Rapid penetration of piezocones in sand

Research output: Chapter in Book/Conference paperConference paper

4 Citations (Scopus)

Abstract

This study investigates the change in penetration resistance across different drainage regimes in sand using centrifuge piezocone tests. The model piezocone was jacked at various penetration rates into saturated loose and dense silica sand at gravitational acceleration of 50g. In order to achieve a wider drainage regime, the sand was saturated using both water and a viscous pore fluid (methocel cellulose ether with viscosity 715 times higher than water). The results indicate the net cone resistance increases with increasing non-dimensional velocity in dense sand, but reduces with increasing non-dimensional velocity in loose sand. This rate dependency in sand can be captured using a simple harmonic backbone curve.
Original languageEnglish
Title of host publicationCone Penetration Testing 2018
Subtitle of host publicationProceedings of the 4th International Symposium on Cone Penetration Testing (CPT'18), 21-22 June, 2018, Delft, The Netherlands
EditorsMichael Hicks, Federico Pisano, Joek Puechen
Place of PublicationLondon
PublisherCRC Press
Pages213-219
ISBN (Electronic)9780429505980
ISBN (Print)9781138584495
Publication statusPublished - 2018
Event4th International Symposium on Cone Penetration Testing - Delft, Netherlands
Duration: 21 Jun 201822 Jun 2018
Conference number: 4

Conference

Conference4th International Symposium on Cone Penetration Testing
Abbreviated titleCPT'18
CountryNetherlands
CityDelft
Period21/06/1822/06/18

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