建井技术
建井技術
건정기술
Mine Construction Technology
2015年
z2期
89-91
,共3页
斜井井筒%采空区%复合支护
斜井井筒%採空區%複閤支護
사정정통%채공구%복합지호
inclined shaft%the mined-out area%compound supporting
国电永寿煤业有限责任公司碾子沟煤矿副斜井在施工过程中遇见采空区，采空区段围岩破碎，自然垮落严重，原锚喷支护设计支护方案不能满足要求。通过分析地质条件，采用锚杆网索喷＋C35单层钢筋混凝土浇筑的复合支护方案，并通过严格控制施工工艺，取得了良好的支护效果和经济效益。
國電永壽煤業有限責任公司碾子溝煤礦副斜井在施工過程中遇見採空區，採空區段圍巖破碎，自然垮落嚴重，原錨噴支護設計支護方案不能滿足要求。通過分析地質條件，採用錨桿網索噴＋C35單層鋼觔混凝土澆築的複閤支護方案，併通過嚴格控製施工工藝，取得瞭良好的支護效果和經濟效益。
국전영수매업유한책임공사년자구매광부사정재시공과정중우견채공구，채공구단위암파쇄，자연과락엄중，원묘분지호설계지호방안불능만족요구。통과분석지질조건，채용묘간망색분＋C35단층강근혼응토요축적복합지호방안，병통과엄격공제시공공예，취득료량호적지호효과화경제효익。
Vice inclined shaft of Nianzigou mine of Guodian Yougshou Coal Industry Company Limited encounter mined‐out area in the process of construction ,the mined‐out area with fractured surrounding rock and collapses seriously ,old bolt‐shotcrete supporting scheme can not satisfy the requirement of supporting. Using bolt support plus single reinforced concrete pouring compound supporting scheme through analyzing geological conditions ,obtaing good supporting results and economic effect through strictly controlling construction technology.
