桥梁裂缝分析外文文献翻译

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1、桥梁裂缝分析外文文献翻译(含：英文原文及中文译文)英文原文ThebridgecrackproducedthereasontosimplyanalyseInrecentyears,thetransportationinfrastructureinourprovincehasbeenrapidlydeveloped,andalargenumberofconcretebridgeshavebeenbuiltthroughouttheprovince.Duringtheconstructionanduseofbridges

2、,reportsabouttheimpactofcracksonthequalityoftheprojectandeventhecollapseofthebridgehavebecomecommonplace.Crackingofconcretecanbedescribedas“frequently-occurringdisease”and“frequentdisease,”oftenplaguingbridgeengineeringtechnicians.Infact,ifyoutakecertaindesign

3、andconstructionmeasures,manycrackscanbeovercomeandcontrolled.Inordertofurtherstrengthentheunderstandingofcracksinconcretebridgesandavoidasmuchaspossibledamageintheproject,thispapermakesacomprehensiveanalysisandsummaryofthetypesandcausesofcracksinconcretebridge

4、ssoastofacilitatedesignandconstructiontofindoutthecontrol.Thefeasiblemethodsofcrackshaveachievedpreventiveeffect.ThetypeandcauseofcracksinconcretebridgesInfact,thecausesofcracksinconcretestructuresarecomplexandnumerous,andevenavarietyoffactorsinfluenceeachothe

5、r,buteachcrackhasoneorseveralmajorcauses.Thetypesofconcretebridgecrackscanberoughlydividedintothefollowingcategories:1.CrackscausedbyloadsThecracksproducedinconcretebridgesunderconventionalstaticanddynamicloadsandsub-stressesarecalledloadcracksandtheyaremainly

6、classifiedintodirectstresscracksandsecondarystresscracks.Directstresscracksrefertocrackscausedbydirectstressescausedbyexternalloads.Thecausesofcracksare:1.Inthedesigncalculationstage,structuralcalculationsarenotcalculatedorpartlymissed;thecalculationmodelisirr

7、ational;thestructuralforceassumptionisinconsistentwiththeactualforce;theloadiscalculatedormissed;theinternalforceandreinforcementarenotcalculatedcorrectly;thestructuralsafetyfactorisnotsufficient.Whendesigningthestructure,thepossibilityofconstructionisnottaken

8、intoaccount;thedesignsectionisinsufficient;therearefewsteelbarsorlayoutsareincorrect;thestructuralrigidityisinsufficient;theconstructionprocessisnotproperlyhandled;andthedesigndraw