龙湾中桥施工图设计计算书.docx
场镇道路工程龙湾中桥施工图设计计算书一、基本信息1.1 工程概况龙湾中桥为开州区高桥镇场镇道路工程K0+063.O(中心桩号)处的一座新建桥梁,桥梁跨越齐力河。桥梁起止桩号为K0+032.000K0+097.000,桥梁全长65mo全桥共一联,上部结构采用(18÷20÷18)m的预应力混凝土连续箱梁。下部结构桥墩采用圆柱式墩、桩基础,O号桥台采用桩柱式桥台、桩基础,3号桥台采用重力式U型桥台、扩大基础。桥梁位于2.2%的纵坡段,桥梁平面位于缓和曲线及圆曲线(R=70m)上,桥面横坡与道路超高保持一致,墩台径向布置。1.2 技术标准设计程序:MidasCivil和CivilDesigner设计安全等级:一级桥梁重要性系数:Ll1.3 主要规范公路工程技术标准(JTGBOl-2014)公路桥涵设计通用规范(JTGD60-2015),以下简称通规;公路钢筋混凝土及预应力混凝土桥涵设计规范OTG3362-2018),以下简称桥规;公路桥梁抗震设计规范(JTG/T2231-01-2020)公路桥涵地基与基础设计规范(JTG3363-2019)1.4 结构概述本桥上部采用(18÷20÷18)m预应力混凝土连续现浇箱梁,全桥采用等宽设置。主梁为单箱双室预应力混凝土直腹板等截面箱形梁,道路设计线处箱梁梁高1.4m,箱梁顶板宽11.7m,底板宽7.7m,翼缘板悬臂长度2.0m,翼缘板根部厚55cm,端部厚20cm,箱梁顶、底板平行,腹板等高设置,箱梁的详细构造如表1。表】主梁标准段参数跨径(m)顶板厚(Cm)底板厚(Cm)腹板厚(CnI)腹板变化段(m)横梁宽(m)顶板宽(m)底板宽(m)梁端跨中梁端跨中梁端跨中AUj端中18+20+185025502590605.01.52.011.77.71.1.1 5主要材料及材料性能1.1.2 混凝土表格1混凝土材料及材料性能表强度等级弹性模量(MPa)剪切模量(MPa)泊松比容重(kNm3)线膨胀系数fck(MPa)ftk(MPa)fed(MPa)fid(MPa)C5034500138000.20025.01.Oe-00532.402.65022.401.8301.1.3 预应力钢筋表格2预应力钢筋材料及材料性能表预应力钢筋材料名称弹性模量(MPa)容重(kNm3)线膨胀系数fpk(MPa)fpd(MPa)fpd(MPa)13-s15.219500078.5001.2e-0051860.0001260.000390.000表格3预应力钢筋特性值表预应力钢筋名称钢束总面积(mm2)张拉控制应力(MPa)张拉控制力(kN)管道直径(mm)k(lmm)锚具变形(mm)松弛系数超张拉13-45.218071339.22419.934900.171.5e-0066.00.3否1.1.4 普通钢筋表格4普通钢筋材料及材料性能表普通钢筋弹性模量(MPa)容重(KNm3)fsk(MPa)fsd(MPa)fsd(MPa)HPB300210000.00076.980300.000250.000250.000HRB400200000.00076.980400.000330.000330.0001.6计算原则、内容及控制标准计算书中将采用midasCivilDesigner对桥梁进行设计,并以公路桥涵设计通用规范(JTGD60-2015)和公路钢筋混凝土及预应力混凝土桥涵设计规范(JTG3362-2018)为标准,按部分预应力(A类)混凝土结构进行验算。二、模型建立及分析2.1 计算模型2)单元数量:40个;3)边界条件数量:2个;4)施工阶段数量:4个,施工步骤如下:施工阶段1:下部结构;15.0天;施工阶段2:现浇箱梁;15.0天;施工阶段3:二期荷载;30.0天;施工阶段4:收缩徐变;3650.0天;2.2 荷载工况及荷载组合1)自重自重系数:-1.042)徐变收缩收缩龄期:3.0天;理论厚度自动计算:由程序自动计算各构件的理论厚度。公式为:h=a×Ac/u;u=Lo+a×Li;-周长U的计算公式中LO为外轮廓周长,Li为内轮廓周长,a为要考虑轮廓周长的比例系数。3)支座沉降按照每个地基及基础的最大沉降量的最不利的荷载组合进行计算。第支座1组不均匀沉降-5.Omni;第支座3组不均匀沉降-5.Omni;第支座4组不均匀沉降-5.Omni;第支座2组不均匀沉降-5.0mm;4)可变荷载活载:汽车荷载,桥梁等级为公路I级;对于汽车荷载纵向整体冲击系数,按照公路桥涵通用设计规范第432条,冲击系数可按下式计算:当fV1.5Hz时,=0.05;当L5Hzf14Hz时,=0.17671n(f)-0.0157;当f>14Hz时,=0.45;根据规范,计算的结构基频f=8.30Hz,冲击系数=0.358。5)荷载组合表格5荷载工况序号工况名称描述1均匀温变(升)T2恒荷载DL3支座沉降SM4收缩二次SS5徐变二次CS6温度梯度(负)TPGl7钢束一次TP8钢束二次TS9均匀温变(降)Tl10温度梯度(正)TPG11人群荷载MCRL12汽车M荷载组合列表:基本1:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS);基本2:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M);基本3:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(MCRL);基本4:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(T)+1.400(TPG);基本5:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(T)+1.400(TPGl);基本6:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(T1)+1.400(TPG);基本7:基本;0.500(SM)+1.200(DL)+1.200(TS)+L000(CS)+1.000(SS)+1.400(Tl)+1.400(TPGl);基本8:基本;O.500(SM)+1.200(DL)+1.200(TS)+1.OOO(CS)+1.OOO(SS)+1.400(M)+1.050(MCRL);基本9:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.OOO(CS)+1.OOO(SS)+1.400(M)+1.050(T)+l.050(TPG);基本10:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+l.000(SS)+1.400(M)+1.050(T)+l.050(TPGl);基本11:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(Tl)+1.050(TPG);基本12:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(Tl)+1.050(TPGl);基本13:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(T)+1.050(TPG);基本14:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(T)+1.050(TPGl);基本15:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(Tl)+1.050(TPG);基本16:基本;0.500(SM)+1.200(DL)+1.200(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(Tl)+1.O5O(TPG1);基本17:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.OOO(SS);基本18:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M);基本19:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(MCRL);基本20:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(T)+l.400(TPG);基本21:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(T)+l.400(TPGl);基本22:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(Tl)+l.400(TPG);基本23:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(Tl)+l.400(TPGl);基本24:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL);基本25:基本;0.500(SM)+1.000(DL)+1.000(TS)+L000(CS)+1.000(SS)+1.400(M)+1.050(T)+1.050(TPG);基本26:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(T)+l.050(TPGl);基本27:基本;0.500(SM)+l.OOO(DL)+!.OOO(TS)+1.OOO(CS)+1.OOO(SS)+1.400(M)+1.050(Tl)+1.050(TPG);基本28:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(Tl)+1.050(TPGl);基本29:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(T)+1.050(TPG);基本30:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(T)+1.050(TPGl);基本31:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(Tl)+1.050(TPG);基本32:基本;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(Tl)+1.O5O(TPG1);频遇1:频遇;1.000(SM)+1.OOO(DL)+1.OOO(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.OOO(MCRL);频遇2:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+0.800(TPG);频遇3:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+0.800(TPGl);频遇4:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(Tl)+0.800(TPG);频遇5:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(Tl)+0.800(TPGl)频遇6:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M);频遇7:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+0.400(MCRL);频遇8:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+1.000(T)+0.8OO(TPG);频遇9:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+1.000(T)+0.8OO(TPGl);频遇10:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+1.000(Tl)+0.800(TPG);频遇11:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+1.000(Tl)+0.800(TPGl);频遇12:频遇;1.OOO(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+0.400(MCRL)+1.000(T)+0.800(TPG);频遇13:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+0.400(MCRL)+1.000(T)+0.800(TPGl);频遇14:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+0.400(MCRL)+1.000(Tl)+0.800(TPG);频遇15:频遇;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.515(M)+0.400(MCRL)+1.000(Tl)+0.800(TPGl);准永久1:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.400(MCRL);准永久2:准永久;1.000(SM)+1.OOO(DL)+1.OOO(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.OOO(T)+0.800(TPG);准永久3:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+0.800(TPGl);准永久4:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(Tl)+0.800(TPG);准永久5:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(Tl)+0.800(TPGl)准永久6:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M);准永久7:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+0.400(MCRL);准永久8:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+1.000(T)+0.800(TPG);准永久9:