Low Cost Seismic Strengthening of Power System

by Otto W. Steinhardt, (M.ASCE), Sr. Civ. Engr.; Pacific Gas and Electric Co., 77 Beale Street, San Francisco, Calif. 94106,

Serial Information: Journal of the Technical Councils of ASCE, 1981, Vol. 107, Issue 1, Pg. 143-151

Document Type: Journal Paper


Low cost measures are presented that could prevent damage to power systems during future seismic events. In a high seismicity region, a cost increase of few percent can reasonably be expected to provide adequate seismic resistance. In a region of low or moderate seismicity, however, the earthquake probabilities are so low that the increase of construction costs which can be justified is almost nil because the probabilities are so low. The key words regarding earthquake resistance are: anchor, brace, separate, guide, cushion, latch, limit, select and plan. The effects of earthquakes on hydroelectic power plants, thermal power plants, transmission systems, and distribution systems are reviewed.

Subject Headings: Power plants | Thermal power | Earthquakes | Seismic tests | Seismic effects | Energy infrastructure | Hydro power | Power transmission

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