Numerical simulation of rock progressive failure on samples with a pre-existed weak zone during brittle failure*-中国期刊网

摘要 Consideringtheheterogeneityofgeomechanicalmaterials,seismicityduringbrittlerockfailureundercompressiveloadingonthesamplewithanoriginalweakzoneissimulatedbyusingrockfailureprocessanalysiscode(RFPA2D).Therun-throughprocessofweakzone,theformingofnewfaultandassociatedmicro-seismicitiesarestudied.Themodelingdemonstratesthetotalprocessofsourcedevelopmentofearthquakefromdeformation,micro-failuretocollapseandthebehavioroftemporal-spatialdistributionofmicro-seismicities.Thestress,strainandthetemporal-spatialdistributionofmicro-seismicitieslife-likelyportrayedthephenomenaoflocalizationandtemporal-spatialtransitions,whichissimilartothoseobservedinourrealcrust.Also,theresultsobtainedinsimulationsareinagreementwithorsimilartothereportedexperimentalobservations.

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Numerical simulation of rock progressive failure on samples with a pre-existed weak zone during brittle failure*

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Numerical simulation of rock progressive failure on samples with a pre-existed weak zone during brittle failure*

来源期刊

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