| 超缓凝高强混凝土配合比设计及性能研究 |
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| 引用本文： | 李建成,曾力,周启帆.超缓凝高强混凝土配合比设计及性能研究[J].水利与建筑工程学报,2008,6(3). |
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| 作者姓名： | 李建成 曾力 周启帆 |
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| 作者单位： | 武汉大学,水资源与水电工程科学国家重点实验室,湖北,武汉,430072 |
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| 摘 要： | 通过外加剂优选及配合比设计,配制了满足三峡工程某码头吊梁设计及施工要求的超缓凝高强度混凝土,并研究了施工工艺对该混凝土性能的影响。试验结果表明,该混凝土具有轴拉强度、劈裂抗拉强度、极限拉伸、抗压弹性模量、抗拉弹性模量、干缩率等力学及变形性能好,超缓凝,和易性优良且高流动性等特点。最后,对该混凝土的超缓凝高强度性能机理进行了探讨。
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| 关 键 词： | 超缓凝高强混凝土 高流动性 配合比设计 机理分析 性能 |
Design of Mixture Ratio and Study on Property of Super-retarded and High-strength Concrete |
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| LI Jian-cheng,ZENG Li,ZHOU Qi-fan.Design of Mixture Ratio and Study on Property of Super-retarded and High-strength Concrete[J].Journal of Water Resources Architectural Engineering,2008,6(3). |
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| Authors: | LI Jian-cheng ZENG Li ZHOU Qi-fan |
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| Affiliation: | State Key Laboratory of Water Resources and Hydropower Engineering Science;Wuhan University;Wuhan;Hubei 430072;China |
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| Abstract: | The super-retarded and high-strength concrete,which satisfies the design and construction of a wharf of Three Gorges project,is developed through optimization of additives and design of mixture ratio,and the influence of the construction technology on property of the concrete is studied.The results indicate that its axial tensile strength,splitting strength,ultimate tension,compressive elastic modulus,tensile elastic modulus and dry-shrinkage ratio and other mechanical and deformation performance are good,a... |
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| Keywords: | super-retarded and high-strength concrete high flowability design of mixture ratio mechanism analysis performance |
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