Location of Geologic Discontinuities by Geophysical Techniquesby G. W. Blaney, Univ of Texas at San Antonio, United States,
A. Li, Univ of Texas at San Antonio, United States,
M. W. Lewis, Univ of Texas at San Antonio, United States,
Abstract: An overview of the seismic refraction method and resistivity methods is given. These two geophysical techniques are integrated into a systematic method for locating geologic discontinuities at construction sites. The effectiveness of the method is demonstrated by using specific characteristics of the geophysical data to locate precisely a normal fault on the University of Texas at San Antonio campus. In particular, changes in seismic wave velocity, resistivity and conductivity were found to be good indicators of the location of the fault.
Subject Headings: Seismic tests | Discontinuities | Seismic surveys | Soil surveys | Construction methods | Construction sites | Geological faults
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