大山口水电站大坝基础混凝土工程质量事故分析

Analysis of Engineeing Quality Damage of Main Dam Foundation Concrete in Dashankou Hydropower Station

混凝土双掺(掺粉煤灰和外加剂)是目前国内外混凝土应用的一项先进技术。但是,在混凝土掺粉煤灰或缓凝性减水剂不适当时,也会发生工程质量事故。该文具体介绍了新疆开都河大山口水电站大坝基础混凝土发生的这类工程质量事故情况;分析了事故原因;并探讨了定量分析事故原因的试验方法。

Double addition in concrete(adding flyash and admixture) is an adraneed technology which is widely used at home and abroad. However, engineeing quality damage may be Caused by the unsuitble adding of fly ash or setretarding and water-reclucing admirlure. The cause for the damage is also analysed and the experimental method for quantitation analysis of the damage is dereloped.