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一、前言混凝土在海港、码头、防波堤和其它暴露于海水侵蚀的工程中应用很广,所以混凝土在海详工程中的耐久性是很重要的问题。虽然高质量混凝土在海洋中已有很好的使用记录,对钢筋混凝土的安全性及长期可靠性将提出越来越高的要求。国内外许多水泥混凝土专家对海工混凝土及其建筑物的破坏原因,和防治措施进行了许多研究。英国的F.M.Lea指出,混凝土对化学的或物理的介质的抗蚀能力,不一定与材料机械强度有关。但这样的结论总是
I. INTRODUCTION Concrete is widely used in seaports, docks, breakwaters and other projects exposed to seawater erosion, so the durability of concrete in offshore engineering is a very important issue. Although high-quality concrete has a good record of use in the ocean, higher and higher requirements are placed on the safety and long-term reliability of reinforced concrete. Many cement concrete experts at home and abroad have conducted many studies on the causes of the damage of marine concrete and its buildings, and preventive measures. The British F.M.Lea pointed out that the corrosion resistance of concrete to chemical or physical media is not necessarily related to the mechanical strength of the material. But this conclusion is always