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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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