Residual Coal Resource Recovery and Ecological Reconstruction for Room Mining Goaf

Aiming at various disasters and ecological destruction caused by residual coal resources in room mining goaf, based on the analysis of the goaf disaster management difficulty, a innovative method was put forward to recycle the residual goaf coal pillar by using open-pit mining, reclamation land and recycling of fertile land are carried out at the same time, and then ecological reconstruction in the mined-out area is achieved.