钢箱梁-钢箱连续梁 计算书

PAGE13目录1设计要点 31.1总体设计 31.2主桥上部结构设计概况 31.3主桥下部结构设计概况 31.4主要材料 32计算依据 42.1设计规范及参考资料 42.2技术标准 43计算要点 43.1主要计算参数 53.2荷载及作用参数 63.3效应组合类型 73.4容许应力 73.5计算建模 83.5.1施工顺序 83.5.2计算模型 94总体静力计算 94.1支座反力 94.2结构变形 94.2.1主梁刚度 94.2.2施工阶段结构变形 94.3A主梁应力(施工方案:主跨小节段悬臂拼装) 154.3A.1第一体系 154.3B主梁应力(施工方案:主跨大节段整体吊装) 204.3B.1第一体系 204.3.2第二体系 264.4稳定计算 384.4.1整体稳定 384.4.2局部稳定 394.5主梁疲劳强度验算 414.6横隔计算 524.6.1横隔刚度验算 524.6.2横隔应力验算 534.7支点加劲肋验算 544.7.1支点加劲肋局部承压应力验算 544.7.2支点加劲肋竖向应力验算 544.8伸缩缝计算 554.9过渡墩计算 554.9.1计算参数 554.9.2计算模型 564.9.3主要计算结果 575抗震计算 605.1抗震设防原则与目标 605.2基本参数 615.3反应谱函数 625.4抗震计算模型 635.5抗震计算 645.5.1结构动力特性分析 645.5.2结构内力 645.5.3结构验算 641设计要点1.1总体设计佛陈大桥主桥为钢箱连续梁桥，跨径组合为(58.51+112.8+58.51)m，全长229.82m。1.2主桥上部结构设计概况(1)结构布置主桥为(58.51+112.8+58.51)m三跨钢箱连续梁桥，全长229.82m。边中跨比为0.519。桥梁横断面布置为:(2.5m非机动车道+人行道)+(0.75m路缘带)+(11.25m车行道)+(0.75m路缘带)+(0.5m防撞墙)=单幅桥总宽15.75m(2)钢箱梁主梁方案主梁采用变截面钢箱梁，单箱单室断面，桥面宽15.75m，箱宽7.5m，悬臂长4.125m。主墩处主梁中心高度5m，高跨比1/22.56，跨中主梁中心高度2.8m，高跨比1/40.29。1.3主桥下部结构设计概况主墩为双柱式框架墩，单幅单个轴号采用Ф2.5m桥墩配Ф2.8m钻孔桩。过渡墩桥墩采用双柱墩，每个墩柱下设2.7m厚承台，承台平面尺寸6x3m，承台下设2根φ2.0m钻孔灌注桩。1.4主要材料(1)混凝土C15:承台基础垫层C30:过渡墩承台、防撞栏、桩基C40:主墩墩身、过渡墩墩身及盖梁、支座垫石(2)钢材主体结构采用Q345qC；临时结构采用Q345qC；附属结构采用Q235B(内侧防撞栏采用Q390D)；(3)支座主墩:CQZ15000GD、CQZ15000DX(±100mm)、QZ15000SX(±100mm)；边墩:GPZ(II)4.0DX、GPZ(II)4.0SX(±200mm)。(4)伸缩缝伸缩缝:D240型伸缩缝。2计算依据2.1设计规范及参考资料(1)执行规范:《公路桥涵钢结构及木结构设计规范》(JTJ025-86)《铁路桥梁钢结构设计规范》(TB10002.2-2005)《钢结构设计规范》(GB50017-2003)《公路桥涵设计通用规范》(JTGD60-2004)《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTGD62-2004)《公路桥梁抗风设计规范》(JTG/TD60-01-2004)(2)参考规范及文献资料:《日本道路桥示方书·同解说》《钢桥、混凝土桥及结合桥》BS5400(1978~1982)《公路钢结构桥梁设计规范—征求意见稿》《现代钢桥》(上册)(吴冲主编20__年4月)2.2技术标准(1)公路等级:双向10车道(含旧桥)，一级公路XX市道路。(2)设计荷载:公路－=1\*ROMANI级。(3)桥涵设计洪水频率:1/100。(4)设计基准期:100年。(5)设计安全等级:一级。(6)环境类别:I类。(7)主桥竖曲线:R=4500m，纵坡:左侧4.0％，右侧3.6％。(8)桥梁宽度:单幅桥宽15.75m，单幅行车道净宽11.25m。(9)桥面铺装:4.5cm超高性能砼(STC)+2cm沥青混凝土铺装。(10)地震:地震动峰值加速度系数为0.10g。(11)设计基本风速:V10=31.3m/s。(12)航道等级:国家内河II级航道。(13)通航标准:设计最高通航水位:20年一遇洪水位5.794m(1985年国家高程系统)通航净高:10m，同行净宽:上底宽90m，全宽110.3m，侧高6m。(14)坐标系统:_坐标系。高程系统:1985年国家高程系统。3计算要点3.1主要计算参数(1)混凝土力学特性混凝土材料性能表混凝土标号C40C30使用结构主墩、过渡墩及盖(系)梁桩基、承台及系梁力

学

性

能弹性模量E(MPa)3.25E+043.00E+04剪切模量G(MPa)1.30E+041.20E+04泊桑比γ0.20.2混凝土抗压强度标准值(MPa)26.820.1混凝土抗拉强度标准值(MPa)18.413.8混凝土抗压强度设计值(MPa)2.42.01混凝土抗拉强度标准值(MPa)1.651.39热膨胀系数(1/℃)1.00E-051.00E-05(2)钢材力学特性按《公路桥涵钢结构及木结构设计规范》(JTJ025-86)取值。结构钢材性能表钢种Q390qCQ345qCQ235B力

