Shake-Proof Dams

by William L. Marcuson, Chf.; Geotech. Lab., U.S. Engrg. Waterways Experiment Station, P.O. Box 631, Vicksburg, MS 39180-0631,
Marshall L. Silver, Prof.; Geotech. Engrg., Univ. of Illinois, Chicago, IL 60680,


Serial Information: Civil Engineering—ASCE, 1987, Vol. 57, Issue 12, Pg. 44-47


Document Type: Feature article

Abstract:

Seismic trouble spots in California and along the Pacific Coast usually get the most publicity. But many people don't realize that Wyoming, Illinois, South Carolina, Utah and other areas in the U.S. have all experienced sufficient earthquake activity to call into question the stability of their embankment dams. Once a dam has been shown to be seismically unsafe, the designer has many methods available for improving the seismic performance of the embankment and its foundation, including: changing the operational procedures for the project (operational solutions), improving materials, changing the project structure, and controlling undesirable pore water pressures. Since each dam is unique, each solution must also be unique. Confidence in the solution, technical feasibility and cost must be considered in selecting an appropriate seismic remedial measure.

Subject Headings: Embankment dams | Seismic tests | Seismic effects | Water pressure | Project management | Foundation design | Dam foundations

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