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Geotechnical Applications Of Vsp Surveys Using The Seismic Cone Penetrometer
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 12th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, Mar 1999, cp-202-00002
Abstract
We present a number of new ways to use the seismic cone penetrometer (SCPTU). These<br>applications include the prediction of stratigraphic boundaries in advance of the cone as well as<br>the refinement of the first break shear wave velocities. These applications depend upon the<br>acquisition of vertical seismic profile (VSP) data using the cone. The VSP acquisition is<br>achieved using standard SCPTU accelerometers and is an extension of SCPTU shear wave<br>velocity surveys. The data consist of both an upgoing and downgoing seismic wavefield. These<br>wavefields are easily identifiable and can be separated with a series of simple processing<br>techniques. VSP data are most commonly associated with common depth point (CDP) reflection<br>seismic surveys. We have demonstrated how the data can also be used effectively to obtain<br>geotechnical information.