学

性

能弹性模量E(MPa)2.10E+052.10E+052.10E+05剪切模量G(MPa)8.10E+048.10E+048.10E+04泊桑比γ0.30.30.3轴向容许应力[σ](MPa)210200135弯曲容许应力[σw](MPa)220210140剪切容许应力[τ](MPa)12512080屈服强度σs(MPa)390345235线膨胀系数(1/℃)1.20E-051.20E-051.20E-05钢材屈服强度及相关容许应力随板厚变化根据

《桥梁用结构钢》GB/T714-2000规定执行3.2荷载及作用参数计算采用设计参数按照《公路桥涵设计通用规范》(JTGD60-2004)的有关规定取值。(1)永久作用A、一期恒载:由程序自动计入和以集中力或均布力计算。B、二期恒载:车行道桥面铺装21.4、22.7kN/m人行道桥面铺装1.7kN/m人行道1.5kN/m人行道护栏0.6kN/m内侧钢防撞墙1.5kN/m路灯及附属、管线1.0kN/m二恒合计27.8、29.1kN/mC、基础变位:主墩2cm，过渡墩1cm；考虑不同沉降自由组合，最大沉降差为3cm。(2)可变作用1)汽车荷载:A、设计荷载为公路-I级，单向3车道，纵向折减系数按JTGD60－2004表4.3.1-5取。B、冲击系数:按自振频率选取；C、制动力:按3车道同时制动；2)人群荷载:L≤50m，3.0KN/m2。L＞150m，2.5KN/m2。50≤L＜150m，线性差值。3)温度作用:A、系统温差:整体升、降温25度B、钢箱梁梯度温度:参考英国标准(BS5400:Pt1-4:1978-82)采用。4)风载:按《公路桥梁抗风设计规范》(JTG/TD60-01-2004)，采用阵风荷载作为标准值，当风荷载参与汽车荷载组合时，桥面高度处风速Vz可取为25m/s。基本风速取31.3m/s，场地类别按A类考虑。3.3效应组合类型设计中考虑了三种荷载组合:荷载组合所包含荷载工况容许应力增大系数组合1成桥恒载+汽车+人群1组合2成桥恒载+汽车+人群+温度+风力251.25组合3成桥恒载+温度+风力31.31.25成桥恒载指包括自重、沉降在内的永久作用。3.4容许应力根据《公路桥涵钢结构及木结构设计规范》(JTJ025-86)的有关规定，在不同荷载组合下容许应力可以相应有不同的提高。Q345钢材的容许应力(86规范)荷载组合容许应力(MPa)轴向应力弯曲应力剪应力组合一200210120组合二250262.5150组合三250262.5150主梁正应力计算考虑顶底板有效分布宽度影响(参考日本规范、《公路钢结构桥梁设计规范—征求意见稿》、英国标准BS5400)。第二体系计算容许应力提高系数取1.25。有效宽度系数位置日本规范、《公路钢结构桥梁设计规范—征求意见稿》英国标准BS5400顶板底板顶板底板悬臂箱内悬臂箱内边跨支点0.7400.7640.7640.4800.5010.469边跨四分之一\\\0.7250.7470.741边跨五分之一0.7400.7640.764\\\边跨跨中0.9240.9400.9400.8740.8920.892中跨支点0.7400.7640.7640.6700.7000.680边跨四分之一\\\\\\边跨五分之一0.7400.7640.7640.8540.8670.874边跨跨中0.9780.9890.9890.9530.9570.9623.5计算建模3.5.1施工顺序3.5.1.1边跨少支架拼装、主跨小节段悬臂拼装序号备注1施工主桥桥墩钻孔灌注桩基础、桥墩墩身;车间进行钢箱梁节段制作;搭设边跨支架;安装墩顶钢箱梁段(PS),进行主梁纵向临时限位;安装边跨钢箱梁段(SS1~SS6);焊接已安装节段间的现场接缝。2拼装梁上吊机;逐段吊装施工主跨梁段(MS1~MS5);焊接已安装节段间的现场接缝。3主跨合拢连接(MS6);边跨压重段压重。4拆除临时支架及吊装设备;桥面系施工。全桥荷载试验;竣工通车。为缩短工期,两幅桥同时施工。3.5.1.2边跨少支架拼装、主跨大节段整体吊装序号备注1施工主桥桥墩钻孔灌注桩基础、桥墩墩身;车间进行钢箱梁节段制作;搭设边跨支架;安装墩顶钢箱梁段(PS),进行主梁纵向临时限位;安装边跨钢箱梁段(SS1~SS6);焊接已安装节段间的现场接缝。2拼装梁上吊机;逐段吊装施工主跨梁段(MS1~MS2);临时封航，整体吊装主跨跨中大节段62.8m(MS3~MS6)；焊接已安装节段间的现场接缝，合拢连接。3边跨压重段压重。4拆除临时支架及吊装设备;桥面系施工。全桥荷载试验;竣工通车。为缩短工期,两幅桥同时施工。3.5.2计算模型计算模型主梁、主墩、过渡墩、桩基采用梁单元模拟，桥面吊机及横隔采用节点荷载模拟。边界条件，墩梁间采用弹性约束；考虑桩土作用，桩基采用弹性约束。(58.51+112.8+58.51)m钢箱连续梁桥有限元计算模型4总体静力计算4.1支座反力支反力表(单个支座)(单位:KN)(正表示拉，负表示压)施工方案位置恒载汽车+人行标准组合最大最小最大最小主跨小节段拼装主墩-6643.2448.8-3194.6-5541.3-10250.6过渡墩-717.9491.8-1456.0-30.2-2352.3主跨大节段吊装主墩-6324.5448.8-3194.6-5114.9-9945.4过渡墩-990.3491.8-1456.0-217.4-2634.34.2结构变形4.2.1主梁刚度佛陈大桥主桥结构变形表荷载主梁部位位移方向位移值δ=|δ1|+|δ2|(cm)δ/L或H/L(计算值)δ/L或H/L

