| 煤矸石对水泥基材料海水中化学稳定性的影响 |
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| 引用本文： | 朱蓓蓉,杨全兵.煤矸石对水泥基材料海水中化学稳定性的影响[J].建筑材料学报,2008,11(3). |
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| 作者姓名： | 朱蓓蓉 杨全兵 |
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| 作者单位： | 同济大学,先进土木工程材料教育部重点实验室,上海,200092 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 通过在人造海水侵蚀液中长期浸泡的试验,研究了煤矸石对水泥砂浆在海水中化学稳定性的影响,并与矿粉和粉煤灰进行了比较.结果表明,煤矸石能明显提高水泥砂浆抗海水化学侵蚀能力,但效果不如矿粉和粉煤灰.掺不同种类掺和料的水泥浆体其孔径的细化是其抗海水化学侵蚀能力提高的根本原因.
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| 关 键 词： | 煤矸石 水泥砂浆 强度 化学稳定性 孔结构 |
Effect of Coal-Gangue on Chemical Stability of Cement-Based Material Exposed to Seawater |
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| ZHU Bei-rong,YANG Quan-bing.Effect of Coal-Gangue on Chemical Stability of Cement-Based Material Exposed to Seawater[J].Journal of Building Materials,2008,11(3). |
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| Authors: | ZHU Bei-rong YANG Quan-bing |
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| Abstract: | Effect of coal-gangue on chemical stability of cement mortar exposed to seawater was investigated compared with granulated blast furnace slag and fly ash by soaking cement mortar in artificial seawater.Results show that coal-gangue can remarkedly increase chemical resistance of cement mortar to seawater,but the effect is not better than that of granulated blast furnace slag or fly ash.The reason why admixture can increase chemical resistance of cement-based material to seawater is that it can reduce pore size of cement-based material. |
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| Keywords: | coal-gangue cement mortar strength chemical stability pore structure |
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