价值工程
價值工程
개치공정
VALUE ENGINEERING
2013年
25期
49-49,50
,共2页
张新华%孙超%朱水康%李超
張新華%孫超%硃水康%李超
장신화%손초%주수강%리초
水力冲孔%卸压%增透%防突
水力遲孔%卸壓%增透%防突
수력충공%사압%증투%방돌
aulic flushing%pressure relief%antireflection%preventing outburst
通过冲孔释放了煤体内的潜能，排放了大量瓦斯，使煤层透气性明显增加，抽采半径增大，抽采效果、消突效果得到显著提高，突出区煤巷单进水平明显提升。
通過遲孔釋放瞭煤體內的潛能，排放瞭大量瓦斯，使煤層透氣性明顯增加，抽採半徑增大，抽採效果、消突效果得到顯著提高，突齣區煤巷單進水平明顯提升。
통과충공석방료매체내적잠능，배방료대량와사，사매층투기성명현증가，추채반경증대，추채효과、소돌효과득도현저제고，돌출구매항단진수평명현제승。
By punching, the coal body's potential is released, a large number of gas is exhausted, so that the coal seam permeability is increased significantly, drainage radius are increased, the drainage effect and preventing outburst effect have been significantly improved, and the outburst area roadway single-entry level is improved significantly.