(规范限值)最大δ1最小δ2旧规范新规范汽车荷载(不计冲击)主跨竖向2.58-10.681/8501/10561/600边跨竖向2.66-2.611/11311/22001/600主梁结构刚度满足规范要求。主跨挠跨比为1/1056＜1/1600，按规范要求设置预拱度。4.2.2施工阶段结构变形(1)主跨小节段悬拼施工施工阶段主梁变位施工阶段主梁最大挠度(cm)墩顶PS梁段0.04边跨SS1~SS6梁段0.23主跨MS1梁段0.96主跨MS2梁段3.26主跨MS3梁段9.49主跨MS4梁段24.7主跨MS5梁段54.14主跨MS6梁段51.44二恒铺装56.85主跨小节段悬拼施工方案—施工主梁墩顶PS梁段主跨小节段悬拼施工方案—支架上拼装边跨主梁SS1~SS6梁段主跨小节段悬拼施工方案—主跨主梁吊装施工MS1梁段主跨小节段悬拼施工方案—主跨主梁吊装施工MS2梁段主跨小节段悬拼施工方案—主跨主梁吊装施工MS3梁段主跨小节段悬拼施工方案—主跨主梁吊装施工MS4梁段主跨小节段悬拼施工方案—主跨主梁吊装施工MS5梁段主跨小节段悬拼施工方案—主跨主梁吊装施工MS6梁段主跨小节段悬拼施工方案—二恒铺装(2)主跨大节段吊装施工施工阶段主梁变位施工阶段主梁最大挠度(cm)墩顶PS梁段0.04边跨SS1~SS6梁段0.23主跨MS1梁段0.96主跨MS2梁段3.26主跨MS3~6梁段22.0二恒铺装23.1主跨大节段吊装施工方案—施工主梁墩顶PS梁段主跨大节段吊装施工方案—支架上拼装边跨主梁SS1~SS6梁段主跨大节段吊装施工方案—主跨主梁吊装施工MS1梁段主跨大节段吊装施工方案—主跨主梁吊装施工MS2梁段主跨大节段吊装施工方案—主跨主梁吊装施工MS3~6梁段主跨大节段吊装施工方案—二恒铺装为满足设计成桥线型，应根据具体施工方案结合施工监控对主梁制造线型及预抛高进行设定。4.3A主梁应力(施工方案:主跨小节段悬臂拼装)4.3A.1第一体系4.3A.1.1主梁施工阶段应力计算结果施工阶段主梁最大应力包络图-上缘(MPa)施工阶段主梁最大应力包络图-下缘(MPa)施工阶段主梁最小应力包络图-上缘(MPa)施工阶段主梁最小应力包络图-下缘(MPa)施工阶段上缘最大拉应力97.8MPa，最大压应力8.7MPa；施工阶段下缘最大拉应力5.6MPa，最大压应力103.5MPa；满足规范要求。4.3A.1.2a使用阶段应力计算结果[日、中规范]使用阶段主梁应力包络图-上缘组合1(MPa)使用阶段主梁应力包络图-下缘组合1(MPa)使用阶段主梁应力包络图-上缘组合2(MPa)使用阶段主梁应力包络图-下缘组合2(MPa)使用阶段主梁应力包络图-上缘组合3(MPa)使用阶段主梁应力包络图-下缘组合3(MPa)主梁正应力验算荷载组合上缘应力(MPa)下缘应力(MPa)规范

限值是否

满足最大拉最大压最大拉最大压组合一126.437.252.0129.3210是组合二140.984.781.3139.3262.5是组合三115.651.534.3116.3262.5是4.3A.1.2b使用阶段应力计算结果[英国标准BS5400]使用阶段主梁应力包络图-上缘组合1(MPa)使用阶段主梁应力包络图-下缘组合1(MPa)使用阶段主梁应力包络图-上缘组合2(MPa)使用阶段主梁应力包络图-下缘组合2(MPa)使用阶段主梁应力包络图-上缘组合3(MPa)使用阶段主梁应力包络图-下缘组合3(MPa)主梁正应力验算荷载组合上缘应力(MPa)下缘应力(MPa)规范

限值是否

满足最大拉最大压最大拉最大压组合一175.835.154.6169.5210是组合二193.688.186.1179.5262.5是组合三151.753.036.3139.1262.5是4.3B主梁应力(施工方案:主跨大节段整体吊装)4.3B.1第一体系4.3B.1.1主梁施工阶段应力计算结果施工阶段主梁最大应力包络图-上缘(MPa)施工阶段主梁最大应力包络图-下缘(MPa)施工阶段主梁最小应力包络图-上缘(MPa)施工阶段主梁最小应力包络图-下缘(MPa)施工阶段上缘最大拉应力67.5MPa，最大压应力47.0MPa；施工阶段下缘最大拉应力64.6MPa，最大压应力65.9MPa；满足规范要求。4.3B.1.2a使用阶段应力计算结果[日、中规范]使用阶段主梁应力包络图-上缘组合1(MPa)使用阶段主梁应力包络图-下缘组合1(MPa)使用阶段主梁应力包络图-上缘组合2(MPa)使用阶段主梁应力包络图-下缘组合2(MPa)使用阶段主梁应力包络图-上缘组合3(MPa)使用阶段主梁应力包络图-下缘组合3(MPa)主梁正应力验算荷载组合上缘应力(MPa)下缘应力(MPa)规范

