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Application of high-density resistivity survey to reconnaissance the highway′s geological disaster in the mountainous area
Author(s): 
Pages: 89-94
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:  high-density resistivity survey; highway; geological disaster; reconnaissance ;
Abstract: In the mountainous area,the terrain,landform and geological conditions are complex,so the geological disasters such as road landslide,avalanche stack,karst collapse,tunnel roof failure and so on occur frequently and easily. How to find out the spatial characteristics of geological disaster fast and accurately,it is especially important to instruct improvement design and construction.Drilling is commonly used,which drills some holes firstly,then according to the geological condition of rock core to estimate the whole slope′s geological condition,so there are some defects,for example,reconnaissance cycle is longer,the expense is higher,the scope is limited,and it is difficulty to find out the spatial distribution characteristics of geological disaster.In this paper,the author uses the different installments of the high-density resistivity survey to reconnaissance the highway′s geological disasters with the different terrain conditions in mountainous area of Guizhou Province,according to
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