【《某预应力连续刚构桥成桥验算计算过程案例》5200字】

某预应力连续刚构桥成桥验算计算过程案例1.1概述当用MIDAS软件使得设计的桥梁成桥时，需要满足各项验算指标。而本章将具体讲述如何使用软件对施工阶段法向压应力、受拉区钢筋的拉应力、使用阶段正截面抗裂验算、使用阶段斜截面抗裂验算、使用阶段正截面压应力、使用阶段斜截面主压应力、使用阶段正截面抗弯和使用阶段斜截面抗剪等一些列的验算。1.2PSC设计1.2.1PSC参数设计PSC参数具体如下图1.2-1。图1.2-1PSC参数详情1.2.2PSC材料设计(1)混凝土具体数据如表1.2-1。表1.2-1混凝土各项参数强度等级弹性模量Mpa容重kN/m3轴心抗压设计强度Mpa轴心抗拉设计强度Mpa轴心抗压标准强度Mpa轴心抗拉标准强度MpaC503.45*1042622.41.8332.42.65(2)钢筋设计规范为JTG04(RC)规范，主筋等级:HRB400，箍筋等级：HRB335。具体数据如表1.2-2。表1.2-2钢筋各项参数普通钢筋弹性模量(MPa)容重(kN/m3)fsk(MPa)fsd(MPa)fsd(MPa)HRB33520000076.98335280280HRB40020000076.98400330330(3)预应力钢束具体数据如表1.2-3。表1.2-3预应力钢束各项参数预应力钢绞线弹性模量(MPa)张拉控制应力(MPa)孔道磨阻系数孔道偏差系数钢绞线松弛系数一端锚固回缩值(m)2119500013950.170.00150.30.006002319500013950.170.00150.30.00600图1.2-2PSC各项材料参数1.3荷载组合设计1.3.1荷载工况荷载工况如下表1.3-1。表1.3-1荷载工况序号工况名称描述1合计(CS)2cD恒荷载(CS)3cCR钢束二次(CS)4cSH徐变二次(CS)5SUM收缩二次(CS)6M[1]车辆荷载(MV)7M[2]人群荷载(MV)8T均匀升温(ST)9T均匀降温(ST)10TPG梁截面升温(ST)11TPG梁截面降温(ST)12cSH钢束一次(CS)1.4施工阶段法向压应力验算1.4.1计算依据根据《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG3362-2018)7.2.7和7.2.8规定：全预应力混凝土和A类预应力混凝土受弯构件，由作用标准值产生的混凝土法向应力和预应力钢筋的应力，应按下列公式计算：(1)混凝土法向压应力σkc和拉应力σktσkc(2)预应力钢筋应力σP1.4.2施工阶段法向压应力验算表见表1.4-1。表1.4-1施工阶段法向压应力验算单元位置最大/最小阶段验算Sig_T(kN/m^2)Sig_B(kN/m^2)Sig_MAX(kN/m^2)Sig_ALW(kN/m^2)1I[1]最小施工阶段14OK-155.1444650.182-155.144-14841I[1]最大施工阶段14OK-155.1444650.1824650.182181441J[2]最小施工阶段16OK-340.9595396.077-340.987-14841J[2]最大施工阶段16OK-340.9595396.0775396.095181442I[2]最大施工阶段14OK-163.5946221.3536221.353181442I[2]最小施工阶段16OK-184.1736225.562-184.201-1661.862J[3]最小施工阶段16OK-232.646471.138-232.696-1661.862J[3]最大施工阶段16OK-232.646471.1386471.174181443I[3]最小施工阶段16OK-72.70827312.666-72.7632-1881.243I[3]最大施工阶段16OK-72.70827312.6667312.703181443J[4]最大施工阶段16OK-316.9017765.0377765.092181443J[4]最小施工阶段16OK-316.9017765.037-316.984-1881.244I[4]最小施工阶段16OK-316.9017765.037-316.984-1881.244I[4]最大施工阶段16OK-316.9017765.0377765.092181444J[5]最小施工阶段16OK-347.4347802.9-347.535-1881.244J[5]最大施工阶段16OK-347.4347802.97802.967181445I[5]最大施工阶段16OK389.50368299.1198299.186181445I[5]最小施工阶段16OK389.50368299.119389.4032-14845J[6]最小施工阶段13OK886.2069582.3288582.3288-14845J[6]最大施工阶段16OK1120.4747332.4447332.5321814418I[18]最小施工阶段1OK623.4378151.9863151.9863-148418I[18]最大施工阶段14OK7114.43501.57114.41814418J[19]最大施工阶段14OK6516.7434049.4656516.7431814418J[19]最小施工阶段1OK583.562270.7537270.7537-148419I[19]最小施工阶段1OK583.684270.782270.782-148419I[19]最大施工阶段14OK6516.8594049.4936516.8591814419J[20]最小施工阶段1OK475.9717349.1474349.1474-148419J[20]最大施工阶段14OK6127.5094345.7826127.5091814