The Study on used Properties of Mine Tailings Sand

摘要

Nowadays, there are a large number of mining tailings in China, ore tailings not only pollute the environment, but also consume plenty of land resources, even threat the safety of people's life. In this article, researches have been done to gradation of grain of tailings in QinHuangdao by the test, and compressive strength and loss on ignition with different volume of tailing concrete.