| 机制砂在某高速铁路高性能混凝土中的应用 |
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| 引用本文： | 廖建东.机制砂在某高速铁路高性能混凝土中的应用[J].路基工程,2013,0(4):176-178. |
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| 作者姓名： | 廖建东 |
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| 作者单位： | 中铁二局第二工程有限公司，成都 610091 |
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| 摘 要： | 修建某高速铁路需要高性能混凝土。由于该地天然砂短缺，按就地取材原则，使用机制砂；采用粉煤灰、矿粉、聚羧酸高效减水剂“三掺”技术，优化混凝土配合比，所配制的高性能混凝土的工作性能、强度、耐久性均能满足设计要求。
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| 关 键 词： | 机制砂 桥梁工程 高性能混凝土 应用 |
| 收稿时间： | 2019-11-10 |
Application of High Performance Concrete with Machine-made Sand in Express Railway Engineering |
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| Authors: | LIAO Jiandong |
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| Abstract: | The construction of express railway needs high performance concrete. Subjected to short of natural sand locally, machine-made sand is used, which adopts three additives, fly ash, mineral power and polycarboxylate superplasticizer to optimize the proportion of the concrete. As a result, the performance, strength and durability of high performance concrete prepared as such can meet the design requirement. |
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| Keywords: | machine-made sank bridge engineering high performance concrete application |
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