420I[20]最大施工阶段16OK6537.0963823.7556537.4091814420I[20]最小施工阶段1OK475.9717349.1474349.1474-148420J[21]最小施工阶段1OK573.0716269.0213269.0213-148420J[21]最大施工阶段16OK6905.3013533.3436905.6071814421I[21]最小施工阶段1OK572.9526261.9937261.9937-1484续表1.4-121I[21]最大施工阶段16OK6905.1893533.3176905.4951814421J[22]最大施工阶段16OK7475.6422991.5397475.9341814421J[22]最小施工阶段1OK601.5806155.4805155.4805-148434I[34]最小施工阶段14OK1249.78732.372532.3725-148434I[34]最大施工阶段16OK2212.6965582.3035611.1131814434J[35]最小施工阶段14OK756.4566471.9838471.9838-148434J[35]最大施工阶段16OK1330.2136723.316724.2921814435I[35]最小施工阶段16OK589.27896231.641587.7984-148435I[35]最大施工阶段16OK589.27896231.6416239.6281814435J[36]最小施工阶段16OK577.61136241.557577.6112-148435J[36]最大施工阶段16OK577.61136241.5576241.5571814436I[36]最大施工阶段16OK577.61136241.5576241.5571814436I[36]最小施工阶段16OK577.61136241.557577.6112-148436J[37]最小施工阶段16OK542.31276297.172540.8319-148436J[37]最大施工阶段16OK542.31276297.1726291.1591814437I[37]最小施工阶段14OK671.5144595.0267595.0267-148437I[37]最大施工阶段16OK1282.7886786.346787.3221814437J[38]最大施工阶段16OK2004.5285840.3335869.1431814437J[38]最小施工阶段13OK996.6518411.1876411.1876-148450I[50]最小施工阶段1OK623.4378151.9863151.9863-148450I[50]最大施工阶段16OK6971.4543436.5146971.7461814450J[51]最小施工阶段1OK583.562270.7537270.7537-148450J[51]最大施工阶段16OK6373.1053991.5576373.4111814451I[51]最大施工阶段16OK6373.223991.5846373.5261814451I[51]最小施工阶段1OK583.684270.782270.782-148451J[52]最小施工阶段1OK475.9717349.1474349.1474-148451J[52]最大施工阶段16OK5980.1024291.3935980.4151814452I[52]最小施工阶段1OK475.9717349.1474349.1474-148452I[52]最大施工阶段14OK5883.9654549.5225883.9651814452J[53]最小施工阶段1OK573.0716269.0213269.0213-148452J[53]最大施工阶段14OK6267.4744246.6236267.4741814453I[53]最小施工阶段1OK572.9526261.9937261.9937-148453I[53]最大施工阶段14OK6267.3624246.5976267.3621814453J[54]最大施工阶段14OK6867.8563686.8346867.8561814453J[54]最小施工阶段1OK601.5806155.4805155.4805-148466I[66]最小施工阶段13OK886.2017582.3292582.3292-148466I[66]最大施工阶段16OK916.09898172.2348172.3221814466J[67]最小施工阶段16OK212.7528917.627212.6516-148466J[67]最大施工阶段16OK212.7528917.6278917.69418144续表1.4-167I[67]最大施工阶段16OK-523.4868420.5758420.6421814467I[67]最小施工阶段16OK-523.4868420.575-523.587-1881.2467J[68]最小施工阶段16OK-461.1128320.935-461.195-1881.2467J[68]最大施工阶段16OK-461.1128320.9358320.9911814468I[68]最小施工阶段16OK-461.1128320.935-461.195-1881.2468I[68]最大施工阶段16OK-461.1128320.9358320.9911814468J[69]最大施工阶段16OK-211.1827722.0157722.0521814468J[69]最小施工阶段16OK-211.1827722.015-211.237-1881.2469I[69]最小施工阶段16OK-352.6446984.043-352.699-1661.8669I[69