能源与节能
能源與節能
능원여절능
SHANXI ENERGY AND CONSERVATION
2015年
7期
41-42
,共2页
3#煤层%房柱式开采%顶板%冒落特征
3#煤層%房柱式開採%頂闆%冒落特徵
3#매층%방주식개채%정판%모락특정
3# coal seam%room and pillar mining%roof%roof fall characteristics
以西河煤业3#煤层房柱式开采作为研究对象,采用现场调研、数值模拟和理论计算相结合的方法,分析西河煤业残留煤房柱式开采顶板冒落特征,得到西河煤业3#煤层残留煤房柱式开采的围岩应力分布规律、围岩破坏特征和顶板冒落高度等参数,并对其冒落特征进行分类。
以西河煤業3#煤層房柱式開採作為研究對象,採用現場調研、數值模擬和理論計算相結閤的方法,分析西河煤業殘留煤房柱式開採頂闆冒落特徵,得到西河煤業3#煤層殘留煤房柱式開採的圍巖應力分佈規律、圍巖破壞特徵和頂闆冒落高度等參數,併對其冒落特徵進行分類。
이서하매업3#매층방주식개채작위연구대상,채용현장조연、수치모의화이론계산상결합적방법,분석서하매업잔류매방주식개채정판모락특정,득도서하매업3#매층잔류매방주식개채적위암응력분포규률、위암파배특정화정판모락고도등삼수,병대기모락특정진행분류。
Taken room and pillar mining used in 3# coal seam in Xihe Mine as research subject, this paper analyzed roof fall characteristics of room and pillar mining process in residual coal in Xihe Mine based on combining methods of field research, numerical simulation and theoretical calculation, and obtained its parameters of rock stress distribution, rock mass characteristics and roof fall height, finally classified its roof fall characteristics.