限值是否

满足最大拉最大压最大拉最大压组合一96.980.1111.099.2210是组合二110.9127.5140.3108.7262.5是组合三81.991.493.372.8262.5是4.3B.1.2b使用阶段应力计算结果[英国标准BS5400]使用阶段主梁应力包络图-上缘组合1(MPa)使用阶段主梁应力包络图-下缘组合1(MPa)使用阶段主梁应力包络图-上缘组合2(MPa)使用阶段主梁应力包络图-下缘组合2(MPa)使用阶段主梁应力包络图-上缘组合3(MPa)使用阶段主梁应力包络图-下缘组合3(MPa)主梁正应力验算荷载组合上缘应力(MPa)下缘应力(MPa)规范

限值是否

满足最大拉最大压最大拉最大压组合一139.585.0117.6132.0210是组合二156.6133.9149.1142.3262.5是组合三116.698.899.4101.6262.5是4.3.2第二体系4.3.2.1计算方法一——P-E法(1)计算假定:桥面板(含U肋)支承与主梁(腹板)上的连续板，取三个横隔节间板计算，假定腹板及横隔为刚性。。(2)加载:轮载，按照规范《JTGD60-2004》第4.3.1.5条，取两个后轴车轮荷载。(3)边界条件:约束底板与腹板交界线的位移。(4)计算工况:A、轮载作用在横隔及两个腹板中间；B、轮载作用在两个腹板中间，并靠近横隔；节段有限元模型(5)主要计算结果工况一:桥面板等效应力云图(单位:Pa)桥面板顺桥向应力云图(单位:Pa)桥面板横桥向应力云图(单位:Pa)桥面板主拉应力云图(单位:Pa)桥面板主压应力云图(单位:Pa)顶板U肋等效应力云图(单位:Pa)顶板U肋顺桥向应力云图(单位:Pa)顶板U肋横桥向应力云图(单位:Pa)顶板U肋竖向应力云图(单位:Pa)顶板U肋主拉应力云图(单位:Pa)顶板U肋主压应力云图(单位:Pa)工况二:桥面板等效应力云图(单位:Pa)桥面板顺桥向应力云图(单位:Pa)桥面板横桥向应力云图(单位:Pa)桥面板主拉应力云图(单位:Pa)桥面板主压应力云图(单位:Pa)顶板U肋等效应力云图(单位:Pa)顶板U肋顺桥向应力云图(单位:Pa)顶板U肋横桥向应力云图(单位:Pa)顶板U肋竖向应力云图(单位:Pa)顶板U肋主拉应力云图(单位:Pa)顶板U肋主压应力云图(单位:Pa)第二体系最大拉应力为56.6MPa,最大压应力为57.9MPa,应力叠加以后，容许应力应进行修正(日本规范提高40%(84MPa),美国规范提高25%(52.5MPa))。主梁应力满足要求。4.3.2.2计算方法二——格子梁法(1)计算假定:结构横隔板间距为2.5m，箱梁腹板间距为7.5m。将U形纵肋简化为支承于主梁和横隔腹板上的梁隔，将顶板切开，不计顶板的剪切刚度。考虑到纵肋处顶板剪力滞影响，顶板切开时，纵肋的顶板计算宽度采用根据英国规范BS5400及《公路钢结构桥梁设计规范》征求意见稿中相关规定进行计算有效分布宽度的方法计算。简化为横隔板间2.5m一跨的单根U形纵肋及相应的顶板有效分布宽度在桥面铺装和重车车轮作用下进行验算。纵肋盖板有效计算宽度横隔间距L=2500mm等效跨径l=1500mm(规范表(8.2.5-1)纵肋间距2b=570mm宽跨比b/l=0.19纵肋翼缘单侧有效宽度λ=0.6mm规范式(8.2.5-2)盖板有效宽度be=920.2mm规范式(8.2.5-1)(2)加载:桥面铺装恒载:=0.9202*0.06*24=1.3251KN/m汽车荷载:取重车轮重为70KN，冲击系数1.3，车轮着地面积为900mm(横桥向)<400mm(纵桥向)(考虑铺装的应力扩散影响)。将车轮分布荷载简化为集中荷载计算。纵肋车轮荷载横向分配近似按杠杆法计算。(3)边界条件:n跨连续梁(跨径2.5m)。(4)计算工况:轮载作用在横隔及两个腹板中间；单元下缘应力(单位:MPa)最大拉应力52.5MPa，与“连续支承板”计算模型计算结果接近(56.6MPa)。满足规范要求。4.4稳定计算4.4.1整体稳定主桥一阶屈曲模态为主墩纵向，屈曲稳定系数为44.2。钢箱主梁一阶屈曲模态为主梁竖向，屈曲稳定系数为1285。4.4.2局部稳定4.4.1.1钢箱梁底板局部稳定钢箱梁底板局部稳定满足规范要求。4.4.1.2钢箱梁底板加劲肋局部稳定钢箱梁底板加劲肋局部稳定满足规范要求。4.4.1.3钢箱梁腹板局部稳定本桥钢腹板同时设置了水平和竖向加劲肋，根据《公路桥涵钢结构及木结构设计规范》(JTJ025-86)第1.5.10条第五项规定，为了保证板梁腹板的局部稳定，应满足以下条件:五、当既设置竖向加劲肋又设置水平加劲肋时，竖向加劲肋除满足第四项规定(当仅设置竖向加劲肋加强腹板时，其每侧加劲肋的伸出肢肢宽不宜小于40mm+1/30腹板计算高度，肢厚不宜小于肢宽的1/15)外，其截面对板梁中线的惯性矩不应小于水平加劲肋对梁中线的惯性矩不应小于钢箱梁腹板加劲肋局部稳定满足规范要求。4.5主梁疲劳强度验算4.5.1按公路《桥规》验算[有效宽度系数-日本规范]1、主跨小节段悬臂拼装施工方案疲劳强度验算-上缘单元最大最小ρ受力

