Research on Coal Mine Goaf Restoration Based on Stability of Overlying Rocks and Numerical Simulation Analysis: A Case Study of Jingmen Garden Expo Park

Goaf restoration is an important part of urban space management. With mining coal resources, appearance goaf and subsidence areas causes serious geological disasters environmental ecological problems, which significantly affect safety, development, construction. Therefore, repair goafs crucial. In this study, the Jingmen Garden Expo Park was taken as example. Through acquisition engineering condition parameters data on combined with mechanical selected for site, deformation mechanism overlying strata analyzed, a numerical model established. On basis, FLAC(3D) used simulation to evaluate stability goaf; suitability site evaluated divided, in studied. The results showed that different degrees construction various facilities buildings could be carried out goaf. Based varying goaf, appropriate path suggested according these degrees. green, innovative, sustainable design can paths order establish green system Park.