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Research on SHPB Experiment of Wave-shaping Material of Concrete
Pages: 24-29
Year: Issue:  1
Journal: Journal of Southwest University of Science and Technology

Keyword:  混凝土SHPB实验波形整形应力均匀;
Abstract: 针对SHPB试验中试件的应力均匀性问题,计算分析了试件达到应力均匀时波在试件中来回透射-反射所需的最低次数,以及相对应的入射脉冲上升沿最短时间.通过Φ50 mm SHPB试验装置对C40混凝土进行冲击压缩试验,得到铜片、铝片、黄油、橡胶4种波形整形材料冲击后的入射波形,并进行分析比较.结果表明:橡胶是良好的波形整形材料,且其波形呈半正弦状.
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