模式容许应力

类别基本疲劳容许

应力[σn0]疲劳容许

应力[σn]疲劳

验算富余125.7-19.1-0.74拉压B190131.4满足411%225.9-20.5-0.79拉压B190128.8满足397%325.7-24.4-0.95拉压B190121.0满足371%426.5-28.7-0.92压拉B190124.7满足371%527.4-31.0-0.88压拉B190128.0满足367%628.8-33.3-0.86压拉B190129.7满足350%731.3-36.0-0.87压拉B190129.3满足313%834.0-37.4-0.91压拉B190125.9满足270%935.7-37.8-0.94压拉B190123.0满足245%1038.0-37.9-1.00拉压B190118.9满足213%1142.0-37.1-0.88拉压B190124.2满足196%1246.6-35.1-0.75拉压B190130.9满足181%1352.9-32.4-0.61拉压B190138.9满足163%1454.1-30.6-0.57拉压B190141.9满足162%1559.6-28.0-0.47拉压B190148.2满足149%1669.2-22.9-0.33拉压B190158.5满足129%1779.5-16.6-0.21拉压B190168.8满足112%1889.1-10.2-0.11拉压B190177.8满足100%1990.8-7.7-0.08拉压B190180.8满足99%2097.8-2.6-0.03拉压B190187.0满足91%21110.06.50.06拉拉B190197.0满足79%22123.016.70.14拉拉B190206.9满足68%23134.026.20.20拉拉B190210.0满足57%24122.018.90.15拉拉B190209.5满足72%25126.024.30.19拉拉B190210.0满足67%26130.030.60.24拉拉B190210.0满足62%27131.035.00.27拉拉B190210.0满足60%28132.037.50.28拉拉B190210.0满足59%29124.032.70.26拉拉B190210.0满足69%30122.035.60.29拉拉B190210.0满足72%31120.035.10.29拉拉B190210.0满足75%32121.036.00.30拉拉B190210.0满足74%33123.037.90.31拉拉B190210.0满足71%34122.036.60.30拉拉B190210.0满足72%35119.034.80.29拉拉B190210.0满足76%36118.033.60.28拉拉B190210.0满足78%37121.034.60.29拉拉B190210.0满足74%38125.032.50.26拉拉B190210.0满足68%39133.037.70.28拉拉B190210.0满足58%40132.035.10.27拉拉B190210.0满足59%41129.030.50.24拉拉B190210.0满足63%42122.023.30.19拉拉B190210.0满足72%43115.016.80.15拉拉B190208.3满足81%44125.023.30.19拉拉B190210.0满足68%45110.012.00.11拉拉B190203.3满足85%4694.0-0.10.00拉压B190189.9满足102%4781.6-10.8-0.13拉压B190176.0满足116%4875.1-17.0-0.23拉压B190167.3满足123%4974.6-21.1-0.28拉压B190162.4满足118%5066.2-29.8-0.45拉压B190149.6满足126%5157.6-39.2-0.68拉压B190134.9满足134%5250.0-48.0-0.96拉压B190120.6满足141%5345.8-53.2-0.86压拉B190130.1满足184%5441.9-56.1-0.75压拉B190141.1满足237%5536.9-62.3-0.59压拉B190159.4满足332%5631.8-68.5-0.46压拉B190178.5满足461%5727.4-73.8-0.37压拉B190195.6满足614%5825.0-76.5-0.33压拉B190205.0满足720%5922.8-77.1-0.30压拉B190210.0满足821%6020.7-80.0-0.26压拉B190210.0满足914%6118.8-82.5-0.23压拉B190210.0满足1017%6217.6-84.0-0.21压拉B190210.0满足1093%6317.2-84.5-0.20压拉B190210.0满足1121%6417.1-84.6-0.20压拉B190210.0满足1128%6517.2-84.6-0.20压拉B190210.0满足1121%6617.4-84.3-0.21压拉B190210.0满足1107%6718.0-83.7-0.22压拉B190210.0满足1067%6819.5-81.9-0.24压拉B190210.0满足977%6921.6-79.1-0.27压拉B190210.0满足872%7024.0-76.0-0.32压拉B190207.5满足764%7126.4-75.2-0.35压拉B190199.8满足657%7229.0-72.3-0.40压拉B190189.8满足554%7333.7-66.8-0.50压拉B190172.0满足410%7439.0-60.3-0.65压拉B190152.4满足291%7544.3-53.8-0.82压拉B190133.5满足201%7648.4-50.7-0.95压拉B190122.2满足153%7752.8-45.3-0.86拉压B190125.4满足138%7860.8-36.3-0.60拉压B190139.9满足130%7969.7-26.6-0.38拉压B190154.6满足122%8078.3-17.6-0.22拉压B190167.4满足114%8178.7-13.7-0.17拉压B190172.0满足119%8285.3-7.3-0.09拉压B190180.7满足112%8398.13.70.04拉拉B190194.4满足98%84114.016.20.14拉拉B190207.7满足82%85129.027.90.22拉拉B190210.0满足63%86119.020.80.17拉拉B190210.0满足76%87126.027.30.22拉拉B190210.0满足67%88133.034.40.26拉拉B190210.0满足58%89136.038.70.28拉拉B190210.0满足54%90136.041.00.30拉拉B190210.0满足54%91128.035.50.28拉拉B190210.0满足64%92124.037.30.30拉拉B190210.0满足69%93121.036.00.30拉拉B190210.0满足74%94122.037.20.30拉拉B190210.0满足72%95125.039.00.31拉拉B190210.0满足68%96125.039.30.31拉拉B190210.0满足68%97122.037.50.31拉拉B190210.0满足72%98121.036.50.30拉拉B190210.0满足74%99124.037.10.30拉拉B190210.0满足69%100126.034.00.27拉拉B190210.0满足67%101134.039.00.29拉拉B190210.0满足57%102133.036.40.27拉拉B190210.0满足58%103132.031.90.24拉拉B190210.0满足59%104128.025.60.20拉拉B190210.0满足64%105124.020.10.16拉拉B190210.0满足69%106136.027.60.20拉拉B190210.0满足54%107124.017.90.14拉拉B190208.0满足68%108112.07.70.07拉拉B190198.2满足77%10999.5-1.5-0.01拉压B190188.4满足89%11092.4-6.6-0.07拉压B190182.2满足97%11190.7-9.1-0.10拉压B190179.2满足98%11281.0-15.6-0.19拉压B190170.3满足110%11370.6-21.9-0.31拉压B190160.2满足127%11460.9-27.1-0.44拉压B190150.0满足146%11555.3-29.8-0.54拉压B190143.6满足160%11654.1-31.6-0.58拉压B190140.7满足160%11747.2-34.4-0.73拉压B190132.2满足180%11842.6-36.5-0.86拉压B190125.5满足195%11938.4-37.4-0.97拉压B190119.9满足212%12036.1-37.4-0.97压拉B190121.4满足236%12134.4-37.0-0.93压拉B190124.2满足261%12231.6-35.7-0.89压拉B190127.9满足305%12329.0-33.0-0.88压拉B190128.5满足343%12427.6-30.8-0.90压拉B190127.0满足360%12526.7-28.6-0.93压拉B190123.9满足364%12625.8-24.4-0.95拉压B190121.2满足370%12725.9-20.4-0.79拉压B190129.0满足398%12825.8-19.1-0.74拉压B190131.6满足410%疲劳强度验算-下缘单元最大最小ρ受力

