525.01-1.85是是1142.64.93-1.85是是1141142.64.93-1.85是是1152.714.85-1.85是是1151152.714.85-1.85是是1162.764.76-1.85是是1161162.764.76-1.85是是1172.964.29-1.85是是1171172.964.29-1.85是是1183.143.81-1.85是是1181183.143.81-1.85是是1194.492.97-1.85是是1191194.492.97-1.85是是1203.751.7-1.85是是1201203.751.7-1.85是是1212.032.34-1.85是是1211212.032.34-1.85是是1220.9693.58-1.85是是1221220.9693.58-1.85是是1232.052.22-1.85是是1231232.052.22-1.85是是1243.71.25-1.85是是1241243.71.25-1.85是是1254.452.27-1.85是是1251254.452.27-1.85是是1264.562.43-1.85是是1261263.22.65-1.85是是1273.253.54-1.85是是1271273.253.54-1.85是是1283.113.98-1.85是是1281283.113.98-1.85是是1293.134.14-1.85是是1291293.134.14-1.85是是1303.124.4-1.85是是1301303.124.4-1.85是是1313.184.53-1.85是是1311313.184.53-1.85是是1323.344.54-1.85是是1321323.344.54-1.85是是1333.424.68-1.85是是1331333.424.68-1.85是是1343.424.91-1.85是是1341343.424.91-1.85是是1353.445.24-1.85是是1351353.445.24-1.85是是1363.455.5-1.85是是1361363.455.5-1.85是是1373.415.97-1.85是是1371373.415.97-1.85是是1383.446.33-1.85是是1381383.446.33-1.85是是1393.386.84-1.85是是1391393.386.84-1.85是是1402.855.57-1.85是是1401402.855.57-1.85是是1412.265.32-1.85是是1411412.265.32-1.85是是1422.175.79-1.85是是1421422.175.79-1.85是是143-1.37-0.215-1.85是是下圖中紅、藍色分別代表上、下緣應(yīng)力圖圖2-1正常使用階段截面上下緣最小正應(yīng)力(短期組合抗裂驗算)2)A類預(yù)應(yīng)力構(gòu)件長期效應(yīng)荷載組合，規(guī)范強制性要求，長期組合對于A類預(yù)應(yīng)力受彎構(gòu)件，在長期效應(yīng)組合下，不允許出現(xiàn)拉應(yīng)力?！豆珮蛞?guī)》(6.3.1-4)。主梁上下緣最小正應(yīng)力(長期組合抗裂驗算)表2-2單元號節(jié)點號上緣最小正應(yīng)力下緣最小正應(yīng)力容許最小正應(yīng)力上緣是否滿足下緣是否滿足(MPa)(MPa)(MPa)11000是是23.435.840是是223.435.840是是33.555.430是是333.555.430是是44.215.850是是444.215.850是是54.827.410是是554.827.410是是64.946.920是是664.946.920是是75.026.660是是775.026.660是是85.156.310是是885.156.310是是95.236.150是是995.236.150是是105.36.010是是10105.36.010是是115.375.930是是11115.375.930是是125.365.970是是12125.365.970是是135.296.230是是13135.296.230是是145.296.360是是14145.296.360是是155.366.440是是15155.366.440是是165.46.580是是16165.46.580是是175.616.370是是17175.616.370是是185.786.20是是18185.786.20是是197.195.620是是19197.195.620是是206.383.950是是20206.383.950是是214.774.540是是21214.774.540是是223.745.950是是22223.745.950是是234.694.530是是23234.694.530是是245.943.40是是24245.943.40是是256.24.010是是25256.24.010是是266.254.220是是26265.034.190是是2755.410是是272755.410是是284.956.740是是28284.956.740是是294.836.910是是29294.836.910是是304.697.180是是30304.697.180是是314.597.40是是31314.597.40是是324.577.50是是32324.577.50是是334.577.660是是33334.577.660是是344.637.650是是34344.637.650是是354.757.650是是35354.757.650是是364.857.710是是36364.857.710是是375.117.40是是37375.117.40是是385.337.010是是38385.337.010是是396.766.30是是39396.766.30是是406.14.490是是40406.14.490是是414.484.840是是41414.484.