中国煤炭
中國煤炭
중국매탄
CHINA COAL
2014年
11期
48-49,92
,共3页
巷道群%巷道支护%预应力强力锚杆%巷道压力%压力显现规律
巷道群%巷道支護%預應力彊力錨桿%巷道壓力%壓力顯現規律
항도군%항도지호%예응력강력묘간%항도압력%압력현현규률
roadway group%roadway support%high pre-tension bolt%roadway pressure%stress law
王坡煤矿二采区变电所区域巷道群布置密集，应力复杂，巷道间的掘进动压影响导致永久硐室与巷道变形严重。分析了变电所区域集中带式输送机巷变形原因，提出在集中带式输送机巷采用高预应力强力锚杆支护系统。工程实践表明该支护系统有效地控制了巷道的变形，能够满足矿井安全生产的需要，取得了良好的技术经济效益。
王坡煤礦二採區變電所區域巷道群佈置密集，應力複雜，巷道間的掘進動壓影響導緻永久硐室與巷道變形嚴重。分析瞭變電所區域集中帶式輸送機巷變形原因，提齣在集中帶式輸送機巷採用高預應力彊力錨桿支護繫統。工程實踐錶明該支護繫統有效地控製瞭巷道的變形，能夠滿足礦井安全生產的需要，取得瞭良好的技術經濟效益。
왕파매광이채구변전소구역항도군포치밀집，응력복잡，항도간적굴진동압영향도치영구동실여항도변형엄중。분석료변전소구역집중대식수송궤항변형원인，제출재집중대식수송궤항채용고예응력강력묘간지호계통。공정실천표명해지호계통유효지공제료항도적변형，능구만족광정안전생산적수요，취득료량호적기술경제효익。
Roadway group intensive arrangement,complex stress distribution and excavation dynamic pressure influence in substation area of stope No.2 of Wangpo coal mine lead to severe deformation of permanent chambers and roadways.In this paper,deformation reason of center-conveyor roadway in substation was analyzed,and high pre-tension bolting system was proposed. Engineering practice indicated that the bolting system effectively controlled the deformation of roadway,met the needs of mine production safety and gained great technical and economic benefits.
