Seismic Design of Underground Lifelines

by Paul Weidlinger, (F.ASCE), Partner; Weidlinger Associates, Consulting Engineers, New York, N.Y.,
Ivan Nelson, (M.ASCE), Assoc. Partner; Weidlinger Associates, Consulting Engineers, New York, N.Y.,

Serial Information: Journal of the Technical Councils of ASCE, 1980, Vol. 106, Issue 1, Pg. 185-200

Document Type: Journal Paper


The development of guidelines for the design of underground lifelines subjected to earthquakes depends on the results of analytical and experimental research, measurement of relevant seismic ground motion and post-earthquake observations. Analytical and numerical techniques are available, or are being developed, for these purposes. There remain, however, a few issues and problems which need to be clarified and resolved before the data base for design-analysis guidelines can be completed. The paper summarizes some of the results reached to data, and discusses problems which need clarification. These include the incoherent free field motion and lifeline response to seismic excitation, including the role of friction.

Subject Headings: Seismic design | Ground motion | Seismic tests | Lifeline systems | Earthquakes | Numerical analysis | Databases | Excitation (physics)

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