Research Article
May 1973
Effect of Openings on Stresses in Rigid Pavements
Publication: Transportation Engineering Journal of ASCE
Volume 99, Issue 2
Abstract
A typical airport pavement section 12 in. (0.3 m) thick resting on a subgrade material have a modulus of elasticity, E°SsTD, equal to 8,400 psi (58 MN/mFRUS2TUTF) and treated as an elastic continuum is considered in this study. To limit the size of the slab, four cuts together with the corresponding boundary conditions were inserted at carefully chosen locations. Influence lines for the stresses f°SxTD and f°SyTD as well as stress distributions due to wheel loads were computed for critical locations of the load. These stresses were then compared with those obtained for an identical pavement section without opening under the same loading conditions. This comparison showed that a large increase in the value of maximum stress would result from the presence of the opening. A method is suggested to calculate the tensile forces around the opening. A simple formula for calculating the area of steel reinforcement required for a typical case has been derived accordingly effect of changing the length of the opening on the values of the stresses along its transverse edge was determined for the case of a point load.
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Information
Published In
Transportation Engineering Journal of ASCE
Volume 99 • Issue 2 • May 1973
Pages: 255 - 265
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: May 1973
Published online: Feb 5, 2021
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Authors
Affiliations
Sue K. Wang
Grad. Research Asst., Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
Michel A. Sargious, M.ASCE
Assoc. Prof. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
Yau K. Cheung, M.ASCE
Prof. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
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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.