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+1.000(T)+0.8OO(TPGl);准永久10:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+1.000(Tl)+0.800(TPG);准永久11:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+1.000(Tl)+0.800(TPGl);准永久12:准永久;1.OOO(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+0.400(MCRL)+1.000(T)+0.800(TPG);准永久13:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+0.400(MCRL)+1.000(T)+0.800(TPGl);准永久14:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+0.400(MCRL)+1.000(Tl)+0.800(TPG);准永久15:准永久;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+0.294(M)+0.400(MCRL)+1.000(Tl)+0.800(TPGl);挠度1:挠度;1.000(DL)+0.515(M)+1.000(MCRL);挠度2:挠度;0.515(M)+1.000(MCRL);挠度3:挠度;1.000(DL)+0.258(M)+0.500(MCRL);应力1:标准;1.000(SM)+1.OOO(DL)+1.OOO(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.OOO(MCRL);应力2:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+l.000(TPG);应力3:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+1.000(TPGl);应力4:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+L000(SS)+L000(T1)+L000(TPG);应力5:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(TD+1.000(TPGl)f应力6:标准;LOOo(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M);应力7:标准;1.000(SM)+1.OOO(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.OOO(MCRL);应力8:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(T)+1.0OO(TPG);应力9:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(T)+1.0OO(TPGl);应力10:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(Tl)+1.OOO(TPG);应力11:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(Tl)+1.OOO(TPGl);应力12:标准;1.OOO(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+l.000(SS)+1.000(M)+1.OOO(MCRL)+1.000(T)+1.OOO(TPG);应力13:标准;1.OOO(SM)+1.OOO(DL)+1.OOO(TP)+1.OOO(TS)+1,OOO(CS)+1.OOO(SS)+1.000(M)+l.OOO(MCRL)+1.000(T)+1.OOO(TPGl);应力14:标准;1.000(SM)+1.000(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.OOO(SS)+1.000(M)+l.OOO(MCRL)+1.000(Tl)+1.000(TPG);应力15:标准;1.000(SM)+1.OOO(DL)+1.000(TP)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.OOO(MCRL)+1.000(Tl)+l.OOO(TPGl);倾覆1:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS);倾覆2:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M);倾覆3:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(MCRL);倾覆4:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(T)+1.400(TPG);倾覆5:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(T)+1.400(TPGl);倾覆6:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(Tl)+1.400(TPG);倾覆7:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(Tl)+1.400(TPGl);倾覆8:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL);倾覆9:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(T)+1.050(TPG);倾覆10:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(T)+1.050(TPGl);倾覆11:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.OOO(CS)+1.OOO(SS)+1.400(M)+1.050(Tl)+l.050(TPG);倾覆12:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(Tl)+l.050(TPGl);倾覆13:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(T)+1.050(TPG);倾覆14:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.400(M)+1.050(MCRL)+1.050(T)+1.050(TPGl);倾覆15:倾覆;O.500(SM)+1.OOO(DL)+1.OOO(TS)+1.OOO(CS)+1.OOO(SS)+1.400(M)+1.050(MCRL)+1.050(Tl)+1.050(TPG);倾覆16:倾覆;0.500(