有限元法在南京某边坡工程中的应用-吴龙生

11231．5701002．4101143．210041。MIDAS/GTS、。ApplicationofFiniteElementMethodonSlopeEngineeringinNanjingWuLongsheng1YeHaisheng1WangZengchao2BuZhengjun31．HainanElectricPowerDesignandResearchInstitute2．HunanKechuangElectricPowerEngineeringTechnologyLimitedCorporation3．NanjingGeologicalEngineeringInvestigation＆SurveyingInstituteAbstractAimedataslopeengineeringinNanjingitmainlystudiedthestabilityanalysisandreinforce-mentschemesdesignonsoilslope．UsingtheMIDAS/GTSsoftwarewhichwasbasedonthestrengthre-ductionfiniteelementmethodtheslopestabilityisanalyzedthreedimensionalfiniteelementmodelisestablishedandsimulatedforanchoranti-slidepilescombinedwithframedbeamsanchorsupportingschemesandtheresultsareanalyzedforpileinternalforcedisplacementandtheoverallslopestabilitythenitverifiesthatthewaytooptimizethesupportingschemewaseffectiveandreasonableonthepremiseofassuringthesafety．Finallythereinforcementdesignschemeofslopeissummarizedandsomemean-ingfulconclusionsareobtainedandithasreferenceforsimilarengineeringstoacertainextent．Keywordsslopestabilityslopereinforcementfiniteelementmethodreinforcementdesign1984－、。2012－01－171。。、1。、、、、。2。、、、34。MIDAS/GTSMIDAS/GTS。22∶1。49m26．6m12m23m∠170°～190°∠35°～48°1220132。47～49m4～8m20～50cm40cm。Qml、Qal3、Qdl+el、K2P。1。1/kN·m－3c/kPaφ/°c/kPaφ/°/MPaQml①1～19．419．81615141380．3①2～19．519．91913161280．3Qal3③120．020．245144012③220．220．465176015Qdl+el⑤～19．720．145164014100．3K2P⑥120．320．61002080171000．25⑥223．324．430004028003512000．2533．12510～30m。1。1。13．2MIDAS/GTSMIDAS/GTSSRM。τ=c+σtgφ。τ。τ'=τK1。KK2K。6～7。3．3MidasMIDAS/GTS－67。56m23m。6．6m、。211632542。。23．46．6m。32220132。3460cm0．9624。344。、。12m26.6m32m5．4m5．4m。1．2m×2m3m6．6m18．5m。0．3m×2m0．3m2m。+C30、400mm×400mm。1Φ2517m@3000×2000200kN。2m30°。22m17m5m6Φ25400kN1000kN。5。555．1MIDAS/GTS。310m60m×40m×10m。、Goodman8。。24785123566。XZ。、+78。632201327、85．2。910。12、3、4。2/MPa/kN·m－31950000．1878．5Φ252000000．1677C30300000．25253/kPa/kPa/kPa/m1501．0×1059．8×101118．54/kPa/kPa/kPa/°1．0×1051．0×103100355．3MIDAS/GTS、。9、10、11、12。910111242201329、10、111360kN·m、1m。16mm。12400kN802kN。、。13、14。1314131417mm。。61、。21m。。30.9621．283。。4。1．．2007．5～102．．20036～123．．20044．．20025111～35．．1996．30～456．MIDAS/GTS．2010．41～43．7．．．2010．41～438．Goodman．200423153～59．．20073353～510．．20052612～35220132