Similar material simulation study on the mining overburden movement law in steep seam

Abstract：Similar material simulation experiment is an important means of studying ground pressure and the surrounding rock movement.This paper takes the F15-17-12041 coalface in the 13th Coal Mine of Pingdingshan Coal Industry Group Co.Ltd.as the simulative object.The mining overburden movement law of Ji Formation coal by similar material simulation experiment is studied.The overburden movement law by the analysis of the simulation experiment result is obtained.

Keyword：movement law;similar simulatiom;steep seam;