Study on material physical and mechanical characteristics tests on Tailing Dam

The article takes tailings dam material as study object. A series tests, including particles analysis test, density test, seepage test, static treaxial test and compression test were conducted to analyze the physical and mechanical properties of heap dam materials. The characteristic curve and data were received. The result can system analysis the deformation laws of dam material. Experiments show that the compression coefficient of tailings is sensitive to void ratio. Through analysis of the strength parameters of the tailings in static triaxial test, it is known that the tailings cohesion can be neglected as 0 and the change of dry density has a larger influence on strength of tailings material.