| 水泥混凝土TSA侵蚀影响因素研究 |
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| 引用本文： | 严海彬. 水泥混凝土TSA侵蚀影响因素研究[J]. 四川建材, 2009, 35(4): 2-4 |
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| 作者姓名： | 严海彬 |
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| 作者单位： | 重庆交通大学,土木建筑学院,重庆,400074 |
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| 摘 要： | 碳硫硅钙石型硫酸盐侵蚀（TSA）是一种特殊的硫酸盐侵蚀形式,直接导致混凝土中C-S-H凝胶的分解,使混凝土变成一种灰白色、果肉状泥砂混合物。介绍了CO2、温度、pH值、C3A、C-S-H、水泥品种和粉煤灰等影响因素的研究情况,结合研究情况提出一些建议。
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| 关 键 词： | 碳硫硅钙石 硫酸盐侵蚀 钙矾石 |
Research on Influence Factor of the Thaumasite Form of Sulfate Attack on Cement Concrete |
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| YAN Haibin. Research on Influence Factor of the Thaumasite Form of Sulfate Attack on Cement Concrete[J]. Sichuan Building Materials, 2009, 35(4): 2-4 |
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| Authors: | YAN Haibin |
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| Affiliation: | College of Civil Architecture;ChongQing JiaoTong University;Chongqing;400074 China |
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| Abstract: | The thaumasite form of sulfate attack is a special kind of sulfate attack,the form of attack lesds to decomposition of C-S-H gel. As a result,the attacked concrete becomes a white mushy mixture. The research on influence factor such as CO2、temperature、pH、C3A、C-S-H、cement type and fly ash is expatiated. And some advice is put forward with present research. |
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| Keywords: | thaumasite sulfate attack ettringite |
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