Analysis of dynamic soil properties: shaking table testing
Ripon Hore
Geotechnical Engineer, APS Engineering and Testing, LA, 70820, USA
Keywords: soft clay; embankment; earthquake
Abstract
This paper presents an analysis of shaking table tests on wrap-faced embankments situated on soft clay. The model embankment was placed in a laminar box mounted on a shaking table. The results from these tests were verified through numerical analysis. Different model tests were conducted with varying surcharge loads and acceleration levels. It was observed that the response of the embankment on soft clay was significantly influenced by the base acceleration levels and the magnitude of the surcharge pressure. Data from the Loma Prieta earthquake (1989) was utilized in this experiment. The effects of various parameters on the acceleration response at different eleva-tions of the embankment and face deformations were also examined. The results indicate that the proposed wrap-faced embankment demonstrates significant resistance to earthquakes, particularly those similar to the Loma Prieta event, and provides an indicative performance measure of the wrap-faced embankment on soft clay soil.
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