山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2015年
10期
13-15
,共3页
薄层间距%采空区下%沿底掘进%锚网(索)支护
薄層間距%採空區下%沿底掘進%錨網(索)支護
박층간거%채공구하%연저굴진%묘망(색)지호
thin interlayer spacing%under the gob%excavating along the bottom%anchor net (cable) support
崔庄煤矿33下01工作面位于3上煤采空区下,且与3上煤之间层间距较薄,工作面两顺槽沿底托顶煤掘进.在此情况下通过确定合理的支护参数,选用符合设计要求的等强度螺纹杆锚杆,并辅以锚索补强,保证了顶板稳定性,实现了安全支护前提下的快速掘进.
崔莊煤礦33下01工作麵位于3上煤採空區下,且與3上煤之間層間距較薄,工作麵兩順槽沿底託頂煤掘進.在此情況下通過確定閤理的支護參數,選用符閤設計要求的等彊度螺紋桿錨桿,併輔以錨索補彊,保證瞭頂闆穩定性,實現瞭安全支護前提下的快速掘進.
최장매광33하01공작면위우3상매채공구하,차여3상매지간층간거교박,공작면량순조연저탁정매굴진.재차정황하통과학정합리적지호삼수,선용부합설계요구적등강도라문간묘간,병보이묘색보강,보증료정판은정성,실현료안전지호전제하적쾌속굴진.
3301 working face is located under the gob of the uppercoal seam, the spacing between the upper and under of 3 coal seam is thin, and two entries of working face are excavated along the floor, In this case, determined the reasonable support parameters, selected the equal strength thread steel bolt that accord with the design requirements, and ensured the roof stability and the quick tunneling under the premise of safety support.
