Study on the Mechanical Properties of High Performance Hybrid Fiber Reinforced Cementitious Composit

来源 :The 10th International Symposium on High Performance Concret | 被引量 : 0次 | 上传用户：hxt

【摘要】

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【作者】

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Yang Hui-xian Li Jing Huang Yan-sheng

【机构】

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School of Civil Engineering and Transportation, South China University of Technology,Guangzhou 51064

【出处】

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The 10th International Symposium on High Performance Concret

【发表日期】

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2014年8期

【关键词】

：

hybrid fiber dynamic properties cementitious composites impact loading

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　　The dynamic material properties of high performance hybrid fiber reinforced cementitious composites (HFRCC) with various volumetric fractions of steel and polyvinyl alcohol (PVA) fibers were studied by the Split Hopkinson Press Bar (SHPB) test.The results show that HFRCC with higher volumetric firaction of steel fibers are more sensitive to stain rate and the dynamic compressive strength increase more prominently with the strain rate increasing, but peak strain shows the opposite trend.The PVA fibers increase the ductility of HFRCC more effectively than steel fibers.Compared to PVA fiber reinforced cementitious composites (FRCC), HFRCC present better dynamic material properties under impact loading.

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