模式容许应力

类别基本疲劳容许

应力[σn0]疲劳容许

应力[σn]疲劳

验算富余12.4-7.9-0.30压拉B190210.0满足8648%23.7-8.3-0.45压拉B190181.4满足4764%38.3-8.0-0.96拉压B190120.5满足1353%415.7-11.8-0.75拉压B190130.9满足734%518.2-14.0-0.77拉压B190130.0满足614%620.6-17.3-0.84拉压B190126.3满足513%722.6-23.6-0.96压拉B190122.0满足440%823.5-30.8-0.76压拉B190139.4满足493%924.2-36.4-0.66压拉B190150.2满足521%1024.4-43.7-0.56压拉B190164.0满足572%1123.1-56.4-0.41压拉B190188.2满足715%1219.7-70.4-0.28压拉B190210.0满足966%1315.1-83.7-0.18压拉B190210.0满足1291%147.7-63.6-0.12压拉B190210.0满足2631%154.3-70.7-0.06压拉B190210.0满足4761%16-2.3-83.00.03压压B19017-10.3-96.30.11压压B19018-18.5-109.00.17压压B19019-18.4-88.60.21压压B19020-23.7-95.90.25压压B19021-33.0-108.00.31压压B19022-43.4-120.00.36压压B19023-53.2-132.00.40压压B19024-47.3-110.00.43压压B19025-52.3-113.00.46压压B19026-58.5-118.00.50压压B19027-63.9-120.00.53压压B19028-67.7-121.00.56压压B19029-60.1-105.00.57压压B19030-60.7-104.00.58压压B19031-61.0-102.00.60压压B19032-61.0-102.00.60压压B19033-62.7-104.00.60压压B19034-60.2-102.00.59压压B19035-58.5-99.30.59压压B19036-58.3-99.70.58压压B19037-58.2-102.00.57压压B19038-58.4-104.00.56压压B19039-66.0-121.00.55压压B19040-62.2-119.00.52压压B19041-56.6-115.00.49压压B19042-49.4-107.00.46压压B19043-43.5-102.00.43压压B19044-51.3-128.00.40压压B19045-38.7-111.00.35压压B19046-25.5-95.10.27压压B19047-13.6-81.30.17压压B19048-6.8-74.10.09压压B19049-1.7-101.00.02压压B1905011.6-88.1-0.13压拉B190210.0满足1710%5125.9-74.9-0.35压拉B190200.9满足676%5239.2-63.1-0.62压拉B190155.6满足297%5347.1-56.7-0.83压拉B190132.8满足182%5446.6-45.5-0.98拉压B190119.8满足157%5555.1-38.6-0.70拉压B190133.8满足143%5663.5-31.7-0.50拉压B190146.2满足130%5770.6-25.7-0.36拉压B190155.9满足121%5874.4-22.4-0.30拉压B190160.9满足116%5972.9-19.2-0.26拉压B190164.1满足125%6076.9-16.2-0.21拉压B190168.7满足119%6180.3-13.7-0.17拉压B190172.4满足115%6282.4-12.0-0.15拉压B190174.7满足112%6383.1-11.5-0.14拉压B190175.4满足111%6483.2-11.3-0.14拉压B190175.7满足111%6583.1-11.4-0.14拉压B190175.6满足111%6682.8-11.8-0.14拉压B190175.0满足111%6781.9-12.6-0.15拉压B190173.9满足112%6879.3-14.6-0.18拉压B190171.1满足116%6975.5-17.6-0.23拉压B190166.7满足121%7071.1-21.0-0.30拉压B190161.4满足127%7172.2-24.6-0.34拉压B190157.8满足118%7268.2-28.1-0.41拉压B190152.3满足123%7360.6-34.6-0.57拉压B190141.5满足134%7451.8-42.0-0.81拉压B190127.8满足147%7542.9-49.2-0.87压拉B190129.1满足201%7642.6-61.2-0.70压拉B190146.6满足244%7734.4-67.9-0.51压拉B190171.7满足399%7820.6-80.2-0.26压拉B190210.0满足919%795.8-93.9-0.06压拉B190210.0满足3546%80-8.0-107.00.07压压B19081-11.2-78.50.14压压B19082-18.2-86.00.21压压B19083-30.5-100.00.31压压B19084-44.2-117.00.38压压B19085-57.2-134.00.43压压B19086-48.0-106.00.45压压B19087-54.0-112.00.48压压B19088-61.2-120.00.51压压B19089-66.6-123.00.54压压B19090-70.2-125.00.56压压B19091-61.8-108.00.57压压B19092-61.4-105.00.58压压B19093-61.3-103.00.60压压B19094-61.4-102.00.60压压B19095-63.1-105.00.60压压B19096-63.1-105.00.60压压B19097-61.4-102.00.60压压B19098-61.5-103.00.60压压B19099-61.1-104.00.59压压B190100-60.5-106.00.57压压B190101-68.1-122.00.56压压B190102-64.4-121.00.53压压B190103-59.0-118.00.50压压B190104-52.8-114.00.46压压B190105-47.8-111.00.43压压B190106-53.9-133.00.41压压B190107-44.0-121.00.36压压B190108-33.7-109.00.31压压B190109-24.3-96.50.25压压B190110-19.0-89.20.21压压B190111-19.2-110.00.17压压B190112-11.0-97.00.11压压B190113-2.9-83.70.04压压B1901143.7-71.3-0.05压拉B190210.0满足5591%1157.1-64.2-0.11压拉B190210.0满足2862%11614.2-84.5-0.17压拉B190210.0满足1379%11719.0-71.1-0.27压拉B190210.0满足1005%11822.4-57.0-0.39压拉B190191.3满足754%11923.8-44.2-0.54压拉B190166.9满足601%12023.7-36.8-0.64压拉B190152.7满足544%12123.0-31.2-0.74压拉B190142.1满足518%12222.2-23.9-0.93压拉B190124.3满足460%12320.3-17.5-0.86拉压B190125.2满足517%12418.0-14.2-0.79拉压B190129.0满足616%12515.5-11.9-0.77拉压B190130.1满足739%1268.2-8.0-0.97拉压B190119.9满足1359%1273.7-8.3-0.44压拉B190182.1满足4820%1282.4-7.9-0.30压拉B190210.0满足8761%2、跨大节段整体吊装施工方案疲劳强度验算-上缘单元最大最小ρ受力

