A micro-mechanicalmodelfordynamictensilestrength

ofconcrete-likematerial

LuYu-bin; WuHai-jun; ZhaoLong-mao

doi:10.11883/1001-1455(2013)03-0275-07

Volume 33 Issue 3

Mar. 2014

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Article Navigation > Explosion And Shock Waves > 2013 > 33(3): 275-282

Jiang Xi-bo, Rao Guo-ning, Xu Sen, Yao Miao, Ma An-peng, Peng Jin-hua. Shock initiation characteristics of expired single-base propellants[J]. Explosion And Shock Waves, 2014, 34(1): 99-105. doi: 10.11883/1001-1455(2014)01-0099-07

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LuYu-bin, WuHai-jun, ZhaoLong-mao. A micro-mechanicalmodelfordynamictensilestrength ofconcrete-likematerial[J]. Explosion And Shock Waves, 2013, 33(3): 275-282. doi: 10.11883/1001-1455(2013)03-0275-07

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A micro-mechanicalmodelfordynamictensilestrength ofconcrete-likematerial

doi: 10.11883/1001-1455(2013)03-0275-07

1.
KeyLaboratoryofTestingTechnologyforManufacturingProcess,MinistryofEducation,
2.
SouthwestUniversityofScienceandTechnology,Mianyang621010,Sichuan,China;
3.
StateKeyLaboratoryofExplosionScienceandTechnology,

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Corresponding author: LuYu-bin
Publish Date: 2013-05-25

Abstract

Abstract

Dynamicsplittingexperimentsoncementmortarspecimenswereperformedtoexperimentallyinvestigatethecrackinitiationandpropagationunde variousloadingrates.Andamicro-mechanicalmodelwasdevelopedtodeeplyanalyzethisproblem. Theresultsdemonstratethatthemicrocrackinertiaisoneofthemechanismsresponsiblefortheincreaseofdynamictensilestrengthwith strainratewhichcanbeobservedinthedynamictensileexperimentsonconcrete-likematerials
- solidmechanics,
- tensilestrength,
- dynamicsplittingexperiment,
- concrete-likematerials,
- micro-crackinertia

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