RESEARCH ARTICLE


Penetration vs. Shear Wave Velocity for Evaluation of Liquefaction Potential in Northeast Arkansas



Ashraf Elsayed*, a, Shahram Pezeshkb
a Department of Civil Engineering, Arkansas State University, Box 1740, State University, AR 72467, USA
b Department of Civil & Environmental Engineering, The University of Memphis, Memphis, TN 38152, USA


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Creative Commons License
© 2010 Elsayed and Pezeshk.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Civil Engineering, Arkansas State University, Box 1740, State University, AR 72467, USA; Tel: +1-87972-3426; Fax: +1-870-972-3948; E-mail: aelsayed@astate.edu


Abstract

Shear wave velocity profiles at 16 bridge sites in Northeast Arkansas (NEA) were determined using a hybrid, non-invasive technique. These profiles were used to evaluate the liquefaction resistance at the selected sites using the simplified procedure by Seed and Idriss (Vs approach). The liquefaction resistance was also evaluated using the Standard Penetration Test (SPT approach) results from the geotechnical investigations at these sites that were conducted by the Arkansas State Highway and Transportation Department (AHTD). The Liquefaction Potential Index (LPI), as introduced by Iwasaki, was used to evaluate the severity of liquefaction. The results of both approaches were then compared. Recommendations were made to AHTD personnel for liquefaction evaluation of future bridge projects based on the results of this research.

Keywords: Earthquake, Liquefaction, Northeast Arkansas, NMSZ, Shear Wave Velocity.