Interpretation of the Overburden Pressure Effect on Sand Liquefaction Behavior

Waleed El-Sekelly, Tarek Abdoun, Ricardo Dobry, Min Ni

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This article studies the effect of overburden pressure on liquefaction behavior of saturated Ottawa F65 sand using centrifuge experiments as well as numerical simulations. A series of centrifuge tests were conducted simulating a 5 m layer of Ottawa sand having different relative densities and subjected to overburden effective pressures of 1 atm and 6 atm. The objective was to study the pore pressure response of sand to base acceleration under low and high overburden pressure. The sand layer had a bottom impervious boundary and a top pervious boundary, approximating an idealized field condition. The analysis shows that sand during liquefaction is not fully undrained but rather partially drained. It was also found that partial drainage was more significant at 6 atm than at 1 atm due to the increased coefficient of consolidation, cv at higher overburden pressure.

Original languageEnglish (US)
Title of host publicationGeotechnical Special Publication
EditorsEllen Rathje, Brina M. Montoya, Mark H. Wayne
PublisherAmerican Society of Civil Engineers (ASCE)
Pages60-69
Number of pages10
EditionGSP 338
ISBN (Electronic)9780784484654, 9780784484661, 9780784484678, 9780784484685, 9780784484692, 9780784484708
DOIs
StatePublished - 2023
Event2023 Geo-Congress: Sustainable Infrastructure Solutions from the Ground Up - Geotechnics of Natural Hazards - Los Angeles, United States
Duration: Mar 26 2023Mar 29 2023

Publication series

NameGeotechnical Special Publication
NumberGSP 338
Volume2023-March
ISSN (Print)0895-0563

Conference

Conference2023 Geo-Congress: Sustainable Infrastructure Solutions from the Ground Up - Geotechnics of Natural Hazards
Country/TerritoryUnited States
CityLos Angeles
Period3/26/233/29/23

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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