資源描述:
《外文翻譯錨桿的力學(xué)分析及工程應(yīng)用》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在工程資料-天天文庫。
1、英文原文RockboltmechanicalanalysisanditsapplicationtoengineeringAbstractCombinedwiththe3DFEM,end-anchoredanchorageboltsweresimulatedbyimplicitanchorageboltelement.Implicitanchorageboltelementshideintheelementsofrockmassandextremelysimplifytheelementsubdivision.Thecalculatedvalueofanchoragebol
2、tstressislargerthanthemeasuredoneforthemosttime.wefurtheranalyzedthereciprocityofanchorageboltandrockmass,andthendeducedtheanalyticalequationsofanchorageboltstressandrockmassdeformationunderelasto-plasticstate.Theresultsindicatethatitisessentialtorevisetheanchorageboltsstressbyusingthefor
3、mulasdeducedwhenrockmassissoftenedorsignificantlydeformed.Finally,acasestudyindicatesthatthecalculatedresultsagreewiththosemeasured.Somehelpfulmethodsareofferdformoreaccuratesimulationofthesupporteffectandanchorageboltsrealstressstate.Keywordsimplicitelementofbolt,mechanicalanalysisonbolt
4、,elasto-plasticanalysisIntroductionLoadtransfermechanismandstrengtheningeffectofanchorboltsarethetwomajorareasofanchortheoryathomeandabroad[1].Geotechnicalinvestigatorshaveachievedagreatdealofhelpfuldatumthroughnumericalanalysis,analogtestandin-situsurveymethod[2,3].Reference[4]putforward
5、implicitboltelementmethod,appliedittonumericalcalculationoflargeundergroundengineeringandhasgainedgoodeffect.References[5,6]usedsimilarmethodtosolveidiographicproblemsanddevelopedit.ByusingMindlin’sdisplacementsolution,Reference[7]deducedtheshearingforcedistributionalonganchoragelengthofa
6、nchorageboltwhichwaspulled.Theresearchesabovejustpartiallyemphasizeoneitherloadtransfermechanismorstrengtheningeffect.Fewbandthetwotogethertostudyeffectively.Usingthecaseoflargeundergroundpowerstation,weanalyzethereciprocityofend-anchoredboltandsurroundingrockdeformationunderelastoplastic
7、state,andgetsomehelpfulconclusions.1BasicanalysisandsimplifiedhypothesesThemethodofimplicitboltelementextremelysimplifiestheelementsubdivisionofFEM,further-moresimulatesthesupporteffectofrockboltspreferably.TheentireprocessofcalculabilityisprovidedinReference[4].The