]最大施工阶段16OK-352.6446984.0436984.0791814469J[70]最小施工阶段16OK-282.4036645.918-282.431-1661.8669J[70]最大施工阶段16OK-282.4036645.9186645.9371814470I[70]最小施工阶段16OK-430.9585860.218-430.985-148470I[70]最大施工阶段16OK-430.9585860.2185860.2371814470J[71]最小施工阶段14OK-201.635031.147-201.63-148470J[71]最大施工阶段14OK-201.635031.1475031.147181441.5受拉区钢筋拉应力验算1.5.1计算依据根据《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG3662-2018)6.1.3、7.1.5规定，使用阶段预应力混凝土受弯构件正截面混凝土的压应力和预应力钢筋的拉应力，应符合下列规定：受拉区体内预应力钢绞线的最大拉应力：σPc1.5.2受拉区钢筋的拉应力验算统计表见表1.5-1。表1.5-1受拉区钢筋的拉应力验算统计表钢束验算Sig_DL(kN/m^2)Sig_LL(kN/m^2)Sig_ADL(kN/m^2)Sig_ALL(kN/m^2)ASTG1-A07-11OK1030300106836213950001209000ASTG1-A07-12OK1030300106836213950001209000ASTG1-A07-23OK1171225118766913950001209000ASTG1-A07-24OK1171225118767013950001209000ASTG1-A08-09OK1040395106214813950001209000ASTG1-A08-10OK1040395106214713950001209000续表1.5-1ASTG1-A08-21OK1171150118929213950001209000ASTG1-A08-22OK1171150118929313950001209000ASTG1-A09-07OK950942.1104422513950001209000ASTG1-A09-08OK950942.1104422413950001209000ASTG1-A09-19OK976315.6110188513950001209000ASTG1-A09-20OK976315.6110188513950001209000ASTG1-A10-05OK998682107701213950001209000ASTG1-A10-06OK998682107701213950001209000ASTG1-A10-17OK998691110404013950001209000ASTG1-A10-18OK998691110404113950001209000ASTG1-A11-03OK1041770107737813950001209000ASTG1-A11-04OK1041770107737813950001209000ASTG1-A11-15OK1041773109592113950001209000ASTG1-A11-16OK1041773109592213950001209000ASTG1-A12-01OK1064587103550513950001209000ASTG1-A12-02OK1064587103550413950001209000ASTG1-A12-13OK1064587103823313950001209000ASTG1-A12-14OK1064587103823313950001209000CSTG1-K01-01OK1064415106991713950001209000CSTG1-K01-02OK1064415106991713950001209000CSTG1-K01-03OK1027889111688013950001209000CSTG1-K01-04OK1027889111688013950001209000CSTG1-K01-05OK970896.2110397813950001209000CSTG1-K01-06OK970896.2110397813950001209000CSTG1-K01-07OK880569.4106686313950001209000CSTG1-K01-08OK880569.4106686313950001209000CSTG1-K01-09OK880970.3107948413950001209000CSTG1-K01-10OK880970.3107948413950001209000CSTG1-K01-11OK886151.1107988713950001209000CSTG1-K01-12OK886151.1107988713950001209000PSTG-L-01OK1184012118401213950001209000PSTG-L-02OK1184012118401213950001209000PSTG-L-03OK1184012118401213950001209000PSTG-L-04OK1184012118401213950001209000PSTG-M-01OK1134762114133913950001209000PSTG-M-02OK1134762114133913950001209000PSTG-M-03OK1134762114133913950001209000PSTG-M-04OK1134762114133913950001209000PSTG-R-01OK1184012118