Research Article
Nov 1968
Chart For Determining Equivalent Single-Wheel Loads
Publication: Journal of the Highway Division
Volume 94, Issue 2
Abstract
A new chart based on Burmister's layered theory programmed for a high-speed computer is developed for determining equivalent single-wheel loads for flexible pavements. The equivalent single-wheel load is defined as a single wheel load which results in a maximum deflection in the subgrade equal to that produced by a set of dual wheels. A salient feature of the chart is that it takes the ratio of the moduli of elasticity of the pavement and subgrade into account and presents the results of a wry involved problem in a simple manner. The equivalent single-wheel load for any combinations of pavement thickness, modulus ratio, wheel spacing, and contact radius can be obtained from the chart with simple calculation and interpolation. The chart shows that the equivalent single-wheel load increases appreciably with the increase in modulus ratio. Current practice of assuming pavements as homogeneous media always gives an equivalent single-wheel load which is too small and is not in line with the finding of the WASHO road test.
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Information
Published In
Journal of the Highway Division
Volume 94 • Issue 2 • November 1968
Pages: 115 - 128
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Nov 1968
Published online: Feb 6, 2021
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Authors
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Y. H. Huang, M.ASCE
Asst. Prof. of Civ. Engrg., Univ. of Kentucky, Lexington, Ky.
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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.