水工钢筋混凝土碳化病害的防治季诗政建国４６年来，北京城区在主要河道上，先后兴建钢筋混凝土闸涵１３０余座。一般运行已达３０年左右。建筑物逐步老化，病害趋于严重。主要表现在：混凝土风化、冻蚀、磨损、裂缝等，而危胁最大的是钢筋混凝上碳化引起混凝上剥落与钢筋... In the 46 years since the founding of the People’s Republic of China, more than 130 reinforced-concrete gates have been built on the main rivers in Beijing. The general operation has reached about 30 years. The building is gradually aging and the disease tends to be serious. Mainly in: concrete weathering, frostbite, wear, cracks, etc., and the most dangerous is caused by carbonized concrete on the coagulation of carbonized peel and rebar ...