Research Article
Feb 1971
Optimal Selection of Flexible Pavement Components
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VIEW THE REPLYAuthors: Salim S. Hejal, Thomas R. Buick, AM.ASCE, and Joseph C. Oppenlander, M.ASCEAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 97, Issue 1
Abstract
The purpose of this systems analysis is to develop a rational method for the optimal selection of the thicknesses of the various pavement components. The design model consists of an objective function and nine constraint equations. The total cost of the pavement system is quantitatively described by this objective function. The various constraining equations quantify the boundary conditions to which the design of a flexible pavement is subject. These physical limitations complete the realism of the mathematical model in describing the real-world situation of flexible pavement design. The design model was solved by a modified linear programming technique. In developing practical solutions to the design model, 31,680 optimal flexible pavements were designed for highway construction conditions indicative of Indiana. The thickness requirements for the various layers are specified for each combination of structural number, minimum total thickness, and unit costs of pavement materials. Cost savings which range from 2% to 15% result in the thickness selection of flexible pavement components by this design procedure.
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Information
Published In
Transportation Engineering Journal of ASCE
Volume 97 • Issue 1 • February 1971
Pages: 1 - 14
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Feb 1971
Published online: Feb 5, 2021
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Authors
Affiliations
Salim S. Hejal
Grad. Instr., Sch. of Civ. Engrg., Purdue Cniv., West Laiayette, Ind.
Thomas R. Buick, AM.ASCE
Transportation Planner, Valley Area Traffic and Transportation Study, Tempe, Ariz
Joseph C. Oppenlander, M.ASCE
Prof. and Chmn., Dept. of Civ. Engrg., Univ. of Vermont, Burlington, Vt
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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.