地震映像法在铁矿隐伏空区探测中的应用研究
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摘要
地下隐伏采空区的存在严重威胁着生产和人员的安全,运用科学合理的手段进行空区探测,是保障矿山安全的重要措施。本文利用地震映像法,对鞍山地区某大型露天铁矿进行隐伏采空区探测技术方法的研究,并经工程钻探验证,取得良好的效果。通过对探测结果的分析表明,同相轴错动、同相轴缺失、能量减弱、同相轴弯曲呈眼球状等异常特征可作为铁矿空区探测的解译标志。
Hidden goaf threatens production and people's safety.The important measure of ensuring the mine safety is to use the scientific and reasonable method to detect goaf.In this paper,the seismic imaging method is applied to studying the detection method of concealed gob at a large open-pit iron mine in Anshan-Benxi district;and the engineering drilling tests show that the effect is good.The analysis of the detection results suggests that some abnormal characteristics can be used as interpretation signs in iron mine gob detection such as the dislocation and lack of phase axis,the weakening of energy,and the phase axis bending as an eye ball.
Hidden goaf threatens production and people's safety.The important measure of ensuring the mine safety is to use the scientific and reasonable method to detect goaf.In this paper,the seismic imaging method is applied to studying the detection method of concealed gob at a large open-pit iron mine in Anshan-Benxi district;and the engineering drilling tests show that the effect is good.The analysis of the detection results suggests that some abnormal characteristics can be used as interpretation signs in iron mine gob detection such as the dislocation and lack of phase axis,the weakening of energy,and the phase axis bending as an eye ball.
引文
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[10]袁昆,侯根群,廖勇.多跑距地震映像法在采空区探测中的应用[J].工程地球物理学报,2011,8(4):166～171.
[2]门业凯,范广海,邵安林,等.露天铁矿采空区综合探测方法研究与应用[J].金属矿山,2010(5):124～127.
[3]Baker R L,Cull J P.Acquisition and Signal Process-ing of Ground-Penetrating Radar for Shallow Explo-ration and Open-pit Mining[J].Exploration Geo-physics,1992,23(1-2):17～22.
[4]罗周全,刘晓明.采空区精密探测技术应用研究[J].矿业研究与开发,2006,11(增):87-90.
[5]Siggins A F.A Radar Investigation of Fracture in AGranite Outcrop[J].Exploration Geophysies,1990,21(l-2):105～110.
[6]Turner G.Data Processing Techniques for the Loca-tion of One Dimensional Objects Using Ground Pro-bing Radar[J].Exploration Geophysics,1989,20(3):379～382.
[7]Zaki Harari.Ground-penetrating Radar(GPR)forImaging Stratigraphic Features and Groundwater inSand Dunes[J].Journal of Applied Geophysics,1996,36(1):43～52.
[8]单娜琳,程志平,刘云祯.工程地震勘探[M].北京:冶金工业出版社,2006.
[9]陈韶光,程志平.公路路基工程勘察的物探方法研究[J].桂林工学院学报,2000,20(2):105～109.
[10]袁昆,侯根群,廖勇.多跑距地震映像法在采空区探测中的应用[J].工程地球物理学报,2011,8(4):166～171.
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