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Optimal Flexible Pavement Cross-Section Design Using Quantity-Discount Cost Model
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1975-06-01
[PDF-5.94 MB]
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Edition:Interim - September, 1968 - June, 1975
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Abstract:The effects of using the full pavement cross-section and a quantity-discount on the cost of the construction materials in the Texas Flexible Pavement Design System (FPS) are evaluated in this study. Including the shoulders in the pavement cross-section and the discounted materials cost does change the selection of the optimal design strategy of new construction. However, the effects are insignificant in overlay construction. A fairly general pavement cross-section model and four quantity-discount cost models have been integrated into the FPS computer program for use by the State Department of Highways and Public Transportation. In addition, a master pavement cross-section model (MPCS) has been devised and coded to calculate the area of any complicated pavement cross section. The MPCS model provides the information to determine the minimum data requirement to precisely describe an in-service pavement cross-section for use in the pavement feedback data system.
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