Rockslopestabilityunderblastingvibrationbasedon

equivalentacceleration

CHEN Ming; LU Wen-bo; ZHOU Chuang-bing; SHU Da-qiang; XU Hong-tao

doi:10.11883/1001-1455(2011)05-0475-06

Volume 31 Issue 5

May 2014

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CHEN Ming, LU Wen-bo, ZHOU Chuang-bing, SHU Da-qiang, XU Hong-tao. Rockslopestabilityunderblastingvibrationbasedonequivalentacceleration[J]. Explosion And Shock Waves, 2011, 31(5): 475-480. doi: 10.11883/1001-1455(2011)05-0475-06

Citation:

CHEN Ming, LU Wen-bo, ZHOU Chuang-bing, SHU Da-qiang, XU Hong-tao. Rockslopestabilityunderblastingvibrationbasedon equivalentacceleration[J]. Explosion And Shock Waves, 2011, 31(5): 475-480. doi: 10.11883/1001-1455(2011)05-0475-06

Citation:

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Rockslopestabilityunderblastingvibrationbasedon equivalentacceleration

doi: 10.11883/1001-1455(2011)05-0475-06

1.
StateKeyLaboratoryof WaterResourcesand HydropowerEngineeringScience,
2.
WuhanUniversity,Wuhan 430072,Hubei,China;
3.
KeyLaboratoryofRockMechanicsin HydraulicStructuralEngineering,

Funds:

NationalNaturalScienceFoundationofChina(51079111,50839004)

NationalBasicResearchProgramofChina(973Program)(2011CB013501)

NationalKeyTechnologyRDProgram (2008BAB29B01)

More Information

Corresponding author: CHEN Ming
Publish Date: 2011-09-25

Abstract

Abstract

Basedonthelimitequilibrium methodforrigidblockandtheequivalentaccelerationmethod, accordingtotheattenuationprincipleofthepeakblastingvibrationvelocityandthetimehistory ofthevelocity,thetime-historycurveofthedynamicstabilitysafetyfactoroftheslopeunderblastingvibrationwasobtainedbyanalyzingthewholeblastingvibrationpr cessatacertaintimestep.Analysisindicatesthatfortheslopeswithbetterstability, thesafetyfactorisgenerallyreducedby2% to4% underblastingvibration,andthehigherthemainfrequencyis,thegreaterthestabilitysafety factoris.Whiletheregularreductionmethodmayenlargetheblastingvibrationharmfulnesstothe slopestability.
- mechanicsofexplosion,
- safetyfactor,
- limitequilibrium method,
- blastingvibration,
- equivalentacceleration,
- rockslope