Strengthening of steel structures using the stiffening effect of cladding

Radnay, Laszlo and Ivanyi, Miklos (2012) Strengthening of steel structures using the stiffening effect of cladding. Pollack Periodica, 7 (2). pp. 47-58. ISSN 1788-1994

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Abstract

Increasing the stiffness of some frames of a structure and making the frames work together by using diaphragms is an alternative way of strengthening steel frameworks. The diaphragm effect of the cladding is well known, but due to the very sophisticated interaction among frames and the cladding, the theoretical solutions need experimental verification.The Laboratory of Structural Engineering, Technical University of Budapest carried out experimental investigations on full-scale simple elastic-plastic frames in 1976. As a part of it, the effect of cladding was studied. The goal of this paper is to compare the experimental results to the results calculated according to the stressed skin diaphragm design method. As the examined structural layouts were different, virtual structures were used to make the results comparable.

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