Graduate Thesis Or Dissertation
 

Flow slide control with slope revetments

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/2v23vx344

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  • This paper examines the response of submerged model sand slopes to vibration and the beneficial effects of placing rock revetments on the face of the slope to prevent flaw slides. Pore water pressure response and deflection were used as a criteria for stability in an attempt to relate stability with dimensionless parameters describing the slope. It was possible to fit a linear relationship to the data so that the pore pressure response increased linearly with the dimensionless revetment thickness. It was also found that pore pressure response increased for decreasing steepness of the slope face for constant dimensionless revetment thickness. Three distinct modes of failure were observed during the study. An empirical slope stability analogy was developed based on these failure modes which suggested a design procedure for determining the thickness of rock revetments required to prevent liquefaction flow slides. The design procedure was apparently very conservative for the model slopes but the failure modes upon which the procedure was based remain to be verified in full size slopes.
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