Determination of accidental forklift truck impact forces on drive-in steel rack structures

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Title Determination of accidental forklift truck impact forces on drive-in steel rack structures
Author Gilbert, Benoit; Rasmussen, Kim J.R.
Journal Name Engineering Structures
Year Published 2011
Place of publication United Kingdom
Publisher Elsevier
Abstract The paper addresses the problem of determining the accidental forklift truck impact forces on steel storage racks. Based on first principles of mechanics, simple models of a loaded forklift truck and a drive-in racking structure are presented. Model masses, as well as stiffness and damping coefficients are calibrated against experimental results obtained from tests of a forklift truck and a drive-in racking structure. Comparisons between experimental results and solutions obtained from the simple mechanical models show that the simple models accurately reproduce the static and dynamic behaviours of their associated structures. Based on the drive-in rack impact test results presented in a companion paper (Gilbert and Rasmussen, submitted for publication) [1] and the simple mechanical models for drive-in racks, actual impact forces are calculated and presented. Finally, using the impact test results and the simple mechanical models, the actual motion of the forklift truck body is calculated. This motion, being a common characteristic to all drive-in racking impacts, allows impact forces to be obtained for various pallet loads, impact elevations and rack characteristics. Thus, the paper concludes with a general method for calculating forces generated under forklift truck impact.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.engstruct.2010.10.022
Copyright Statement Copyright 2011 Elsevier. 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 33
Issue Number 5
Page from 1403
Page to 1409
ISSN 0141-0296
Date Accessioned 2011-05-30; 2012-02-14T04:06:21Z
Date Available 2012-02-14T04:06:21Z
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Structural Engineering
URI http://hdl.handle.net/10072/42539
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1e

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