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首页> 外文会议>International Conference of Concrete Pavement,China(耐久性水泥混凝土路面学术交流会） >Characteristics and Durability of Magnesium Phosphate Cement for Rapid Repair of Concrete Pavements
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Characteristics and Durability of Magnesium Phosphate Cement for Rapid Repair of Concrete Pavements

机译：快速修补混凝土路面的磷酸镁水泥的特性和耐久性

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This paper presents the research results on characteristics and durability of magnesium phosphate cement-based material (MPB), such as strength, coefficient of thermal expansion, drying shrinkage, corrosion protection, deicer-frost resistance, abrasive resistance and strength loss while soaking in water or 3%NaCl solution. Experimental results indicated that MPB materials possessed high deicer-frost resistance, high abrasion resistance, and high corrosion protection for reinforcing steel. In addition, the MPB materials have good compatibility and bond with old concrete, and very low drying shrinkage. However, if the MPB materials soaked in water or 3% NaCI solution for a long period of time, they would lose some strength. Both laboratory and field studies showed that the MPB materials are suitable for rapid repair of concrete structures, especially pavements, airport runways, bridge decks, and major municipal roads, etc.
机译：本文介绍了有关磷酸镁水泥基材料（MPB）的特性和耐久性的研究结果，例如强度，热膨胀系数，干燥收缩，防腐，防冻霜冻性，耐磨性和浸泡时的强度损失。或3％NaCl溶液。实验结果表明，MPB材料具有较高的抗冻霜冻性，高耐磨性和高强度的防腐性能。另外，MPB材料具有良好的相容性并与旧混凝土粘结，并且干燥收缩率非常低。但是，如果将MPB材料长时间浸泡在水或3％NaCl溶液中，则会损失一些强度。实验室和现场研究均表明，MPB材料适用于混凝土结构的快速修复，特别是人行道，机场跑道，桥面和主要市政道路等。

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