| 武汉长江隧道抗裂混凝土的研究 |
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| 引用本文： | 胡曙光,马杰,丁庆军,肖铭钊,吕林女,何永佳. 武汉长江隧道抗裂混凝土的研究[J]. 施工技术, 2008, 37(12) |
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| 作者姓名： | 胡曙光 马杰 丁庆军 肖铭钊 吕林女 何永佳 |
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| 作者单位： | 1. 武汉理工大学,湖北,武汉,430070
2. 武汉市政建设集团有限公司,湖北,武汉,430070 |
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| 基金项目： | 国家自然科学基金项目，新材料及其加工新技术广西壮族自治区重点实验室开放基金项目 |
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| 摘 要： | 采用<混凝土结构耐久性设计与施工指南>CCES01-2004提供的平板开裂试验方法,研究了分别掺加凯泰改性聚丙烯纤维、有机仿钢丝纤维、钢纤维的混凝土的塑性收缩开裂性能.分析了不同纤维品种、掺量对混凝土开裂性的影响.研究结果表明,聚丙烯纤维对于有效抑制裂缝的产生和扩展,提高混凝土抵抗塑性收缩的能力效果最为明显,其次是钢纤维和有机仿钢丝纤维.
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| 关 键 词： | 混凝土 抗裂混凝土 塑性收缩开裂 平板法 试验研究 |
Study on Anti-crack Concrete in Yangtze River Tunnel of Wuhan |
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| Hu Shuguang,Ma Jie,Ding Qingjun,Xiao Mingzhao,Lü Linnü,He Yongjia. Study on Anti-crack Concrete in Yangtze River Tunnel of Wuhan[J]. Construction Technology, 2008, 37(12) |
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| Authors: | Hu Shuguang Ma Jie Ding Qingjun Xiao Mingzhao Lü Linnü He Yongjia |
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| Abstract: | Applying the test method of plate cracking provided by the new manual,Guide to durability design and construction of concrete structure CCES01-2004,the plastic shrinkage and cracking performance of reinforced concrete is researched,which is mixed with CAT modified polypropylene fiber,organic imitating steel wire fiber and steel fiber respectively.And the influence of different fibers and mixing amount to concrete crack is analyzed.The results show that it is effective for polypropylene fiber to inhibit the formation and extension of cracks,and it is the most obvious to improve the concrete resistance of plastic shrinkage.Secondly,it is more obvious for steel fiber than organic imitating steel wire fiber. |
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| Keywords: | concrete anti-crack concrete plastic shrinkage crack plate method experimental research |
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