资源描述：
《the mechanical behavior of a wire rope with an independent wire rope core.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、InternationalJournalofSolidsandStructures41(2004)1157–1172www.elsevier.com/locate/ijsolstrThemechanicalbehaviorofawireropewithanindependentwireropecoreD.Elata*,R.Eshkenazy,M.P.WeissFacultyofMechanicalEngineering,Technion––IsraelInstituteofTechnology,TechnionCity,Haifa32000,Is
2、raelReceived4November2003;receivedinrevisedform4November2003AbstractAnewmodelforsimulatingthemechanicalresponseofawireropewithanindependentwireropecoreispresented.Theropeissubjectedtobothanaxialloadandanaxialtorque.Incontrastwithpreviousmodelsthatconsidertheeffectiveresponseof
3、woundstrands,thepresentmodelfullyconsidersthedouble-helixconfigurationofindividualwireswithinthewoundstrand.Thisenablestodirectlyrelatethewirelevelstresstotheoverallloadappliedattheropelevel.Themodelassumesafiberresponseofindividualwires.Twoalternativekinematicsofthewiresarecon
4、sidered,andareusedtopredicttheelasticresponseoftherope.Thepostulatedkinematicsaretheoreticallyvalidatedandthepredictedroperesponseisinagreementwithnewexperimentaldata.Thenewmodelenablestheextractionofthestressatthewirelevelthatcanbeusedinturntoestimateglobalfeaturesoftheropes
5、uchasforceinteractionbetweenwires,ropestiffness,strength,andfatiguelife.Ó2003ElsevierLtd.Allrightsreserved.Keywords:Wirerope;Double-helix;Multistrandconstruction1.IntroductionMostwireropesareconstructedfromeitherasinglestrand,orfromseveralstrandsthatarewoundaroundacore.Thiscor
6、emayeitherbeastrandinitselforitmaybeafibrousordeformableelement.Thestrandisconstructedofwiresthatarewoundaroundacentralwire.Insingle,straightstrands,allwoundwiresareeachconfiguredasasingle-helix.However,inawoundstrandeachwire(exceptforthecentralwireofthestrand)isconfiguredasadou
7、ble-helix.Thedesignofwireropecross-sectionsdatesbacktothelate1800Õs(Sayenga,1980),andhasbeencontinuouslyimprovedsince.Manyanalyticalstudiesofamulti-layersinglestrandconstructionhavebeenproposedinliterature(CardouandJolicoeur,1997).Hruska(1952a,b)andLanteigne(1985),modeledthem
8、echanicalresponseofamulti-layersinglestrandconstruction,assumingafibe
