Dynamic Response of Tropical Marine Limestone

by Zen Yang, (M.ASCE), Consulting Engr.; La Palma, Calif.; formerly, Sr. Engr., Fugro, Inc., Long Beach, Calif.,
Allen W. Hatheway, (M.ASCE), Project Geologist; Shannon & Wilson, Inc., Burlingame, Calif.; formerly, Project Mgr., Fugro, Inc., Long Beach, Calif.,

Serial Information: Journal of the Geotechnical Engineering Division, 1976, Vol. 102, Issue 2, Pg. 123-138

Document Type: Journal Paper


Widespread bodies of marine limestone border many tropical coastlines. Consequently, siting and design of nuclear power plants will depend in part on the dynamic properties of the limestone. Results of comprehensive laboratory studies performed on tropical marine limestone are presented. Resonant column and cyclic triaxial test methods were utilized to determine dynamic soil properties. Laboratory work was supplemented by in-situ geophysical measurements for dynamic property determinations. Appreciable differences were observed between field and laboratory determined values of shear wave velocities; causal effects were attributed to hard zones causing first arrival from refracted wave, secondary time effect occurring in the laboratory test, etc. Laboratory results for the established geologic unit also indicated nonlinear stress-strain behavior similar to that noted in the literature for soils.

Subject Headings: Dynamic properties | Soil dynamics | Shear waves | Wave velocity | Dynamic response | Tropical regions | Limestone | Power plants

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