Research Article
Jan 1981
Ontario Equivalent Base Length: An Appraisal
Publication: Journal of the Structural Division
Volume 107, Issue 1
Abstract
The Ontario equivalent base length concept is reviewed. This concept does not rely so much on the assumption that a vehicle can be described by two variables, the weight, W, and equivalent base length, BM but rather on the observation that the vehicle can be described by a series of points in (W, BM) space. An alternative development is given of an equivalent base called the concentrated base length, b, which is one half the Ontario base length and which introduces a location parameter, x. The validity of the base length concept is demonstrated by developing a vehicle equivalent to a hypothetical family of Australian legal vehicles. The accuracy of resultant curves of design bending moment and shear is assessed. It is concluded that reasonable accuracies can be achieved by the use of a single, nonvariable design truck, and that the Ontario method is useful and important.
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Published In
Journal of the Structural Division
Volume 107 • Issue 1 • January 1981
Pages: 105 - 127
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Jan 1981
Published online: Feb 1, 2021
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Authors
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Colin O'Connor, M.ASCE
Prof. of Civ. Engrg., Univ. of Queensland, St. Lucia, Brisbane, Queensland, Australia, 4067
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.