Mitigating Earthquake Effects on Power Systems

by Anshel J. Schiff, (M.ASCE), Assoc. Prof.; School of Mech. Engrg., Purdue Univ., West Lafayette, Ind.,
Donald E. Newsom, Grad. Asst.; School of Aeronautics and Astronautics, Purdue Univ., West Lafayette, Ind.,

Serial Information: Journal of the Technical Councils of ASCE, 1977, Vol. 103, Issue 1, Pg. 39-51

Document Type: Journal Paper


Results are reported of a study using the Delphi method. Transmission and distribution facilities were emphasized. Eight measures were identified and ranked. In order of importance, they were: (1)Establish seismic criteria for facilities; (2)establish seismic specifications for equipment; (3)use seismic risk analysis for site selection; (4)have qualified field inspection during construction and installation; (5)perform dynamic analysis in equipment and facility design; (6)improve quality assurance by suppliers; (7)use cost-benefit methods in establishing specifications; and (8)perform low- bration testing. The importance was evaluated of eight characteristics of groups to implement the three highest ranked measures. Subsystems of electric utilities were evaluated for vulnerability to earthquake damage and for potential for improved earthquake resistance.

Subject Headings: Seismic tests | Seismic design | Construction equipment | Dynamic analysis | Earthquakes | Energy infrastructure | Risk management | Construction sites

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