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  • 标题:MASW Survey with Fixed Receiver Geometry and CMP Cross-Correlation Technique for Data Processing: A Case Study of Wadi Fatima, Western Saudi Arabia
  • 本地全文:下载
  • 作者:Faisal Rehman ; Sherif M. El-Hady ; Muhammad Faisal
  • 期刊名称:Open Journal of Geology
  • 印刷版ISSN:2161-7570
  • 电子版ISSN:2161-7589
  • 出版年度:2018
  • 卷号:8
  • 期号:5
  • 页码:463-473
  • DOI:10.4236/ojg.2018.85027
  • 语种:English
  • 出版社:Scientific Research Pub
  • 摘要:Multichannel analysis of surface waves is a noninvasive technique for subsurface shear wave velocity imagining. This method is one of the most effective geophysical tools for geotechnical investigations. In this paper, we present multichannel surface wave data acquisition in a non-conventional manner in alluvium deposits. Fixed receiver and multi-source offset geometry were applied to obtain field data. The data processing comprised of generating CMP cross-correlated traces and then inversion to obtain dispersion curves. The inversion of dispersion curves is achieved by employing a genetic algorithm to obtain subsurface shear wave velocity. Finally, the one-dimensional shear wave models are obtained. The multi-source offset data acquisition with fixed receiver geometry technique in combination with CMP cross-correlation gathers for data processing worked in a quite efficient way to obtain subsurface shear wave model.
  • 关键词:Shallow GeophysicsNoninvasive TechniqueMASWShear Wave VelocityGenetic Algorithm
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