分析了钢筋混凝土腐蚀破坏的主要原因是钢筋腐蚀导致的混凝土胀裂.为保护钢筋混凝土研制了一种水性硅酸盐溶胶型涂料并研究了该涂料对混凝土内置网筋的保护作用及经涂料涂覆的混凝土氯离子渗透性和高压渗水性能.结果表明，涂履水性硅酸盐溶胶型涂料可明显提高与改善混凝土的耐久性.
It follows that the main course of corrosion damage of steel reinforced concrete is attributed to concrete bulge,which is induced by the corrosion of the reinforcing steel bar within the concrete.For prevention from such corrosion damage a hydrophilic paint of silicate sol was proposed to apply on the surface of the steel reinforced concrte.Then the influence of the paint on the corrosion of reinforcing steel inside the concrete after carburization treatment was examined by means of dynamic polarization curves.The influence of the pain on the chlorine ion permeation and high pressured water penetration through the concrete was also evaluated.The results indicated that the durability of the steel reinforced concrete can be enhanced markedly by applying the paint.
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