“三下”采煤技术的应用现状和发展趋势探索

Application and Development Trend of Mine Technology under Buildings,Railways and Water

煤炭资源在我国分布十分广泛,储量也很丰富,但是许多煤层在开采过程中都有许多难以克服的困难,其中尤以"三下"煤层问题居多。"三下"煤层由于其所处的地理位置以及周边地理情况,在开采过程中容易产生不可预估的风险。文章就"三下"采煤技术的应用现状展开分析,并对其发展趋势做了简要探索。

Coal resources are widely distributed in our country,which has rich reserves, but many coal seams in the mining process has many difficulties, especially in the majority with coal seam under buildings, railways and water.Because of its geographical position of coal seam and surrounding geographical situation, it is easy to be estimated in the process of mining for mine technology under buildings, railways and water.This paper analyzes the application status of the mine technology under buildings, railways and water and indicates its development trend.