混凝土中钢筋的腐蚀是混凝土结构破坏和修复的主要原因之一,钢筋腐蚀速率的监测和腐蚀状况的判定可以为钢筋混凝土结构的剩余载荷和结构的耐久性提供基础数据.本文叙述了混凝土中钢筋腐蚀的监测技术,包括7种基于电化学基础的测定瞬时腐蚀速率的方法和3种物理方法,给出了测定电位(或电位图)、线性极化、电化学噪音、宏观电池电流、脉冲电流、电化学阻抗谱、恒电量方法的原理、装置和实施方法.同时简单介绍了利用电阻探针法、光纤传导方法、微波反射法测定腐蚀速率和其他腐蚀相关参数(电阻率、pH、C1-)的测定方法.
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