Slope stability analysis.pdf

《Slope stability analysis.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.(1995).G&technique45,No.2,283-293Slopestabilityanalysis:akinematicalapproachR.L.MICHALOWSKI*Astabilityanalysisofslopesbasedonatrans-L’articleprbenteuneanalysedelastabilitbdeslationalmechanismoffailureispresented.Thecol-pentesfond&esurdesm6canismesderuptureparlapsemechanismisa

2、ssumedtobeintheformoftranslation.Lem&a&medel’effondrementestrigidblocksanalogoustoslicesintraditionalsliceg&bpardesblocsrigides,6quivalentsauxtranchesmethods.Theproposedanalysis,althoughbasedondesmCthodestraditionnelles.Cetteanalyse,bienthekinematicalapproachoflimitanalysis,alwaysquefond&sur

3、uneapprochecinitmatiquedessatisfiestheequilibriumofforcesactingonallanalysesauxBtatslimites,v&Setoujoursblocksintheselectedmechanism.Allslopestabil-KquilibredesforcesagissantsurI’ensembledesityanalysesbasedonthelimitequilibriumofslicesblocs.Touteanalysedelastabiliti!despentescanbeinterpreted

4、inthecontextoftheirimplicitlyfond&surun6quilibrelimitedestranchespeutassumedcollapsemechanisms.Thestaticassump-&treinterprCtbsuivantleam6canismestionsmadeareequivalenttoassuminganarbitraryd’elfrondrementquiluisentimplicitementaffect&.strengthofthesoiloninterfacesbetweenslices.Leshypoth&essta

5、tiquespo&eslorsdecesSolutionstostabilityfactoryH/cfromallanalysesanalysesreviennentBsupposerl’existenced’unerC-basedonthelimitequilibriumofslicesfallintoasistancearbitrairedusolauniveaudescontactsrelativelynarrowrangeboundedbythesolutionsentretranches.Lesfacteursdestabi&yH/c,cal-usingtheprop

6、osedanalysisfortwoextremeculbPl’aidedesdifferentesanalysespar+uilibreassumptionsofsoilstrengthbetweentheblocks.limitedestranches,sentcomprisdansunintervalleSolutionsbeyondthisrangeobtainedbyanyrelativementCtroitdontleabornessentlesvaleursmethodofslicesindicateunreasonableconse-obtenuesil’aid

7、edel’analysepropo&epourdeuxquenceswheninterpretedinthecontextofthehypothbesextrgmesder&sistancedusolentrelesfailuremechanism.Aconvenientwaytoincludeblocs.Lesvaleurs,calc&esparn’importequeueporepressureeffectsisalsopresentedandimple-m&hodedestranche