Experimental Study on Durability of Air-Entrained Concrete of Qingdao Bay Bridge

机译：青岛海湾桥梁空气夹带混凝土耐久性试验研究

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摘要

The permeability, frost-resistance and deicer-frost resistance of air-entrained concrete of Qingdao Bay Bridge were studied. The results show that frost-resistance and deicer-frost resistance of concrete can be enhanced by a big margin and impermeability of concrete can be also improved by appropriate air-entrainment. The frost-resistance and deicer-frost resistance of concrete samples gathered from site were inspected and they can meet the design demand for durability of concrete Qingdao Bay Bridge.

机译：研究了青岛海湾大桥空气夹带混凝土的渗透性，抗磨损和除冰霜抗性。结果表明，通过较大的空气夹带，可以提高混凝土的冰冻抗性和混凝土冻胀抗性，并且可以通过适当的空气夹带来改善混凝土的不渗透性。检查了从现场收集的混凝土样品的冰冻耐药性和脱光剂 - 冰霜抗性，并可以满足混凝土近桥耐久性的设计需求。

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《International Conference on Civil Engineering and Transportation》|2011年||共4页
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Qianrong Yang; Baolin Guo; Quanbing Yang; Qiqian Li;
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中图分类 TU5-53;
关键词
Air entrained concrete; Frost-resistance; Deicer-frost resistance; Chloride ion penetration;

机译：空气夹带混凝土;冰冻耐磨;蜕膜霜冻;氯离子渗透;

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Experimental Study on Durability of Air-Entrained Concrete of Qingdao Bay Bridge

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