Seismic Design of Earth Retaining Wharf Structuresby Maurice S. Power, Geomatrix Consultants, San, Francisco, CA, USA,
Ross K. Sadigh, Geomatrix Consultants, San, Francisco, CA, USA,
John A. Egan, Geomatrix Consultants, San, Francisco, CA, USA,
Abstract: Seismic design considerations pertinent to earth retaining wharf structures are reviewed. These considerations include: evaluation of the seismic environment and design earthquake ground shaking levels at a site; evaluation of seismically-induced loads on retaining structures; and evaluation of effects of the loadings on structure design and performance. Probabilistic analyses are suggested to aid in selection of design levels of ground shaking. Two types of loading, the first associated with pore water pressure increases in retained soils and the second with transient inertia loads, are described. Evaluation of the significance of loadings on performance is discussed with respect to both stability and deformations.
Subject Headings: Seismic design | Seismic loads | Retaining structures | Seismic tests | Harbor facilities | Earthquake resistant structures | Soil pressure
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