模式容许应力

类别基本疲劳容许

应力[σn0]疲劳容许

应力[σn]疲劳

验算富余125.7-19.1-0.74拉压B190131.4满足411%225.7-20.7-0.81拉压B190128.1满足398%324.9-25.5-0.98压拉B190120.5满足384%424.7-31.3-0.79压拉B190136.8满足454%524.9-34.5-0.72压拉B190143.8满足477%625.5-37.9-0.67压拉B190149.3满足485%726.7-42.5-0.63压拉B190154.7满足479%828.2-45.6-0.62压拉B190155.9满足453%929.2-46.9-0.62压拉B190155.4满足432%1030.7-48.2-0.64压拉B190153.6满足400%1133.4-49.2-0.68压拉B190148.6满足345%1236.7-49.1-0.75压拉B190141.0满足284%1340.0-48.0-0.83压拉B190132.6满足231%1441.2-46.0-0.90压拉B190127.0满足208%1543.9-44.4-0.99压拉B190119.6满足172%1651.0-41.0-0.80拉压B190128.2满足151%1759.5-36.5-0.61拉压B190138.9满足133%1867.6-31.7-0.47拉压B190148.3满足119%1969.5-29.0-0.42拉压B190152.0满足119%2075.5-24.9-0.33拉压B190158.6满足110%2185.8-17.5-0.20拉压B190169.3满足97%2296.9-9.0-0.09拉压B190180.0满足86%23107.0-0.8-0.01拉压B190189.2满足77%2498.2-4.8-0.05拉压B190184.6满足88%25102.00.40.00拉拉B190190.5满足87%26106.07.00.07拉拉B190197.8满足87%27109.012.20.11拉拉B190203.7满足87%28110.015.60.14拉拉B190207.7满足89%29104.012.60.12拉拉B190204.9满足97%30103.016.50.16拉拉B190210.0满足104%31101.016.90.17拉拉B190210.0满足108%32103.018.10.18拉拉B190210.0满足104%33105.019.70.19拉拉B190210.0满足100%34104.018.30.18拉拉B190210.0满足102%35101.016.60.16拉拉B190210.0满足108%3699.214.70.15拉拉B190208.5满足110%37100.013.70.14拉拉B190207.0满足107%38102.09.50.09拉拉B190201.2满足97%39106.011.50.11拉拉B190203.2满足92%40103.06.10.06拉拉B190197.0满足91%4196.8-1.6-0.02拉压B190188.2满足94%4287.4-11.2-0.13拉压B190176.4满足102%4379.8-18.4-0.23拉压B190166.9满足109%4483.0-18.2-0.22拉压B190167.9满足102%4568.6-29.0-0.42拉压B190151.6满足121%4654.0-40.2-0.74拉压B190131.3满足143%4741.8-50.6-0.83压拉B190133.2满足219%4835.2-56.9-0.62压拉B190155.9满足343%4931.8-63.9-0.50压拉B190173.1满足444%5023.1-73.0-0.32压拉B190207.3满足798%5114.1-82.7-0.17压拉B190210.0满足1389%526.1-91.9-0.07压拉B190210.0满足3331%531.7-97.2-0.02压拉B190210.0满足12253%54-1.5-99.50.01压压B19055-6.8-106.00.06压压B19056-12.2-113.00.11压压B19057-17.0-118.00.14压压B19058-19.4-121.00.16压压B19059-18.7-119.00.16压压B19060-21.1-122.00.17压压B19061-23.1-125.00.18压压B19062-24.3-126.00.19压压B19063-24.8-127.00.20压压B19064-25.0-127.00.20压压B19065-25.1-128.00.20压压B19066-25.0-127.00.20压压B19067-24.7-127.00.19压压B19068-23.8-126.00.19压压B19069-22.4-123.00.18压压B19070-20.3-120.00.17压压B19071-20.9-123.00.17压压B19072-19.1-120.00.16压压B19073-14.8-115.00.13压压B19074-9.8-109.00.09压压B19075-4.8-103.00.05压压B19076-1.9-101.00.02压压B190772.3-95.9-0.02压拉B190210.0满足9192%789.8-87.2-0.11压拉B190210.0满足2036%7918.4-77.9-0.24压拉B190210.0满足1041%8026.7-69.2-0.39压拉B190192.7满足622%8130.2-62.1-0.49压拉B190174.9满足479%8236.6-56.1-0.65压拉B190