冻融环境下混凝土配合比的设计

摘要

介绍了大西铁路客运专线土建六标段仁义河特大桥承台在冻融2级环境下,高抗冻混凝土(C35,F300)配合比的设计与试验方法。%The paper introduces a high anti-freezing concrete mixture ( C35 , F300 ) and its test method in the construction of the 6 th Renyi River bridge pile caps of a railway passenger-dedicated line under the Level 2 freez-ing and thawing environment.