VERIFICATION OF THE ANALYTICAL MODEL FOR OCEAN WAVE-SOIL-CAISSON INTERACTION

William G. McDougal, Yau-Tang Tsai, Charles K. Sollitt

Abstract


An analytical model for wave-soil-caisson interaction is verified by comparison with a finite element model and large scale experimental results. The analytical and finite element model estimates of the stresses and surface displacements of an elastic layer of finite thickness are in good agreement. The physical model experiments were conducted at the O.H. Hinsdale Wave Research Facility at Oregon State University. A 10-ft high, 8-ft long caisson was constructed on a bedding layer overlying 1 to 3 ft of soil. The caisson was exposed to waves with heights of 0.68 to 4.4 ft with periods of 1.77 to 8.80 sec. Experimental and analytical comparisons for porewater pressure were in agreement but the displacements were quite scattered.

Keywords


caisson; analytical model; wave-soil-caisson interaction

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