Dynamicmechanicalbehaviorofsteel-fiberreactivepowderconcrete

REN Xing-tao; ZHOU Ting-qing; ZHONG Fang-ping; HU Yong-le; WANG Wan-peng

doi:10.11883/1001-1455(2011)05-0540-08

Volume 31 Issue 5

May 2014

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REN Xing-tao, ZHOU Ting-qing, ZHONG Fang-ping, HU Yong-le, WANG Wan-peng. Dynamicmechanicalbehaviorofsteel-fiberreactivepowderconcrete[J]. Explosion And Shock Waves, 2011, 31(5): 540-547. doi: 10.11883/1001-1455(2011)05-0540-08

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Dynamicmechanicalbehaviorofsteel-fiberreactivepowderconcrete

doi: 10.11883/1001-1455(2011)05-0540-08

1.
Departmentof ModernMechanics,UniversityofScienceandTechnologyof
2.
China,Hefei400041,Anhui,China;

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Corresponding author: REN Xing-tao
Publish Date: 2011-09-25

Abstract

Abstract

Dynamiccompressiveandtensileexperimentswereconductedforthesteel-fiberreinforced reactivepowderconcrete(RPC)byusinga74-mm-diameterSHPBsetup.Thedynamicmechanical parameterswereobtainedforthesteel-fiberreinforcedRPCatthedifferentstrainratesof1~102s-1. Thedynamicstressdistributioninthespecimenwasnumericallysimulatedtovalidatethedynamic tensileexperiments.Investigatedresultsrevealthatboththedynamiccompressiveandtensilemechanicalpropertiestakeonobviousstrain- rateeffects.Withtheincreaseofstrainrate,thefollowing parametersallincreasetoacertainextent,whichincludethedynamiccompressivestrength,strain andelasticmodulus;andthedynamicsplittingtensilestrength.Andtheratioofdynamictensileto compressivestrengthhasanobservableincreasecomparedwiththeratioofstatictensiletocompressivestrength.
- solidmechanics,
- effectsofstrainrate,
- SHPB,
- reactivepowderconcrete,
- dynamiccompression,
- dynamictensile

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