Comprehensive treatment and ecological restoration of mine geological hazards for Yanchi mountain in Jinan City

The mining of underground iron ore in Yanchi mountain causes many geological disasters, such as mountain collapse, ground fissures, collapse and unstable slope, which threatens the safety of people’s lives and property, and causes ecological environment problems such as soil erosion, topographic landscape destruction and vegetation damage. According to the causes and current situation of geological hazards and ecological environment in Yanchi mountain, comprehensive treatments such as filling goaf and ground fissures, cutting slope to eliminate danger, building retaining wall and drainage ditch, hanging net spraying and slope greening have been taken to eliminate hidden dangers of geological hazards and restore ecological environment. These measures have achieved remarkable governance results, which can provide reference for comprehensive control and ecological restoration of mine geological hazards in similar areas.