Seismic response of a long span cable

Rao, G. Visweswara ; Iyengar, R. N. (1991) Seismic response of a long span cable Earthquake Engineering & Structural Dynamics, 20 (3). 243–258. ISSN 0098-8847

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The dynamic response of a single span cable due to a travelling seismic excitation is studied in this paper. The influence of propagation time between the supports is investigated in detail. The importance of considering both vertical and longitudinal equations of motion in the analysis is highlighted. The results indicate the considerable influence of the time-lagged support motions on the cable dynamic tension. A modal combination rule based on the response spectrum method is developed to arrive at the peak estimates of the cable response. Some significant aspects of cable behaviour, especially under horizontal support motion, are discussed.

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Source:Copyright of this article belongs to John Wiley and Sons, Inc.
ID Code:12644
Deposited On:12 Nov 2010 15:37
Last Modified:03 Jun 2011 08:52

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