基于通过改善机制砂混凝土工作性能扩展石粉含量上限的试验研究

Analysis and Research on Upper Limit Method for Expansion of Rock Flour Content Basing on Improving the Working Performance of Machine-made Sand Concrete

通过对贵州地区机制砂中石粉含量对混凝土工作性能和力学性能进行分析,进而得出机制砂中石粉的极限掺量,采用添加引气剂来改善混凝土的工作性能,从而达到扩展石粉含量上限的目的。

The analysis of rock flour content in machine - made sand in Guizhou region on the working performance and mechanical property of concrete is made, so as to obtain the limit doped amount of rock flour in machine - made sand. The air entraining agent is adopted to improve the working performance of concrete, so as to achieve the goal of expanding the upper limit of rock flour content.