Volume 31 Issue 6
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ZHENG Wen, XU Song-lin, HU Shi-sheng. Dynamicmechanicalpropertiesofdrysandunderconfinedcompression[J]. Explosion And Shock Waves, 2011, 31(6): 619-623. doi: 10.11883/1001-1455(2011)06-0619-05
Citation: ZHENG Wen, XU Song-lin, HU Shi-sheng. Dynamicmechanicalpropertiesofdrysandunderconfinedcompression[J]. Explosion And Shock Waves, 2011, 31(6): 619-623. doi: 10.11883/1001-1455(2011)06-0619-05

Dynamicmechanicalpropertiesofdrysandunderconfinedcompression

doi: 10.11883/1001-1455(2011)06-0619-05
Funds:

NationalNaturalScienceFoundationofChina(40874093)

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  • Corresponding author: XU Song-lin
  • Publish Date: 2011-11-25
  • Inordertoinvestigatetheimpactcompressiveresponseofconfineddrysand,thedynamic compressionexperimentsofdrysandatdifferenthighstrainratesanddifferentpreloadswereconductedonthemodifiedsplitHopkinsonpressureb r(SHPB)withathinrubbercircularplateasapulse shaper.Quasi-staticcompressivepropertiesofthesandwereobtainedwithaMTS810materialstest system.Thematerialstudiedinthisresearchissilicabasedgrainsand,mostsandparticlesareinthe diameterrangefrom150to245m.Thedensityofthedrysandmaterialis1.40kg/m3withoutpreload. Theresultsshowthatthecompressionresponseofthedrysandisnotsensitivetostrainrate, butsignificantlydependentonthepreload.
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