电化学除盐后混凝土微观结构及离子迁移的试验研究

Experimental study of the microscopic structure and ions migration in concrete structure

采用电化学除盐技术可以在无需破坏原混凝土结构保护层的条件下,使侵入混凝土的氯盐排出,同时又可以使已经活化并开始锈蚀的钢筋表面重新钝化,从而实现对氯盐污染的钢筋混凝土结构进行无损、低成本、快速修复。在得出电化学除盐效率后,研究了电化学除盐对混凝土微观结构及离子迁移与分布的影响。

The electrochemistry method can release the chlorine salt in the protective layer without destruction of the original protective layer.At the same time,it can make the already active and rust-eaten surface passivation again.Thus,it can realize the quick repair of the concrete structure with chlorine salt erosion in low cost and without losses.Studyied the influence of electrochemical chloride extraction on microscopic structure and ions migration after getting chloride extraction efficiency.