Please use this identifier to cite or link to this item: https://doi.org/10.1139/cgj-2012-0278
Title: Continuous-interval shear wave velocity profiling by auto-source and seismic piezocone tests
Authors: Ku, T 
Mayne, PW
Cargill, E
Issue Date: 1-Apr-2013
Publisher: Canadian Science Publishing
Citation: Ku, T, Mayne, PW, Cargill, E (2013-04-01). Continuous-interval shear wave velocity profiling by auto-source and seismic piezocone tests. Canadian Geotechnical Journal 50 (4) : 382-390. ScholarBank@NUS Repository. https://doi.org/10.1139/cgj-2012-0278
Abstract: A new exploratory procedure for collecting continuous shear wave velocity measurements via cone penetration testing using a special autoseis source is presented whereby wavelets can be generated and recorded every 1 to 10 s. The continuous-interval seismic piezocone test (CiSCPTu) offers a fast, productive, and reliable means to expedite the collection of downhole shear wave velocity profiles, as well as additional readings on cone tip resistance, sleeve friction, and penetration porewater pressures with depth. A site in Windsor, Virginia, is utilized for illustrating the collection of data, calibration, and post-processing issues arising from large numbers of wavelets that require filtering, windowing, and selection in both time and frequency domain analyses. At the test site, the geology consists of shallow Holocene deposits of clays and sands to 8 m that are underlain by much stiffer calcareous sandy marine clay soils of Mioceneage, whichextendbeyondtheterminationdepthsofthe soundings at 30 m.
Source Title: Canadian Geotechnical Journal
URI: https://scholarbank.nus.edu.sg/handle/10635/157488
ISSN: 0008-3674
1208-6010
DOI: 10.1139/cgj-2012-0278
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