Mathematical simulation and observation of ground subsidence basin in coal mining area
(1.Southern Yangtze University, Jiangsu Wuxi 214063, China2.Laiyang Agricultural College, Shandong 265200, China3.Kangping Supervision Agent Co. of Laiyang City, Shandong 265200, China4.Chongqing Coal Mine Design and Research Institute, Chongqing 400037, China)
Abstract: Based on a great amount of practically observational data and by computer simulation, a formula for estimating the ground subsidence caused by coal mining was derived. Meanwhile, an empirical mathematical model for ground subsidence basin in coal mining was given.
Key words: coal mining； ground subsidence basin； estimation formula； empirical mathematical model