660113950001209000续表1.5-1PSTG-R-02OK1184012118660113950001209000PSTG-R-03OK1184012118660113950001209000PSTG-R-04OK1184012118660113950001209000PSTG1-P1-01OK1147753106572913950001209000PSTG1-P1-02OK1147753106572813950001209000PSTG1-P1-03OK1191555110530213950001209000PSTG1-P1-04OK1191555110530113950001209000PSTG1-P1-05OK1211393112918213950001209000PSTG1-P1-06OK1211393112918013950001209000PSTG1-P1-07OK1103269109823913950001209000PSTG1-P1-08OK1103269109823713950001209000PSTG1-P1-09OK1093384110635613950001209000PSTG1-P1-10OK1093384110635513950001209000PSTG1-P1-11OK1083527111830513950001209000PSTG1-P1-12OK1083527111830313950001209000PSTG1-P1-13OK1075027111976613950001209000PSTG1-P1-14OK1075027111976513950001209000PSTG1-P1-15OK1079098112388413950001209000PSTG1-P1-16OK1079098112388313950001209000PSTG1-P1-17OK1078879112812913950001209000PSTG1-P1-18OK1078879112812813950001209000PSTG1-P1-19OK1083492113190513950001209000PSTG1-P1-20OK1083492113190313950001209000PSTG1-P1-21OK1083492113492713950001209000PSTG1-P1-22OK1083492113492613950001209000PSTG1-P1-23OK1088119114038713950001209000PSTG1-P1-24OK1088119114038513950001209000CSTG1-K01-10OK880970.3107948413950001209000CSTG1-K01-11OK886151.1107988713950001209000CSTG1-K01-12OK886151.1107988713950001209000PSTG-L-01OK1184012118401213950001209000PSTG-L-02OK1184012118401213950001209000PSTG-L-03OK1184012118401213950001209000PSTG-L-04OK1184012118401213950001209000PSTG-M-01OK1134762114133913950001209000PSTG-M-02OK1134762114133913950001209000PSTG-M-03OK1134762114133913950001209000PSTG-M-04OK1134762114133913950001209000PSTG-R-01OK1184012118660113950001209000表1.5-1PSTG-R-02OK1184012118660113950001209000PSTG-R-03OK1184012118660113950001209000PSTG-R-04OK1184012118660113950001209000PSTG1-P1-01OK1147753106572913950001209000PSTG1-P1-02OK1147753106572813950001209000PSTG1-P1-03OK1191555110530213950001209000PSTG1-P1-04OK1191555110530113950001209000PSTG1-P1-05OK1211393112918213950001209000PSTG1-P1-06OK1211393112918013950001209000PSTG1-P1-07OK1103269109823913950001209000PSTG1-P1-08OK1103269109823713950001209000PSTG1-P1-09OK1093384110635613950001209000PSTG1-P1-10OK1093384110635513950001209000PSTG1-P1-11OK1083527111830513950001209000PSTG1-P1-12OK1083527111830313950001209000PSTG1-P1-13OK1075027111976613950001209000PSTG1-P1-14OK1075027111976513950001209000PSTG1-P1-15OK1079098112388413950001209000PSTG1-P1-16OK1079098112388313950001209000PSTG1-P1-17OK1078879112812913950001209000PSTG1-P1-18OK1078879112812813