Mechanism and Research Progress of Electrochemical Chloride Extraction on Steel-reinforced Concrete
Mechanism and Research Progress of Electrochemical Chloride Extraction on Steel-reinforced Concrete
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发表时间：
2007
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通讯作者：
Su Wenbo
中科院分区：
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作者：
Su Wenbo
在氯盐环境中，由于钢筋锈蚀而导致的混凝土结构过早劣化已成为目前普遍存在的问题。电化学除氯技术是一种新型的氯离子污染结构修复技术。在这个过程中，氯离子被排斥远离涂层混凝土和再钝化的钢是由外部电场的应用引起的。介绍了电化学萃取氯离子的基本机理，分析了国内外在这方面研究的进展和不足，提出了今后研究的方向。
The premature deterioration of concrete structure due to steel corrosion has become presently prevalent in the chloride environments. Electrochemical chloride extraction is presented as a novel rehabilitation technology on the chloride contaminated structures. In this process, chloride ions are repulsed away from the coating concrete and the repassivation of the steel is induced by the application of an external electric field. The basic mechanism of electricalchemical chloride extraction is introduced, the progress and deficiency in previous studies on this subject are analyzed and the necessary research in the future is proposed.