Efficiency of seepage consolidation for preparation of clay substrate for centrifuge testing

Jangguen Lee, Patrick J. Fox

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Seepage consolidation under normal gravity conditions can be used to prepare clay soil substrates for subsequent testing in a geotechnical centrifuge. Currently available information provides no information regarding the general efficiency of this method, which would be expected to vary widely depending on centrifuge, test specimen, and operating conditions. A numerical investigation is presented of the efficiency of the two-stage seepage/centrifuge consolidation method for the preparation of normally consolidated clay substrates. Large strain consolidation simulations and experimental data for centrifuge and seepage/centrifuge consolidation tests conducted on reconstituted Singapore marine clay are in excellent agreement. A parametric study illustrates the effects of initial specimen void ratio, initial specimen height, surcharge stress, swelling time, and acceleration factor on the efficiency of the two-stage substrate preparation method. Efficiency of the method for Singapore marine clay ranged from 55 to essentially 100 % for the simulations conducted.

Original languageEnglish (US)
Pages (from-to)577-585
Number of pages9
JournalGeotechnical Testing Journal
Issue number6
StatePublished - Nov 2005

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology


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