山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2014年
10期
12-13,16
,共3页
冲击地压%地应力测试%物探%变形%破碎带
遲擊地壓%地應力測試%物探%變形%破碎帶
충격지압%지응력측시%물탐%변형%파쇄대
rock burst%in-situ stress test%geophysical exploration%deformation%fracture zone
针对硫磺沟煤矿(4-5)04面受冲击地压影响情况,分别对该面进行地应力测试,单点探测。分析得出该面地应力场以垂直应力为主,回风上山、主暗斜井、副暗斜井易受最大水平主应力的影响,巷道变形较大;在皮顺上帮、迎头,下帮迎头,皮顺掘进迎头和轨顺迎头下帮煤岩体破碎带。
針對硫磺溝煤礦(4-5)04麵受遲擊地壓影響情況,分彆對該麵進行地應力測試,單點探測。分析得齣該麵地應力場以垂直應力為主,迴風上山、主暗斜井、副暗斜井易受最大水平主應力的影響,巷道變形較大;在皮順上幫、迎頭,下幫迎頭,皮順掘進迎頭和軌順迎頭下幫煤巖體破碎帶。
침대류광구매광(4-5)04면수충격지압영향정황,분별대해면진행지응력측시,단점탐측。분석득출해면지응력장이수직응력위주,회풍상산、주암사정、부암사정역수최대수평주응력적영향,항도변형교대;재피순상방、영두,하방영두,피순굴진영두화궤순영두하방매암체파쇄대。
Aiming at the situation of the (4-5) 04 working face in Liuhuanggou coal mine affected by rock burst, implement the in-situ stress test in this working face, single point detection. Analysis shows that the in-situ stress field is at vertical stress, the rise for return air, the main dark inclined shaft, and the vice dark inclined shaft is susceptible to the effect of the maximum horizontal principal stress, the roadway deformation is larger.