Research Article
Aug 1973
Critical Tensile Strain in Asphalt Pavements
Publication: Transportation Engineering Journal of ASCE
Volume 99, Issue 3
Abstract
Charts based on two-layer elastic theory are presented for determining the critical tensile strain at the bottom of the asphalt-bound layer under single, dual, and dual-tandem wheels. They can be applied directly to full-depth asphalt pavements where only two layers are involved. For a conventional three-layer system, a method is developed to convert it into an equivalent two-layer system, so that the charts can still apply. A comparison of the critical tensile strains obtained from the charts with those determined directly from a computer program clearly indicates that they are accurate enough for engineering applications. Examples are given to illustrate the use of these charts for determining the critical tensile strains in two-layer and three-layer pavement systems. It is found that for a given pavement type and tire configuration there exists a critical thickness of the asphalt-bound layer at which the greatest tensile strain is obtained, and that the critical tensile strains under dual-tandem wheels are generally smaller than that under the dual wheels alone.
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Published In
Transportation Engineering Journal of ASCE
Volume 99 • Issue 3 • August 1973
Pages: 553 - 569
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Aug 1973
Published online: Feb 5, 2021
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Authors
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Yang H. Huang, M.ASCE
Assoc. 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.