Economic Review of Earthquake Design Levels

by John M. Ferritte, (M.ASCE), Research Structural Engr.; Naval Civ. Engrg. Lab., Naval Construction Battalion Center, Port Hueneme, Calif. 93043,

Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 8, Pg. 1425-1425

Document Type: Journal Paper


Current Navy criteria specifies that for important buildings a site seismicity study shall be performed and the design earthquake level shall be taken as the site acceleration having an 80 percent chance of not being exceeded in 50 years. Construction cost increases are reviewed for seismic strengthening and expected damage from seismic shaking. Economic factors techniques were used to study earthquake design levels. Results indicate optimal least cost designs occur at lower design levels than is specified by current criteria.

Subject Headings: Seismic design | Seismic tests | Building design | Earthquakes | Seismic effects | Economic factors | Construction costs | Damage (structural)

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