电化学检测技术在混凝土内钢筋腐蚀研究中的应用现状与展望

钢筋腐蚀引起的混凝土结构耐久性的退化目前己成为混凝土研究领域关注的课题。钢筋腐蚀的机理是钢筋表面阴极和阳极之间的电化学反应；钢筋腐蚀速度的准确检测是结构的耐久性评估、可靠度计算、剩余寿命预测以及工程加固的前提。目前在钢筋腐蚀速度检测方面，电化学检测技术因其设备简单、测量精度高且适合于现场检测而越来越受到人们重视。本文就电化学技术在研究混凝土内钢筋腐蚀机理、检测混凝土内钢筋腐蚀速度等方面的应用现状进行了总结，并对今后需进一步研究的工作进行了探讨。

Applications of electrochemical detection techniques in concrete reinforcement corrosion

The degeneration of the concrete construction durability that caused by the corrosion of reinforcing bar now has become a pop problem in the field of concrete research.Mechanism of reinforcing bar corrosion is electrochemical reaction between the cathode and anode on reinforcing bar surface.The accurate examination of corrosion in reinforcing bar is a premise that evaluates the durability,calculates reliability,and estimates remainder life of the structure.In the current examination on the speed of reinforcing bar corrosion,the electrochemical method is more and more valued because its equipments are simple and the accuracy is high.The electrochemical examination techniques in study the reinforcing bar corrosion in concrete are summed up,and the works needed to study in the further are discussed.