Author:
DeJong J.,Morgenstern N. R.
Abstract
Detailed observation on settlements during construction of the CN Tower in Edmonton has afforded the opportunity of calculating the influence of the settlements on the distribution of foundation loads for an actual three-dimensional frame structure. These calculations have been carried out using the computer program ICES-STRUDL II. It is shown that in performing a soil–structure interaction analysis, the variation in structural rigidity with story height cannot be ignored when settlements occur during the construction period. Moreover, the distortions of a real structural frame due to small differential settlements can generate reactions of appreciable magnitude. As much as 39.4% of the basic load action on a footing beneath the CN Tower has been generated by a local maximum differential settlement which never exceeded 1.4 cm.
Publisher
Canadian Science Publishing
Subject
Civil and Structural Engineering,Geotechnical Engineering and Engineering Geology
Cited by
4 articles.
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