Seismic Analysis of Nuclear Power Plant Structures

by Richard N. Bergstrom, (F.ASCE), Partner; Sargent & Lundy Engrs., Chicago, IL,
Shih-Lung Chu, (M.ASCE), Asst. Head; Analytical and Computer Div., Sargent & Lundy Engrs., Chicago, IL,
Robert J. Small, (A.M.ASCE), Chf. Struct. Design Engr.; Sargent & Lundy Engrs., Chicago, IL,

Serial Information: Journal of the Power Division, 1971, Vol. 97, Issue 2, Pg. 367-394

Document Type: Journal Paper


Nuclear power stations, due to the consideration of insuring public safety, must be designed to withstand the effects of postulated strong motion earthquakes. A few of the many aspects of a complete seismic analysis are discussed. The loadings on the structures are determined by a dynamic analysis. The mathematical bases for the two most common methods of analysis, the response spectrum method and the time-history method, are presented. A description of an analytical model which includes the torsional response is given. There are a large number of component structures and items of equipment which cannot be included individually in the dynamic analysis of the building structures. A discussion of current methods for determining the dynamic response of these components and a suggested solution of the problem is presented. A discussion of the analysis of piping systems and soil-structure interaction is given.

Subject Headings: Power plants | Seismic tests | Seismic effects | Nuclear power | Structural analysis | Public health and safety | Dynamic loads | Dynamic analysis

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