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StudyofdeterminationmethodsofrockmassmechanicalparametersII:
Numericalsimulationtest
WANGXiaogang
(StateKeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,
ChinaInstituteofWaterResourcesandHydropowerResearch,Beijing 100038,China)
Abstract:Aimingatthebottleneckproblem ofdeterminingthemechanicalparametersofcomplexjointedrock
mass ,thein - depthandsystematicresearchonthenumericalsimulationtestofcomplexjointedrockmasswascon
ducted.Firstly ,thequantitativecharacterizationmethodofrockmassstructurewasproposedbasedonthejoint
networksimulation ,andtherapidgenerationtechnologyofnumericalsamplewasestablishedbasedonthetopologi
calmatrixexpressionandvirtualjointprocessing.Byintroducingthefracturemechanicstheoryintothenumerical
manifoldmethod,anumericalsimulationmethodforthewholeprocessofdeformationandfailureofcomplexjointed
rockmassincludingpropagationandpenetrationofcrackswasestablishedthen.Onthisbasis,anumericalsimula
tiontestplatformisestablishedforjointedrockmass ,whichprovidesanewapproachtodeterminethemechanical
parametersofjointedrockmassattheengineeringscale.
Keywords:rockmassmechanicalparameters;quantitativecharacterizationofrockmassstructure;rapidgenera
tionofnumericalsamples ;numericalsimulationtest
(责任编辑:李 娜)
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