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黄土塬煤层采空区弹性波多波波场特征
MULTIPLE WAVE CHARACTERISTICS OF COAL MINED-OUT AREAS IN LOESS PLATEAU
【摘要】 黄土塬已知煤层采空区的弹性波多波波场研究表明,反射波、散射波、天然源面波和人工源面波等各种弹性波波场显示出表征性特点。借助于这种波场特征,对于煤层采空区的地震勘探具有一定的指向意义。
【Abstract】 Multiple wave field characteristics of coal mined-out areas in the loess plateau,which include reflection,diffraction,and both natural and artificial surface waves,were studied in this paper.By use of these characteristics,seismic prospecting can detect mined-out areas.
【关键词】 黄土塬;
弹性波;
波场;
采空区;
煤层;
【Key words】 loess plateau; elastic wave; wave field; mined-out area; coal bed;
【Key words】 loess plateau; elastic wave; wave field; mined-out area; coal bed;
【基金】 陕西煤业化工集团公司科技计划项目资助(SMHKJ09B19)
- 【文献出处】 物探与化探 ,Geophysical and Geochemical Exploration , 编辑部邮箱 ,2011年03期
- 【分类号】P631.4
- 【被引频次】1
- 【下载频次】156