氯盐腐蚀环境下混凝土结构耐久性的思考

Pondering over Durability of Concrete Structure under The Environment of Chloride-Induced Corrosion

混凝土破坏的原因,按重要性递降顺序排列是:钢筋锈蚀、寒冷气候下的冻害、侵蚀环境的物理化学作用。而来自海洋环境和使用防冰盐中的氯离子,又是造成钢筋锈蚀的主要原因。我国是一个氯盐环境腐蚀严重的国家,提高氯盐腐蚀环境下混凝土结构耐久性已成为迫在眉睫的问题。

The reason that the concrete break, pass to decline in proper order alignment according to the importance BE： Reinforcing bar rust eclipse, the jelly that is under the cold weather harm , the physical chemical effect of the erosion environment. However the chlorine ion from the ocean environment and the usage of melting glacial salt be the main reason which results in a reinforcing bar rust eclipse. The our country is a chloride - induced corrosion environment to decay a harsh nation, Raise the problem that durability of concrete structure under the environment of chloride - induced corrosion has become of the utmost urgency.