| C50级高性能混凝土研究及在南水北调中线生产桥中的应用 |
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| 引用本文： | 李鹤龄,孙洪全. C50级高性能混凝土研究及在南水北调中线生产桥中的应用[J]. 南水北调与水利科技（中英文）, 2009, 7(5): 42-43,59. DOI: 10.3969/j.issn.1672-1683.2009.05.011 |
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| 作者姓名： | 李鹤龄 孙洪全 |
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| 作者单位： | 河北省水利工程局,检测试验中心,石家庄,050021 |
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| 摘 要： | 南水北调中线京石段桥梁C50级混凝土,既要求高性能,又控制碱含量.在配合比设计中采用粉煤灰、矿渣粉及聚羧酸系高性能减水剂联掺的技术措施,较好地解决了上述难题,工程应用取得较好的技术经济效果.
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| 关 键 词： | C50级混凝土 碱含量 掺合料 高效减水剂 配合比 南水北调中线工程 |
Research and Application on High Performance Concrete (Grade C50)in the Beijing-Shijiazhuang Section Project of the Middle Route of South-to-North Water Diversion |
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| LI He-ling,SUN Hong-quan. Research and Application on High Performance Concrete (Grade C50)in the Beijing-Shijiazhuang Section Project of the Middle Route of South-to-North Water Diversion[J]. South-to-North Water Transfers and Water Science & Technology, 2009, 7(5): 42-43,59. DOI: 10.3969/j.issn.1672-1683.2009.05.011 |
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| Authors: | LI He-ling SUN Hong-quan |
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| Affiliation: | Monitoring and Experimental Center;Hebei Water Conservancy Engineering Bureau;Shijiazhuang 050021;China |
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| Abstract: | Concrete (Grade C50) for bridges of the Beijing-Shijiazhuang Section in Middle Route of South-to-North Water Diversion should be both high performance and controlled alkali content.It is achieved by using the technical measure of mixing fly ash,pulverized slag and WJF together in the ratio preparation and a better technical and economic effect is obtained during its application. |
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