950001209000PSTG1-P1-19OK1083492113190513950001209000PSTG1-P1-20OK1083492113190313950001209000PSTG1-P1-21OK1083492113492713950001209000PSTG1-P1-22OK1083492113492613950001209000PSTG1-P1-23OK1088119114038713950001209000PSTG1-P1-24OK1088119114038513950001209000PWTG1-P1-14OK908732104618713950001209000PWTG1-P1-15OK893643.2104134813950001209000PWTG1-P1-16OK893643.2104134713950001209000PWTG1-P1-17OK883936.3104026613950001209000PWTG1-P1-18OK883936.3104026413950001209000PWTG1-P1-19OK872585.4103913413950001209000PWTG1-P1-20OK872585.4103913313950001209000PWTG1-P1-21OK876181.4104327913950001209000PWTG1-P1-22OK876181.4104327713950001209000PWTG1-P1-23OK876931.4104766813950001209000PWTG1-P1-24OK876931.4104766713950001209000PWTG1-P1-25OK880962.2105427013950001209000续表1.5-1PWTG1-P1-26OK880962.2105426913950001209000PWTG1-P2-01OK921933.2995239.513950001209000PWTG1-P2-02OK921933.299524113950001209000PWTG1-P2-03OK931821.6102201313950001209000PWTG1-P2-04OK931821.6102201413950001209000PWTG1-P2-05OK916251.1103493813950001209000PWTG1-P2-06OK916251.1103493913950001209000PWTG1-P2-07OK915967.1103915213950001209000PWTG1-P2-08OK915967.1103915413950001209000PWTG1-P2-09OK917719.8104343613950001209000PWTG1-P2-10OK917719.8104343713950001209000PWTG1-P2-11OK920862.1104870213950001209000PWTG1-P2-12OK920862.1104870313950001209000PWTG1-P2-13OK908732104676913950001209000PWTG1-P2-14OK908732104677013950001209000PWTG1-P2-15OK893643.2104197313950001209000PWTG1-P2-16OK893643.2104197413950001209000PWTG1-P2-17OK883936.3104096713950001209000PWTG1-P2-18OK883936.3104096913950001209000PWTG1-P2-19OK872585.4103990113950001209000PWTG1-P2-20OK872585.4103990313950001209000PWTG1-P2-21OK876181.4104430113950001209000PWTG1-P2-22OK876181.4104430113950001209000PWTG1-P2-23OK876931.4104922713950001209000PWTG1-P2-24OK876931.4104922713950001209000PWTG1-P2-25OK880962.2105729913950001209000PWTG1-P2-26OK880962.21057299139500012090001.6使用阶段正截面抗裂验算1.6.1计算依据根据《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG3362-2018)6.3.1、6.3.2规定：全预应力混凝土分段浇筑构件正截面混凝土拉应力应符合下列要求：σst1.6.2使用阶段正截面抗裂验算统计表见表1.6-1。表1.6-1使用阶段正截面抗裂验算统计表单元位置组合名称短/长类型验算Sig_T(kN/m^2)Sig_B(kN/m^2)Sig_MAX(kN/m^2)Sig_ALW(kN/m^2)1I[1]频遇45短期FX-MAXOK5841.2712031.6762031.67601J[2]频遇45短期FX-MAXOK6029.2882111.5542117.0402I[2]频遇45短期FX-MAXOK6143.6462732.9182731.40702J[3]频遇44短期FX-MAXOK10925.82474.1552471.13303I[3]频遇44短期FX-MAXOK11044.343093.2723090.25403J[4]频遇44短期FX-MAXOK11142.432981.8092984.28204I[4]频遇44短期FX-MAXOK11142.432981.8092984