Penetration-induced pore pressure magnitudes - methods to determine transport parameters from terrestrial and marine penetrometer testing

Derek Elsworth, D. S. Lee, H. Long, P. B. Flemings

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

New approaches are developed to use peak penetration-induced pore pressure magnitudes to in-dex profiles of in situ permeability. These methods potentially enable permeability profiles to be determined from continuous sounding by cone penetrometers, and from freefalling marine penetrometers that self-embed into seafloor sediments. Solutions are developed for the unsteady and partially-drained, fluid pressure field that develops around a volumetric dislocation that represents a penetrometer either advanced at constant rate, or decelerating as it self-embeds after freefall. Inertial effects are ignored. These solutions provide a consis-tent framework to view the penetration process, and enable penetration-induced pore pressures to be repre-sented in non-dimensional form, and related to conventional sounding indices inclusive of tip resistance, Q t , friction factor, F r , and pore pressure ratio, B q , among others. These relationships are used to define perme-ability magnitudes in the intermediate range where response is partially drained.

Original languageEnglish (US)
Title of host publicationElsevier Geo-Engineering Book Series
PublisherElsevier Ltd
Pages477-482
Number of pages6
EditionC
DOIs
StatePublished - Jan 1 2004

Publication series

NameElsevier Geo-Engineering Book Series
NumberC
Volume2
ISSN (Print)1571-9960

Fingerprint

penetrometer
Pore pressure
pore pressure
penetration
Testing
permeability
pressure field
fluid pressure
dislocation
Cones
Sediments
friction
seafloor
Friction
Fluids
sediment
method
parameter

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology

Cite this

Elsworth, D., Lee, D. S., Long, H., & Flemings, P. B. (2004). Penetration-induced pore pressure magnitudes - methods to determine transport parameters from terrestrial and marine penetrometer testing. In Elsevier Geo-Engineering Book Series (C ed., pp. 477-482). (Elsevier Geo-Engineering Book Series; Vol. 2, No. C). Elsevier Ltd. https://doi.org/10.1016/S1571-9960(04)80086-7
Elsworth, Derek ; Lee, D. S. ; Long, H. ; Flemings, P. B. / Penetration-induced pore pressure magnitudes - methods to determine transport parameters from terrestrial and marine penetrometer testing. Elsevier Geo-Engineering Book Series. C. ed. Elsevier Ltd, 2004. pp. 477-482 (Elsevier Geo-Engineering Book Series; C).
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Elsworth, D, Lee, DS, Long, H & Flemings, PB 2004, Penetration-induced pore pressure magnitudes - methods to determine transport parameters from terrestrial and marine penetrometer testing. in Elsevier Geo-Engineering Book Series. C edn, Elsevier Geo-Engineering Book Series, no. C, vol. 2, Elsevier Ltd, pp. 477-482. https://doi.org/10.1016/S1571-9960(04)80086-7

Penetration-induced pore pressure magnitudes - methods to determine transport parameters from terrestrial and marine penetrometer testing. / Elsworth, Derek; Lee, D. S.; Long, H.; Flemings, P. B.

Elsevier Geo-Engineering Book Series. C. ed. Elsevier Ltd, 2004. p. 477-482 (Elsevier Geo-Engineering Book Series; Vol. 2, No. C).

Research output: Chapter in Book/Report/Conference proceedingChapter

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Elsworth D, Lee DS, Long H, Flemings PB. Penetration-induced pore pressure magnitudes - methods to determine transport parameters from terrestrial and marine penetrometer testing. In Elsevier Geo-Engineering Book Series. C ed. Elsevier Ltd. 2004. p. 477-482. (Elsevier Geo-Engineering Book Series; C). https://doi.org/10.1016/S1571-9960(04)80086-7