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《Concrete》 2005-01
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Frost resistance of high volume of air-entraining agents in the frosty and dry erea

LIANG Wen-quan, LUO Xiang-yu, HE Jin-rong, JIN Xue-li, TAN Jian-jun (State Key Laboratory of Water Resources & Hydropower Engineering Science,Wuhan University,Wuhan 430072,Hubei,China;Science Center of Guiyang Hydroelectric Investigation & Design Institute,State Power Corporation,Guiyang 550002,Guizhou,China)  
This paper deals with the internal frost resistance of RCC in the frosty and dry area.The frost resistance in the frosty and dry area is in the low level because it is hard to entrain the air in the RCC.Influence on internal frost resistance,strength and permeability of RCC in different air entrainments,fly ash contents and water-binder ratios were studied.It was showed from the results that high air entrainment and the low water-binder ratios can increase the frost resistance.
【CateGory Index】: TU528.1
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