Date of Award
Master of Science (M.S.) in Civil & Environmental Engineering
Civil and Environmental Engineering
Soil liquefaction -- Oregon -- Willamette River Valley, Silt -- Oregon -- Willamette River Valley, Lateral loads, Shear strength of soils, Piling (Civil engineering), Geotechnical engineering
Liquefaction triggering and post-liquefaction effects on lateral loading of deep foundations is an emerging area of study. This project presents: the results of cyclic direct simple shear (CDSS) testing on a low-plasticity alluvial silt collected in Portland, Oregon; and analysis of the combined effects of liquefaction-induced lateral spreading on a reinforced-concrete pile using data collected from a shake table test. The former research determines the liquefaction susceptibility and post-liquefaction characteristics of a local transitional soil using stress-controlled CDSS testing, the latter explores the complex lateral loading a reinforced-concrete pile undergoes during seismic loading with liquefaction-induced lateral spreading of the ground surface. This project presents the research performed to comment on liquefaction susceptibility and its effects on deep foundations.
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Martinez, Jared A., "Liquefaction Triggering in Low-Plasticity Silts and Effects of Liquefaction-Induced Lateral Spreading on a Reinforced-Concrete Pile" (2023). Civil and Environmental Engineering Master's Project Reports. 62.