陕西煤炭
陝西煤炭
협서매탄
SHAANXI COAL
2012年
5期
36-37,43
,共3页
上覆采空区%探放水%钻孔%综采工作面
上覆採空區%探放水%鑽孔%綜採工作麵
상복채공구%탐방수%찬공%종채공작면
overlying goaf%water detection and water release%borehole%fully mechanized mining face
大柳塔煤矿活鸡兔井22301面是22煤三盘区首采面,工作面上覆为12301综采采空区,通过研究和估算,22301上覆采空区积水量约为228.5万m3,对22煤尤其首采面的回采构成巨大的安全隐患。利用XY-2型矿用钻机对采空区底板布置225个钻孔进行探放,结果显示：采空区各点的水位明显降低,各钻孔水量现在均以淋水为主,说明采空区积水得到成功泄放。
大柳塔煤礦活鷄兔井22301麵是22煤三盤區首採麵,工作麵上覆為12301綜採採空區,通過研究和估算,22301上覆採空區積水量約為228.5萬m3,對22煤尤其首採麵的迴採構成巨大的安全隱患。利用XY-2型礦用鑽機對採空區底闆佈置225箇鑽孔進行探放,結果顯示：採空區各點的水位明顯降低,各鑽孔水量現在均以淋水為主,說明採空區積水得到成功洩放。
대류탑매광활계토정22301면시22매삼반구수채면,공작면상복위12301종채채공구,통과연구화고산,22301상복채공구적수량약위228.5만m3,대22매우기수채면적회채구성거대적안전은환。이용XY-2형광용찬궤대채공구저판포치225개찬공진행탐방,결과현시：채공구각점적수위명현강저,각찬공수량현재균이림수위주,설명채공구적수득도성공설방。
The 22301 face is the first mining face of the third panel in Daliuta Mine and the upper is the goaf of 12301 face.By researching and estimating,the goaf water quantity is about 2.285 million m3 which is a huge security risk to the mining of 22301 face.By operating drillings using XY-2 mine drill in goaf floor,the goaf water was discharged.The detecting shows that the goaf water level has significantly decreased and the goaf water was discharged successfully.