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.OOO(SS)+1.400(M)+1.050(MCRL)+1.050(Tl)+1.050(TPGl);倾覆17:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.OOO(SS);倾覆18:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M);倾覆19:倾覆;1.000(SM)+1.000(DL)+1.OOO(TS)+1.OOO(CS)+1.OOO(SS)+1.OOO(MCRL);倾覆20:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+1.000(TPG);倾覆21:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(T)+1.000(TPGl);倾覆22:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.OOO(CS)+1.000(SS)+1.000(Tl)+l.OOO(TPG);倾覆23:倾覆;1.000(SM)+1.OOO(DL)+1.OOO(TS)+1.000(CS)+1.000(SS)+1.000(Tl)+l.OOO(TPGl);倾覆24:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(MCRL);倾覆25:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(T)+l.000(TPG);倾覆26:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+L000(M)+1.000(T)+1.000(TPG1);倾覆27:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(Tl)+1.000(TPG);倾覆28:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(T1)+1.000(TPG1);倾覆29:倾覆;1.OOO(SM)+1.OOO(DL)+1.OOO(TS)+1.OOO(CS)+1,OOO(SS)+1.000(M)+1.OOO(MCRL)+1,OOO(T)+1.000(TPG);倾覆30:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(MCRL)+1.000(T)+1.OOO(TPGl);倾覆31:倾覆;1.000(SM)+1.000(DL)+1.000(TS)+1.000(CS)+1.000(SS)+1.000(M)+1.000(MCRL)+1.OOO(Tl)+LOOO(TPG);倾覆32:倾覆;1.OOO(SM)+1.OOO(DL)+1.OOO(TS)+1.OOO(CS)+1.OOO(SS)+1.OOO(M)+1.000(MCRL)+1.OOO(Tl)+1.OOO(TPGl);三、持久状况承载能力极限状态1. 1正截面抗弯验算N 士)1黜-5127.1-55127. 1节点号rMu(Max)Mn(包)(MaX)rMu(Min)Mn(包)(Min)图表1持久状况正截面抗弯验算包络图结论:按照桥规第5.L2-1条YOSWR验算,结构的重要性系数*作用效应的组合设计最大值W构件承载力设计值,满足规范要求;3. 2斜截面抗剪验算rVd (Max)Vn (Max)rVd (Min) Vn (Min)图表2持久状况斜截面抗剪验算包络图结论:按照桥规第5.1.2-1条YOSWR验算,结构的重要性系数*作用效应的组合设计最大值W构件承载力设计值,满足规范要求;按照桥规第5.2.11或8.4.4条进行抗剪截面验算,满足规范要求;4. 3抗扭验算5322.9 -4677. 1 f-14677. 1 4rTd Tn (Max )Tn (Min)(Nx)K钺图表3持久状况抗扭验算(扭矩)包络图13742. O3742. O-6258. O-16258.0rVd Vn (Max) Vn (Min)21图表4持久状况抗扭验算(剪力)包络图结论,按照桥规第5.1.2T条公式y°SWR验算,结构的重要性系数*作用效应的组合设计最大值W构件承载力设计值,满足规范要求;按照桥规第5.5.3条进行截面验算,满足规范要求;3.4支反力计算表格6支反力计算表支座节点荷载Fx(kN)Fy(kN)Fz(kN)Mx(kN.m)My(kN.m)Mz(kN.m)58应力14-7.47914.8905197.4150.000-0.0000.00043应力122.65224.3863054.6630.0000.0000.00053应力130.0000.0004168.6990.0000.0000.00051应力14-800.496-1120.2884971.3450.0000.0000.00055应力1247.77741.2503015.8650.0000.0000.00057应力140.0000.0002791.7070.0000.0000.00059应力1313.88516.2664509.568-0.000-0.0000.00045应力140.0000.0002781.0600.0000.0000.000四、持久状况正常使用极限状态4.1 正截面抗裂验算A类预应力混凝土构件,在作用(荷载)频遇效应组合下,应符合下列条件:。st-OPCW0.7ftkA类预应力混凝土构件,在作用(荷载)准永久效应组合下,应符合下列条件:。Ir。PCWO-2.4 F 591317 T用号 2530343841SigjMAX (频遇效应) Sig_ALW (频遇效应)图表5使用阶段正截面抗裂验算(频遇-顶)包络图-2.4 F 59 3 7 节1口 25303138416 67.Z(Pdw)K囹田 Sig_BMAX (频遇效应) Sig_ALW (频遇效应)图表6使用阶段正截面抗裂验算(频遇-底)包络图结论:按照桥规第6.3.1-3条公式。$广。口。在07。|验算:顶缘。sL。PC=L 671 MPa(拉应力)W0. 7ffk=l855 MPa(拉应力),满足规范要求;底缘。S/Opc=L 679 MPa(拉应力)W0.7ftk=L 855 MPa(拉应力),满足规范要求;(BdW)K囹田591317节点与2530343841SigJTMAX(准永久效应)Sig_ALW(准永久效应)图表7使用阶段正截面抗裂验算(准永久-顶)包络图591317212530343841节点号Sig一BMAX(准永久效应)Sig_ALW(准永久效应)图表8使用阶段正截面抗裂验算(准永久-底)包络图结论:按照桥规第6.3.1-4条公式。1广。PCWO验算:顶缘。丘-。PC=O.000MPa(拉应力)0.000IPa(拉应力),满足规范要求;底缘。1/。PC=O000MPa(拉应力)0.000UPa(拉应力),满足规范要求;4.2 顶底板斜截面抗裂验算A类和B类预应力混凝土构件,应符合下列条件:现场浇筑(包括预制拼装)构件:otp0.5ftk4 9 -O.-O. (EdW)M回和节点号Sig-MAXSig_AP图表9使用阶段顶底板斜截面抗裂验算包络图结论:按照桥规第6.3.1-8条公式。tp0.5fk验算:。tp=l23