Experimentalstudyofmoistureeffectsondynamic

compressionpropertiesofunsaturatedclay

DingYu-qing; TangWen-hui; XuXin; RanXian-wen

doi:10.11883/1001-1455(2013)06-0625-06

Volume 33 Issue 6

Apr. 2014

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DingYu-qing, TangWen-hui, XuXin, RanXian-wen. Experimentalstudyofmoistureeffectsondynamiccompressionpropertiesofunsaturatedclay[J]. Explosion And Shock Waves, 2013, 33(6): 625-630. doi: 10.11883/1001-1455(2013)06-0625-06

Citation:

DingYu-qing, TangWen-hui, XuXin, RanXian-wen. Experimentalstudyofmoistureeffectsondynamic compressionpropertiesofunsaturatedclay[J]. Explosion And Shock Waves, 2013, 33(6): 625-630. doi: 10.11883/1001-1455(2013)06-0625-06

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Experimentalstudyofmoistureeffectsondynamic compressionpropertiesofunsaturatedclay

doi: 10.11883/1001-1455(2013)06-0625-06

1.
InstituteofEngineeringPhysics,CollegeofScience,

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Corresponding author: TangWen-hui
Publish Date: 2013-11-25

Abstract

Abstract

Abstract:Dynamiccompressionexperimentswereperformedwithamodifiedsplit-Hopkinsonpressurebartoexploretheeffectsofmoisturecontentonthedynamiccompressionpropertiesofunsaturatedclayundertheconstantstr in-rateloading.Theexperimentalresultsindicatethatwhenthewatercontentislow, thewateraddedintheclay,theradialformationofwhichisconfined,actsaslubricantandcanreducethefrictionbetweentheclayparticlessothattheunsaturatedlayiscompressed moreeasilythanthedryclay.Butwiththeincreasingofthewatercontent,thevoidsaregradually displacedbywater,makingitdifficultforclayparticlestodisplacetheinterstitialgaps,consequently, theclaymarkedlybecomesgoodinanti-compressionproperties.Andasthewatercontentincreases, thetotalenergyabsorbedbytheclaydecreases,inwhichtheportionofthevolumetricdeformation energyincreasesandtheportionofthedeviatoricdeformationenergydescends.
- solidmechanics,
- dynamiccompressionproperty,
- SHPB,
- clay,
- moisturecontent,
- energy absorption