含石粉机制砂混凝土的性能及应用技术研究

分析我国机制砂生产与应用中的难题，较为全面地介绍机制砂中石粉对混凝土的影响以及高含石粉机制砂混凝土配制技术与方法。研究表明，高石粉机制砂的应用不仅改善了机制砂混凝土的性能，且大大扩大了机制砂的应用范围，可降低机制砂生产成本，减少工程造价。

Property and Applying Technology of Manufactured Sand with Stone Powder

This paper analyzes the issues of the production and application of manufactured sand in China, introduces in the general the influence of stone powder on the concrete, as well as the preparation technology and methods of high powder content manufactured sand concrete. The research shows that application of high powder content manufactured sand can not only improve the performance of manufactured sand concrete, but enlarge its applying range, which is able to reduce the manufacturing expenses and save the project cost.