Study On Ascending Mining In The Waste Of Baijiazhuang Mine

The method of ascending is in the coal seam, which contain two layers above and certain space and have some mine worth, first mine the lower coal seam and then mine the top. For this mine method is few applied in fact, and lack theory study in this method at present. But like the dried up BaiJiaZhuang mine, it is realistic meaning and application value to raise mine's turnout and prolong serving year for 6 coal in especial instance, and it is necessity to study.BaiJiaZhuang come into existence in 1930, it's history is long and do contribution for new China in Xishan area. It's coal resources has already get close to dried up, although always scoop out potential to produce in the last few years, but the raw coal of year produce from 2,000,000 tons for high peak to several 100,000 tons. The resources is dried up, mines difficulty enlargement, production cost exaltation, it's management condition continuously worsen, and bankrupt reorganization in 2004. First already abondone the 6~# coal seam of 1.7 meters have been decided to mine in 2005, guarantee the increase of coal mine turnout.The paper aim at the fact of mining 6~# coal seam in Baijiazhuang. At the base of underground exploration, surrounding strate physics mechanics parameter analysis, the theories analysis, number simulation, carry strata control observation and strata control analysis in 6~# coal seam and forecast the ground behaviour. Studied the feasibility of mine 6~# coal seam on the 8~# coal...