Research of the Mining Subsidence in Tong Chuan Mining Area Forecasting System Based on Catastrophe Theory

摘要

Mining subsidence is the main geological disaster in the mountainous area of Tong Chuan coal mining area of Shaanxi province province. . The geological disaster control and forecasting system of Tong Chuan coal mining area was put forward already already,,,, but the forecasting system was not proved to be idea ideal. l. In order to improve the result accuracy of the forecasting system, this paper set up aaaa new disaster forecasting model through Catastrophe Theory Theory. . The characters and distributing rule were analyzed carefully on mining subsidence of Tong Chuan mining area. The elasticity was used to analyze the developing mechanism of mining subsidence, and the Catastrophe Theory was used to set up the model on identification of mining subsidence disaster. At last the similar material simulation validated that the forecasting is accurate accurate. . The results of the paper are the following: The main geological factors of controlled the mining subsidence disaster are large mining depth and small mining height and thick bedrock and thin unconsolidated layers layers. . When the length of working face exceeded 220m, the earth earth’’’’ssss surface would distort to destroy the buildings so that the mining subsidence disaster would occur. The results show that the forecasting forecastingsystem system has high accuracy, so this research plays aaaa vital role in the geological disaster control and forecasting system of Tong Chuan Ming Area.