【摘要】 通过对基础混凝土和粉煤灰混凝土的配合比设计以及试验结果分析,在混凝土中掺入一定比例的粉煤灰,能有效改善混凝土的性能,提高混凝土强度,减少水泥用量,降低工程造价。乌素沟大桥混凝土结构中应用了粉煤灰混凝土,通过对结构外观、受力状况和后期效果的检查,证明粉煤灰混凝土能够满足设计要求。更多还原

【Abstract】 According to the mix design and test result analysis on foundation concrete and fly ash concrete,the incorporation of certain proportion of fly ash into concrete,can improve concrete performance,increase concrete strength,decrease cement consumption and reduce project cost.Fly ash concrete has been used in the concrete structure of Wusugou Bridge.The detection of structure appearance,stress state and later effect shows that the fly ash concrete can meet the design requirement.更多还原