151.7满足315%8348.2-46.2-0.96拉压B190120.6满足150%8462.2-35.6-0.57拉压B190141.4满足127%8576.2-25.3-0.33拉压B190158.4满足108%8673.8-24.7-0.33拉压B190158.2满足114%8781.2-17.7-0.22拉压B190168.0满足107%8890.6-8.1-0.09拉压B190180.3满足99%8996.8-0.30.00拉压B190189.6满足96%90101.05.20.05拉拉B190196.1满足94%9196.23.80.04拉拉B190194.6满足102%9295.28.30.09拉拉B190200.4满足111%9394.49.50.10拉拉B190202.3满足114%9496.411.40.12拉拉B190204.5满足112%9598.913.20.13拉拉B190206.5满足109%9699.413.50.14拉拉B190206.9满足108%9797.012.00.12拉拉B190205.2满足112%9895.710.70.11拉拉B190203.7满足113%9996.510.10.10拉拉B190202.7满足110%10097.55.60.06拉拉B190196.8满足102%101102.08.00.08拉拉B190199.3满足95%102101.04.10.04拉拉B190194.7满足93%10398.1-1.5-0.02拉压B190188.3满足92%10493.8-8.3-0.09拉压B190180.5满足92%10590.0-13.5-0.15拉压B190174.3满足94%10697.5-10.7-0.11拉压B190178.3满足83%10788.1-18.4-0.21拉压B190168.8满足92%10877.6-26.3-0.34拉压B190157.9满足103%10967.9-33.1-0.49拉压B190147.0满足116%11062.2-36.8-0.59拉压B190140.2满足125%11160.3-39.6-0.66拉压B190136.3满足126%11252.7-43.9-0.83拉压B190126.7满足140%11344.7-47.7-0.94压拉B190123.6满足177%11439.4-50.5-0.78压拉B190137.7满足249%11537.0-51.7-0.72压拉B190144.4满足290%11636.0-53.8-0.67压拉B190149.7满足316%11733.1-54.2-0.61压拉B190156.9满足374%11830.3-53.7-0.56压拉B190163.2满足439%11928.0-52.0-0.54压拉B190166.9满足496%12026.9-50.3-0.53压拉B190167.4满足522%12126.1-48.7-0.54压拉B190167.3满足541%12225.0-45.0-0.56压拉B190164.4满足558%12324.2-39.7-0.61压拉B190157.1满足549%12424.0-35.9-0.67压拉B190149.8满足524%12524.0-32.3-0.74压拉B190141.5满足489%12624.6-26.0-0.95压拉B190122.9满足400%12725.6-20.8-0.81拉压B190127.7满足399%12825.7-19.1-0.74拉压B190131.4满足411%疲劳强度验算-下缘单元最大最小ρ受力

模式容许应力

类别基本疲劳容许

应力[σn0]疲劳容许

应力[σn]疲劳

验算富余12.4-7.9-0.31压拉B190209.2满足8544%24.1-8.0-0.51压拉B190170.9满足4078%39.8-6.4-0.65拉压B190136.4满足1288%420.1-7.4-0.37拉压B190155.7满足675%524.3-8.0-0.33拉压B190158.7满足553%628.6-9.3-0.32拉压B190159.1满足456%733.9-12.3-0.36拉压B190156.0满足360%837.6-16.7-0.44拉压B190150.0满足299%939.9-20.7-0.52拉压B190144.9满足263%1042.1-26.0-0.62拉压B190138.6满足229%1144.0-35.5-0.81拉压B190128.0满足191%1243.9-46.3-0.95压拉B190122.7满足180%1342.1-56.7-0.74压拉B190141.5满足236%1427.5-43.7-0.63压拉B190154.6满足462%1525.5-49.5-0.52压拉B190170.4满足568%1621.2-59.6-0.36压拉B190198.8满足838%1715.4-70.6-0.22压拉B190210.0满足1264%189.2-81.1-0.11压拉B190210.0满足2185%193.6-66.6-0.05压拉B190210.0满足5799%20-0.6-72.80.01压压B19021-8.3-83.50.10压压B19022-17.1-94.20.18压压B19023-25.6-104.00.25压压B19024-24.7-87.50.28压压B19025-29.7-90.60.33压压B19026-36.1-95.20.38压压B19027-42.0-98.40.43压压B19028-46.4-100.00.46压压B19029-42.1-87.30.48压压B19030-43.5-86.50.50压压B19031-44.6-85.90.52压压B19032