【摘要】 介绍了机制砂在南渝高速公路的实际应用情况,研究和分析了机制砂和天然砂的区别、机制砂混凝土的工作机理以及机制砂作为低强度混凝土的细集料和高强度混凝土的细集料时的工作特性。结果表明机制砂在高速公路工程中的应用是可行的。更多还原

【Abstract】 This paper mainly introduces the practical application of the machine-made sand in the Nanyu expressway. On the basis of this, it studies and analyzes the distinction of the machine-made sand and the natural sand, as well as the working principles of the concrete of machine-made sand and machine-made sand as fine aggregate of concrete, then the construction technology demands can be satisfied. The result shows that using machine-made sand in the expressway project is feasible.更多还原