Energy-absorbing of Porous Rock Investigated Under Impact Loading

Electronic journal of geotechnical engineering

Lili Huang and Wei Shi¹ 

[1] Ningbo polytechnic, Ningbo, Zhejiang 315800 China

关键词: SHPB;    energy-absorbing;    Strain gauges;    Experiments;    Material;   

DOI  :  

来源: Oklahoma State University

【 摘 要 】

Theenergy-absorbingabilityofporousrockisaimportantdataofimpactresistant.Thedissipationofenergyintheporousrockareobtainedinthispaper.Theinfluenceoftheporosityoftherockonenergydissipationwasalsoinvestigated.Thestress-straincurvesinsandstoneofdifferentimpactvelocitieswereobtainedbytheone-dimensionalstresswavetheorywiththeSHPBexperiment.Theresultsofmeasurementsindicatethatthesemiconductorstraingaugescanbeusedtogetthevividsignalsoftheweaktransmissionstrain-pulse.Theexperimentalresultsalsoindicatethatrockporosityplaysanimportantroleintheenergydissipationprocessandtheenergydissipationincreaseswiththeporosityincreasing.

【 授权许可】

Unknown