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时间:2019-03-03
《Limit analysis with anisotropic fibre-reinforced soil.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、Michalowski,R.L.(2008).Ge´otechnique58,No.6,489501[doi:10.1680/geot.2007.00055]Limitanalysiswithanisotropicfibre-reinforcedsoilR.L.MICHALOWSKI*FibrereinforcementisatechnologytoimprovetheLerenforcementauxfibresestunetechniqueutilise´estrengthofsoilsusedasfillingeotechni
2、calstructures.pourrenforcerlare´sistancedessolsemploye´spourleThepropertiesofthefibre-reinforcedsandareanisotro-remblayagedestructuresge´otechniques.Lesproprie´te´spicbecauseofthedistributionoforientationofthefibres,dusablerenforce´auxfibressontanisotropes,enraisonwhic
3、hischaracterisedbyapreferredbeddingplane.Thedeladistributiondel’orientationdesfibres,caracte´rise´edevelopmentofananisotropicyieldconditionforfibre-parunplandestratificationpre´fe´re´.Lede´veloppementreinforcedsandispresented.Applicationofthekinematicd’unelimitee´lasti
4、queanisotropepourlesablerenforce´approachoflimitanalysistoanisotropicfrictionalmate-auxfibresestpre´sente´.Onde´montrel’applicationd’unerialsisdemonstrated.Aninterestingimplicationofaniso-me´thodecine´matiquedel’analysedeslimitespourdestropyisalackofuniquenessinthein
5、ternalfrictionanglematie`resa`frictionanisotropes.Uneimplicationinte´res-alongashearsurfacewithgivenorientation.Theaniso-santedel’anisotropieestl’absenced’unicite´dansl’angletropicinternalfrictionanglewasfoundtobeafunctiondefrictioninterne,lelongd’unesurfacedecisail
6、lementofthemajorprincipalstrainratedirection,andnotjustpre´sentantuneorientationdonne´e.Onareleve´queafunctionoftheorientationoftheshearsurface.Whilel’angledefrictionanisotropeinterneesttributairedelatheinclinationofprincipalstrainratedirectionscanbedirectionprincip
7、aledelavitessedede´formation,etnoninferredfromthekinematicsofthemechanismforapassimplementdel’orientationdelasurfacedecisaille-givenboundaryvalueproblem,theinternalfrictionanglement.Tandisquel’inclinaisondesdirectionsprincipalescannotbedeterminedaprioriasauniquefunc
8、tionofdelavitessedede´formationpeuteˆtresubieparlaorientationinspace.Twoexamplesarepresentedtocine´matiquedume´canisme,pourunproble`medonn
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