| 柔性纤维混凝土的新K_R阻力曲线和双K断裂参数的试验研究 |
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| 引用本文： | 赵朝华,李建伟,魏姗.柔性纤维混凝土的新K_R阻力曲线和双K断裂参数的试验研究[J].交通标准化,2010(21):60-63. |
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| 作者姓名： | 赵朝华 李建伟 魏姗 |
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| 作者单位： | [1]重庆交通大学．重庆400074 [2]重庆市合川区人民歧府投资项日评审中心,重庆401520 |
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| 摘 要： | 基于徐世烺和H.W.Reinhardt提出的虚拟裂缝扩展粘聚力的新阻力曲线和双断裂准则,以聚丙烯纤维混凝土为例,对柔性纤维混凝土的阻裂机理进行试验研究和理论分析,总结出柔性纤维对于混凝土的阻裂作用规律,可供同行参考。
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| 关 键 词： | 新KR阻力曲线 双K断裂参数 柔性纤维混凝土 聚丙烯纤维混凝土 |
Experimental Study of New KR-resistance Curve of Flexible Fiber Reinforced and Double-K Fracture Parameters |
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| ZHAO Chao-hua,LI Jian-wei,WEI Shan.Experimental Study of New KR-resistance Curve of Flexible Fiber Reinforced and Double-K Fracture Parameters[J].Communications Standardization,2010(21):60-63. |
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| Authors: | ZHAO Chao-hua LI Jian-wei WEI Shan |
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| Institution: | 1.Chongqing Jiaotong University,Chongqing 400074,China;2.Investment Project Evaluation Center of Hechuan District People＇s Government of Chongqing,Chongqing 401520,China) |
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| Abstract: | Based on the new KR-resistance curve and double-K fracture criterion of the virtual crack extension cohesive force developed by XU Shi-lang and H.W.Reinhardt,taking polypropylene fiber reinforced concrete for an example,the experimental study and theoretical analysis on crack resistance mechanism of flexible fiber reinforced concrete are carried on,the law of flexible fiber crack resistance in concrete are summed up,which can provide reference for peers. |
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| Keywords: | new KR-resistance curve double-K fracture parameters flexible fiber reinforced concrete polypropylene fiber reinforced concrete |
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