陕西煤炭
陝西煤炭
협서매탄
SHAANXI COAL
2012年
3期
98-99,85
,共3页
薄基岩%锚杆支护%数值模拟%理论计算
薄基巖%錨桿支護%數值模擬%理論計算
박기암%묘간지호%수치모의%이론계산
thin bedrock%bolt support%numerical simulation ~ theoretical calculation
针对榆家梁煤矿42216-1掘进面上覆基岩薄且松散的特点,采用数值模拟及理论计算并结合工程实际,得出锚杆最佳间排距及长度。现场检测巷道无明显下沉,取得了良好的支护效果。
針對榆傢樑煤礦42216-1掘進麵上覆基巖薄且鬆散的特點,採用數值模擬及理論計算併結閤工程實際,得齣錨桿最佳間排距及長度。現場檢測巷道無明顯下沉,取得瞭良好的支護效果。
침대유가량매광42216-1굴진면상복기암박차송산적특점,채용수치모의급이론계산병결합공정실제,득출묘간최가간배거급장도。현장검측항도무명현하침,취득료량호적지호효과。
According to the characteristics of 42216-1 heading face in Yujialiang coal mine, by using the numerical simulation, theoretical calculation method and engineering practice, the reasonable anchor supporting parameters are obtained. On-site monitoring shows that the supporting effect is good and has no signifieant roadway sinking.