Seismic CPT to Measure In-Situ Shear Wave Velocity

by P. K. Robertson, Univ of British Columbia, Dep of, Civil Engineering, Vancouver, BC, Canada,
R. G. Campanella, Univ of British Columbia, Dep of, Civil Engineering, Vancouver, BC, Canada,
D. Gillespie, Univ of British Columbia, Dep of, Civil Engineering, Vancouver, BC, Canada,



Document Type: Proceeding Paper

Part of: Measurement and Use of Shear Wave Velocity for Evaluating Dynamic Soil Properties

Abstract:

A new test, called the seismic cone penetration test (SCPT) is described. A small rugged velocity seismometer has been incorporated into an electronic cone penetrometer. The combination of the seismic downhole method and the CPT logging provide an extremely rapid, reliable and economic means of determining stratigraphic, strength and modulus information in one sounding. Results using the seismic cone penetration test are presented and compared to conventional in-situ techniques.

Subject Headings: Penetration tests | Seismic tests | Seismic waves | Field tests | Wave velocity | Shear waves | Soil modulus

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