The paper states the cause of concrete necrosis and the way for controlling concrete necrosis so as to reduce or avoid producing the bridge concrete necrosis and improve the use life of the bridge.

• 混凝土坏化是桥梁主要病害之一,该文论述了混凝土坏化产生的原因,以及控制混凝土坏化的途径,从而减少或避免桥梁混凝土坏化的产生,提高桥梁的使用寿命。