Mejías-Santiago, Mariely

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Triggering mechanisms of a rainfall-induced residual soil slope failure
(2011) Mejías-Santiago, Mariely; Pando-López, Miguel A.; College of Engineering; Pagán Trinidad, Ismael; Ramos Cabeza, Ricardo; Department of Civil Engineering; Pérez-Alegría, Luis R.
This MS thesis entails an experimental and analytical study of a slope failure that occurred in the city of Mayagüez after a heavy storm on June, 2005. The slope failure case history is considered a representative event of the recurring shallow landslides that often occur in residual soil slopes of Western Puerto Rico. The experimental component of this work involved field reconnaissance, surveying of the failed slope, geotechnical drilling and testing, soil sampling, laboratory testing, long term field monitoring of rainfall, soil moisture, and soil suction. The study also included laboratory tests to evaluate the soil-water characteristic curve. The research also included an analytical component to investigate the triggering mechanism of the slope failure.