Influence of desert sand on the mechanical properties of concrete subjected to impact loading

查看全文 作　　者：Liu [1]Haifeng;Ma [1]Jurong;Wang [1]Yiying;Ning [2]Jianguo

机构地区：[1]School of Civil and Hydraulic Engineering, Ningxia University;[2]State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology

出　　处：《Acta Mechanica Solida Sinica》索引2017年第30卷第6期,共13页

基　　金：Project supported by the National Natural Science Foundation of China(Nos.51368048 and 11162015) 摘　　要：A74-mm-diameter Split Hopkinson pressure bar was used to carry out the dynamic compression experiment of concrete made of desert sand.The dynamic failure processes of concrete different in specimen size,impact velocity,desert sand replacement ratio,size and volume content of coarse aggregate were simulated.Research results showed that concrete made of desert sand had size-effect and was rate-dependent.The peak stress of concrete made of desert sand declined with the minimum size of coarse aggregate.However,the peak stress of concrete made of desert sand increased first,and then declined with the volume content and maximum size of coarse aggregate. 关键词：具体荒芜的沙机械性质装载的影响

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Influence of desert sand on the mechanical properties of concrete subjected to impact loading

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