| 预制梁用C50缓凝早强大流态混凝土的研制与应用 |
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| 引用本文： | 秦华东,孟伟峰,来立志.预制梁用C50缓凝早强大流态混凝土的研制与应用[J].混凝土,2006(4):65-69. |
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| 作者姓名： | 秦华东 孟伟峰 来立志 |
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| 作者单位： | 深圳市市政工程总公司,深圳市,518034 |
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| 摘 要： | 根据南坪项目预制箱梁的特点,在深圳地区现有的地材的基础上,采用正交法优化配合比,配制出了优质的缓凝早强大流态混凝土,满足了正常施工的要求和预制箱梁的质量要求.
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| 关 键 词： | 缓凝 早强 大流态 正交法 |
| 文章编号： | 1002-3550-（2006）04-0065-05 |
| 收稿时间： | 2005-12-18 |
| 修稿时间： | 2005-12-18 |
The development and application of C50 retarded and high-early strength and large flow pattern concrete used in precast beam |
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| QIN hua-dong,MENG wei-feng,LAI li-zhi.The development and application of C50 retarded and high-early strength and large flow pattern concrete used in precast beam[J].Concrete,2006(4):65-69. |
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| Authors: | QIN hua-dong MENG wei-feng LAI li-zhi |
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| Affiliation: | Shenzhen Municipal Engineering Co. ,Shenzhen,518034,shenzhen,China |
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| Abstract: | According to the feature of Nanping item precast box-beam, in the foundation of Shenzhen area existing place and material, using the onhogonal law to optimize mixture ratio, We have formulated high quality retarded and high-early strength and large flow pattern concrete, which satisfied the normal construction request and the precast box-beam quality requirement. |
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| Keywords: | retardation high-early strength large flow pattern onhogonal law |
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