The Application of DC Resistivity to Shallow Marine Engineering Exploration
详细信息
- 责任者：Liu Hongyue (Fujian Provincial Institute of Architectural Design and Research ; Fuzhou 350001 ; China)
- 刊名：Geophysical and Geochemical Exploration
- 出版年：2013
- 卷期：37(4)
- 关键词：高密度电阻率法 ; multi-electrode resistivity methods ; 工程地质勘察 ; engineering geological investigation ; 广东 ; Guangdong
- 页码：p.756-760
- 图表：illus., 1 table, 12 refs.
- 分类号：1600
- issnNo：ISSN1000-8918
- isbnNo：CN11-1906/P
摘要
Fewer geophysical methods can be utilized in marine project exploration than in the land.Seismic reflection is the preferred geophysical choice.When the submarine sediments are contaminated by shallow gas,the shielding effect of acoustic signal leads to the failure of seismic detection.In this paper,the high density DC resistivity method was adopted to investigate the submarine sedimentary strata as well as the underlying bedrock.The forward and inverse model was built and calculated based on the resistivity borehole logging data,a shallow onshore engineering with this method was conducted and the results show satisfactory results in the submarine engineering exploration.In some parts of the area where seismic reflection works effectively,the authors explained the geology with comprehensive methods,which could ensure the reliability and improve the accuracy of the interpretation.
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