| 掺加芳纶纤维对桥隧修补混凝土干缩性能的影响 |
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| 引用本文： | 田颖,赵帅,李国忠.掺加芳纶纤维对桥隧修补混凝土干缩性能的影响[J].山东交通科技,2008(4). |
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| 作者姓名： | 田颖 赵帅 李国忠 |
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| 作者单位： | 济南大学材料科学与工程学院; |
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| 基金项目： | 济南铁路局科技计划资助项目,编号为:G0503 |
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| 摘 要： | 针对铁路路线中桥隧建筑物容易产生干缩开裂的问题展开讨论,研究了掺加芳纶纤维对修补混凝土干缩性能的影响。通过分析试验数据,发现掺加适量的芳纶纤维,可以有效减小水泥混凝土的干缩率。初步探讨了芳纶纤维减小水泥混凝土干缩率的机理。
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| 关 键 词： | 芳纶纤维 水泥混凝土 干缩率 |
Study on Performance of Aramid Fiber Reinforced Concrete |
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| TIAN Ying,ZHAO Shuai,LI Guo-zhong.Study on Performance of Aramid Fiber Reinforced Concrete[J].SHANDONG JIAOTONG KEJI,2008(4). |
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| Authors: | TIAN Ying ZHAO Shuai LI Guo-zhong |
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| Institution: | School of materials science and engineering University of Jinan;Shandong Jinan 250022 China |
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| Abstract: | It is about the shrinkage cracking always occurred in bridge and tunnel buildings of railway,the effect of filling some aramid fibers on concrete performance was stuidied.The analyzed results showed that filling some aramid fiber will enhance the anti-shrinkage performance of concrete obviously.The mechanism of aramid fibers for improving concrete performance was discussed. |
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| Keywords: | aramid fiber mortar the dry-shrinkage ratio |
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