煤炭技术
煤炭技術
매탄기술
Coal Technology
2015年
11期
13-14,15
,共3页
大采深%条带开采%冲击矿压%数值模拟
大採深%條帶開採%遲擊礦壓%數值模擬
대채심%조대개채%충격광압%수치모의
great mining depth%partial extraction%rock burst%numerical simulation
为了解决大采深条带开采工作面冲击矿压的问题,以肥城矿业集团梁宝寺煤矿3107工作面为研究背景，通过数值模拟、工作面现场实际分析，揭示该工作面沿走向超前工作面支承压力的分布状况，进而对开采期间工作面冲击危险区域进行区域划分。结果表明：随着工作面的推进，前方超前支承压力峰值不断增大，弹性应变能最大值能达到180 kJ/m3，均位于煤柱边缘处，并主要积聚在煤层中。
為瞭解決大採深條帶開採工作麵遲擊礦壓的問題,以肥城礦業集糰樑寶寺煤礦3107工作麵為研究揹景，通過數值模擬、工作麵現場實際分析，揭示該工作麵沿走嚮超前工作麵支承壓力的分佈狀況，進而對開採期間工作麵遲擊危險區域進行區域劃分。結果錶明：隨著工作麵的推進，前方超前支承壓力峰值不斷增大，彈性應變能最大值能達到180 kJ/m3，均位于煤柱邊緣處，併主要積聚在煤層中。
위료해결대채심조대개채공작면충격광압적문제,이비성광업집단량보사매광3107공작면위연구배경，통과수치모의、공작면현장실제분석，게시해공작면연주향초전공작면지승압력적분포상황，진이대개채기간공작면충격위험구역진행구역화분。결과표명：수착공작면적추진，전방초전지승압력봉치불단증대，탄성응변능최대치능체도180 kJ/m3，균위우매주변연처，병주요적취재매층중。
In order to solve the problem of rock burst in coal mine where it is with great mining depth, taking example of Liangbaosi coal mine 3107 working face where belongs to Feicheng mining group as the research backgrounds. Numerical simulation and the generate mechanism of it studied with in measurement to reveal the working face where along the strike of advance distribution of abutment pressure in working face. Then divide the mining working face where it is danger zone during the impact of regional division and numerical simulation result shows that with the increasing of working face advancing front of abutment pressure peak value,the elastic strain energy reaches the energy reaches the maximum value 180 kJ/m3 where are located in the edge of coal pillar,and mainly accumulated in coal seam.
