氧化铝空心球复掺玄武岩纤维轻骨料混凝土动力学性能

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (16) : 207-212.

论文

叶学华1，许金余1,2，刘俊良2

作者信息 +

Dynamic performance of alumina bubble- basalt fiber lightweight aggregate concrete

YE Xue-hua1，XU Jin-yu1,2，LIU Jun-liang2

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文章历史 +

摘要

采用直径100 mm分离式霍普金森压杆试验系统，研究不同应变率下素混凝土（PC）、玄武岩纤维混凝土（BC）、氧化铝空心球混凝土（AC）及玄武岩纤维-氧化铝空心球复合混凝土（BAC）动力学性能，构建动态本构模型。结果表明，应变率提高，4组试件动压强度、峰值应变、均值应变及破碎分形维数增大，应变率效应显著；掺入氧化铝空心球使试件强度及动弹性模量降低，峰值应变及均值应变增大，冲击变形性能增强。基于Sargin非线性弹性静态本构模型，引入率强化因子与骨料弱化因子构建材料的动态本构模型，所得拟合曲线与实测应力应变曲线吻合较好，特征强度与特征应变等基本相同。

Abstract

导出引用

叶学华1，许金余1,2，刘俊良2. 氧化铝空心球复掺玄武岩纤维轻骨料混凝土动力学性能[J]. 振动与冲击, 2015, 34(16): 207-212

YE Xue-hua1，XU Jin-yu1,2，LIU Jun-liang2. Dynamic performance of alumina bubble- basalt fiber lightweight aggregate concrete[J]. Journal of Vibration and Shock, 2015, 34(16): 207-212

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