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| 混凝土耐久性影响因素研究及管控措施 摘要：混凝土的耐久性是指混凝土在实际使用过程中，应对各种内外部环境因素的破坏保持其结构稳定性、外观完整性以及使用舒适性的能力，是混凝土工程施工的核心。随着我国经济的不断发展，各施工主管部门越来越重视混凝土的耐久性，混凝土的耐久性在基建施工过程中发挥着越来越重要的作用。本文从混凝土的内部结构与使用时的外部环境出发，分析影响混凝土耐久性的因素，并结合当前的施工经验，提出如何提高混凝土耐久性的管控措施，为各施工单位提供建议。 关键词:混凝土耐久性、砼质量、碳化反应、冻融作用、腐蚀、氯离子 Abstract: The durability of concrete refers to the concrete in the actual use process, to deal with the destruction of various internal and external environmental factors to maintain the stability of the structure,the integrity of the appearance and the ability to use comfort, is the core of concrete engineering construction.With the continuous development of China's economy,construction departments pay more and more attention to the durability of concrete, concrete durability plays an increasingly important role in the process of capital construction. Based on the internal structure of concrete and the external environment when itis used, this paper analyzes the factors that affect the durability of concrete. Combined with the current construction experience,this paper proposes control measures to improve the durability of concrete and provides suggestions for each construction unit. Key Words:concret durability,concrete quality,carbonation reaction,freeze-thaw action,corrosion,chloride ion |
