| 高韧性纤维增强水泥基复合材料与老混凝土的界面直剪试验研究 |
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| 引用本文： | 邓宗才,薛会青.高韧性纤维增强水泥基复合材料与老混凝土的界面直剪试验研究[J].公路,2011(2):118-122. |
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| 作者姓名： | 邓宗才 薛会青 |
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| 作者单位： | 北京工业大学城市与工程安全减灾省部共建教育部重点实验室,北京市,100124 |
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| 摘 要： | 高韧性纤维增强水泥基复合材料(ECC)具备很好的延展性和微裂缝宽度控制能力,通过ECC与老混凝土之间的界面直剪试验,研究高韧性复合材料与普通混凝土之间的界面黏结性能,为混凝土工程的维修或加固提供试验数据.试验结果表明:随着龄期的增加,ECC抗压强度与抗折强度逐渐提高;随着砂灰比的增加,ECC黏结试件的界面抗剪强度逐渐提...
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| 关 键 词： | ECC 延展性 直剪试验 界面抗剪强度 |
Experiment and Study on Direct Shear Behavior for Adhesion of Fiber Reinforced High Ductility Cementitious Composites on Existing Concrete |
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| DENG Zong-cai,XUE Hui-qing.Experiment and Study on Direct Shear Behavior for Adhesion of Fiber Reinforced High Ductility Cementitious Composites on Existing Concrete[J].Highway,2011(2):118-122. |
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| Authors: | DENG Zong-cai XUE Hui-qing |
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| Institution: | DENG Zong-cai,XUE Hui-qing(Key Lab.of Urban Security and Disaster Engineering,MOE,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | Fiber reinforced high ductility cementitious composites(ECC) has high ductility and could effectively control micro-crack width.The experiment of direct shear behavior is researched for adhesion of ECC on existing concrete and provides records for retrofitting or strengthening concrete.Experimental results show that compressive and flexural strength of ECC are improved with increase of age;Interface shear strength of ECC bonding specimens is improved with increase of S/C,indicating the behavior of adhesion ... |
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| Keywords: | ECC |
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