.28204J[5]频遇44短期FX-MAXOK11251.512779.3252773.79305I[5]频遇44短期FX-MAXOK11929.123209.9623204.45605J[6]频遇44短期FX-MAXOK12715.912084.2412076.978018I[18]频遇44短期FX-MAXOK9936.1722799.2572784.783018J[19]频遇47短期FX-MINOK2680.0474752.9552657.062019I[19]频遇47短期FX-MINOK2680.1524752.9752657.168019J[20]频遇47短期FX-MINOK2274.1995071.552250.789020I[20]频遇47短期FX-MINOK3023.4354232.5722995.812020J[21]频遇47短期FX-MAXOK3911.9863365.133347.338021I[21]频遇47短期FX-MAXOK3911.8833365.1113347.319021J[22]频遇47短期FX-MAXOK4453.9822856.9112839.7180续表1.6-134I[34]频遇46短期FX-MAXOK12256.862071.8522036.328034J[35]频遇46短期FX-MAXOK11501.052981.9962975.318035I[35]频遇46短期FX-MAXOK10811.792574.3632560.66035J[36]频遇46短期FX-MAXOK10790.222583.5692570.687036I[36]频遇46短期FX-MAXOK10790.222583.5692570.687036J[37]频遇46短期FX-MAXOK10742.962635.4852623.229037I[37]频遇46短期FX-MAXOK11436.123054.8723042.633037J[38]频遇46短期FX-MAXOK11940.232355.92347.327050I[50]频遇47短期FX-MAXOK4016.9773250.713233.216050J[51]频遇47短期FX-MINOK2927.1364343.8142900.448051I[51]频遇47短期FX-MINOK2927.2424343.8342900.554051J[52]频遇47短期FX-MINOK2532.0414653.4922504.902052I[52]频遇47短期FX-MINOK2132.5145193.3822109.551052J[53]频遇47短期FX-MINOK2529.0374872.192506.491053I[53]频遇47短期FX-MINOK2521.9344872.1712506.388053J[54]频遇44短期FX-MAXOK9780.1432913.4962891.741066I[66]频遇44短期FX-MAXOK12681.322764.9032757.497066J[67]频遇44短期FX-MAXOK11841.923715.933710.315067I[67]频遇44短期FX-MAXOK11181.963284.7383279.095067J[68]频遇44短期FX-MAXOK11043.13443.7843439.1670续表1.6-168I[68]频遇44短期FX-MAXOK11043.13443.7843439.167068J[69]频遇44短期FX-MAXOK10891.083432.7713429.694069I[69]频遇44短期FX-MAXOK10786.852889.2852886.202069J[70]频遇45短期FX-MAXOK5957.6683079.9063071.365070I[70]频遇45短期FX-MAXOK5849.4812501.682500.136070J[71]频遇45短期FX-MAXOK5626.8622343.9482343.94801.7使用阶段斜截面抗裂验算1.7.1计算依据根据《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG3362-2018)6.3.1规定：全预应力混凝土现浇构件斜截面主拉应力应符合下列要求：σtp1.7.2使用阶段斜截面抗裂验算统计表见表1.7-1。表1.7-1使用阶段斜截面抗裂验算统计表单元位置组合名称类型验算Sig_P1(kN/m^2)Sig_P3(kN/m^2)Sig_P5(kN/m^2)Sig_MAX(kN/m^2)Sig_AP(kN/m^2)1I[1]频遇47FX-MAXOK-1.5861-4.7304-112.177-262.476-10601J[2]频遇44FX-MINOK-0.8022-2.7901-174.08-304.261-1060续表1.7-12I[2]频遇47FX-MAXOK-1.2506-2.363-11.2378-54.8905-10602J[3]频遇44FX-MINOK-0.6067-1.7555-82.9093-147.192-10603I[3]频遇47FX-MAXOK-0.9574-1.4499-65.0154-115.684-10603J[4]频遇44FX-MINOK-0.4568-1.0734-26.5916-52.9859-10604I[4]频遇44FX-MINOK-0.4568-1.0734-26.5916-52.9859-10604J[5]频遇47FX-MAXOK-0.6288-0.7911-21.7308-52.3797-10605I[5]频遇44FX-MINOK-0.3483-0.8118-162.418-227.057-10605J[6]频遇44FX-MINOK-0.2965-0.9635-92.1153-155.626-106018I[18]频遇47FX-MAXOK-0.3894-0.7492-284.019-767.722-106018J[19]频遇46FX-MAXOK-0.2448-0.7528-457.367-1047.39-106019I[19]频遇46FX-MAXOK-0.2448-0.7528-451.532-1049.65-106019J[20]频遇46FX-MAXOK-0.262-0.7237-521.533-1115.72-106020I[20]频遇46FX-MINOK-0.3619-1.0578-490.09-1094.14-1060续表1.7-120J[21]频遇46FX-MINOK-0.3401-1.1152-429.781-1040.54-106021I[21]频遇46FX-MINOK-0.3401-1.1152-421.678-1031.32-106021J[22]频遇46FX-MINOK-0.3056-1.2455-259.889-762.244-106034I[34]频遇46FX-MAXOK-0.5755-2.7955-82.2217-184.976-106034J[35]频遇46FX-MAXOK-0.3642-1.1837-140.676-227.468-10605J[6]频遇44FX-MINOK-0.2965-0.9635-92.1153-155.626-106018I[18]频遇47FX-MAXOK-0.3894-0.7492-284.019-767.722-106035I[35]频遇46FX-MAXOK-0.3895-1.355-2.0543-12.7524-106035J[36]频遇46FX-MAXOK-0.3897-1.3511-7.145-24.8024-106036I[36]频遇46FX-MAXOK-0.3897-1.3511-7.145-24.8024-106036J[37]频遇46FX-MAXOK-0.3917-1.3337-15.3426-40.5523-106037I[37]频遇46FX-MINOK-0.4129-1.0506-92.0965-143.317-106037J[38]频遇46FX-MINOK-0.2106-0.7003-53.0683-93.9796-1060续表1.7-150I[50]频遇46FX-MAXOK-0.2942-1.2349-277.371-810.358-106050J[51]频遇46FX-MAXOK-0.3273-1.1103-455.571-1104-106051I[51]频遇46FX-MAXOK-0.3273-1.1103-456.733-1106.33-106051J[52]频遇46FX-MAXOK-0.3483-1.0551-519.383-1162.82-106052I[52]频遇46FX-MINOK-0.2761-0.6488-560.825-1132.02-106052J[53]频遇47FX-MINOK-0.5019-0.6271-493.033-1047.27-106053I[53]频遇47FX-MINOK-0.5019-0.6271-491.863-1045.07-106053J[54]频遇47FX-MINOK-0.4216-0.6723-301.159-751.676-106066I[66]频遇44FX-MAXOK-0.2822-1.0153-96.4231-169.232-106066J[67]频遇44FX-MAXOK-0.3339-0.8574-143.965-206.764-106067I[67]频遇47FX-MINOK-0.6937-0.6313-34.6791-51.4561-106067J[68]频遇44FX-MAXOK-0.4402-1.1289-20.9814-45.3167-106068I[68]频遇44FX-MAXOK-0.4402-1.1289-20.9814-45.3167-1060续表1.7-168J[69]频遇47FX-MINOK-1.036-1.2158-57.2594-91.9902-106069I[69]频遇44FX-MAXOK-0.5938-1.7967-72.4865-134.954-106069J[70]频遇47FX-MINOK-1.3298-1.9961-11.5448-50.4383-106070I[70]频遇44FX-MAXOK-0.8007-2.6819-160.014-279.384-106070J[71]频遇47FX-MINOK-1.6452-4.1122-124.732-261.535-10601.8使用阶段正截面压应力验算1.1.1计算依据根据《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG3362-2018)7.15规定：使用阶段预应力混凝土正截面压应力要符合以下要求：σkc1.1.2使用阶段正截面压应力验算统计表见表1.8-1。表1.8-1使用阶段正截面压应力验算统计表单元位置组合名称类型验算Sig_T(kN/m^2)Sig_B(kN/m^2)Sig_MAX(kN/m^2)Sig_ALW(kN/m^2)1I[1]标准66-OK12660.152977.64812660.15162001J[2]标准74FX-MAXOK12957.932989.90912960.9916200续表1.8-12J[3]标准74FX-MAXOK13464.673366.1213470.78162003I[3]标准74FX-MAXOK13612.794139.66113611.89162003J[4]标准74FX-MAXOK13709.564046.14913711.