机制砂加特细砂配制泵送混凝土的应用

Experiment and Application of Pumped Concrete Made up of Machine-made Sand and Super-fine Sand

将机制砂、特细砂优化组合成为级配良好的中砂配制泵送混凝土 ,解决了特细砂不能用于重要的混凝土工程以及单独用机制砂配制流态混凝土内实外不美的难题。在实际工程应用中取得了较好的经济效益和社会效益。

The well\|graded medium sand consisting of optimum mixture of machine\|made sand and super\|fine sand is used for preparation of pumped concrete, and good social and economic benefits are achieved.