Determination of the base plate stiffness and strength of steel storage racks

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Title Determination of the base plate stiffness and strength of steel storage racks
Author Gilbert, Benoit; Rasmussen, Kim J.R.
Journal Name Journal of Constructional Steel Research
Year Published 2011
Place of publication United Kingdom
Publisher Elsevier
Abstract This paper addresses the problem of determining the stiffness and strength of steel storage rack base plate assemblies. Base plate assemblies are usually bolted to an upright and to a concrete floor, and they are used to provide resistance against the flexural buckling of the upright and/or the overall down-aisle buckling of the frame. The semi-rigid stiffness is usually determined by means of a test of two pre-loaded uprights connected to a concrete block in a dual-actuator set-up. Guidance for conducting the test is provided in the European Standard EN 15512. However, several aspects of the test need clarification, notably the test set-up and the transducer arrangement for measuring the rotations of the base plate. This paper provides recommendations for how best to conduct the test, and proposes an alternative test method to that given in the EN 15512 Specification. The paper also identifies the contributions to the deformations of base plate assemblies, including the deformations of the supporting floor, the base plate assembly itself and the upright, and proposes simple expressions for calculating the stiffness associated with each contributing deformation where applicable. Furthermore, the paper proposes a deformation criterion for determining the ultimate design moment for base plate tests which do not attain a peak moment.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.jcsr.2011.01.006
Copyright Statement Copyright 2011 Elsevier Inc. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 67
Issue Number 6
Page from 1031
Page to 1041
ISSN 0143-974X
Date Accessioned 2011-05-30
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Structural Engineering
URI http://hdl.handle.net/10072/41221
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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