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Journal of Undergraduate Research

Keywords

preliminary liquefaction hazard, bridge sites, I-15, Salt Lake

College

Ira A. Fulton College of Engineering and Technology

Department

Civil and Environmental Engineering

Abstract

The term liquefaction refers to the loss of strength in soils during earthquake shaking. Generally, liquefaction occurs in loose sandy soils which lie beneath the water table. Liquefaction-induced ground failures have been major causes of bridge damage during past earthquakes. My research was to apply state-of-the-art methods for evaluating liquefaction hazard to the bridge sites along the 1-15 corridor in Salt Lake County, Utah. This section of interstate is to be reconstructed over the next 4 years and is one of the largest construction projects ever initiated in Utah. This segment of the highway lies generally parallel to the Salt Lake segment of the Wasatch fault which is capable of moderate to large (magnitude 7.0) earthquakes. My study predicted that potentially liquefiable soils lie beneath most bridge sites in the corridor.

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