Suitability evaluation of land to be reclaimed in mountainous coal mine area, Guizhou province

Abstract：Suitability evaluation of to be reclaimed land is the premise and foundation of corresponding reclamation plan.Here, differences of the surface influence caused by mining between mountainous coal mine and plain one are discussed.By putting Guojiadi coal mine, Pu'an county, Guizhou province as an example, with considering the terrain situation and division basis of the evaluation cells, the mine area is divided into seven evaluation cells: production and living area, exclusive tonstein field, heap coal yards, area for storing topsoil, connecting roads, subsidiary systems and to subside one.Furthermore, the factors for suitability evaluation are chosen and the directions of land reclamation are determined, which gives some references for similar local coal mine.

Keyword：land reclamation;suitability evaluation;evaluation cell;