This paper introduces the actual provision about road bridge criterion controling durability, and some new methods to improve reinforced concrete bridge durability.

介绍了现行公路桥梁规范控制耐久性的规定，以及提高钢筋混凝土桥梁耐久性的新方法。

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The council said "many years of winter gritting" had "contaminated the reinforced concrete supporting the bridge" across County Road North.

BBC: Hull road closure causes long traffic delay