JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (2): 45-51.

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Research on the bondperformance of polyvinyl alcohol-engineered cementitious composite to concrete

BU Liang-tao, ZHOU Ning, LU Chen, LI Wei   

  1. College of Civil Engineering, Hunan University, Changsha 410082, China
  • Received:2011-02-21 Online:2012-04-20 Published:2011-02-21

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Abstract:

为了研究聚乙烯醇纤维砂浆(PVA-ECC)与混凝土之间的粘结性能,通过钻芯拉拔试验分析了混凝土强度等级、界面剂类型、聚乙烯醇纤维水泥砂浆强度等级3种因素对聚乙烯醇纤维水泥砂浆与混凝土之间粘结性能的影响,最后用Table Curve 3D软件拟合PVA-ECC与混凝土界面的钻芯拉拔强度受3因素影响的回归公式。研究结果表明:混凝土的强度等级对界面粘结性能影响极不显著,而聚乙烯醇纤维水泥砂浆强度等级对界面粘结性能影响显著,界面剂因素影响高度显著。公式计算结果与试验结果吻合良好。

Key words: 聚乙烯醇纤维砂浆, 混凝土, 粘结性能, 钻芯拉拔, 界面剂, 显著性

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