On the majority of Florida Department of Transportation (FDOT) highway projects, each bidder may choose which base material to use to construct a project. The choice usually comes down to an aggregate base (typically limerock) or a hot-mix asphalt base. When only initial cost parameters are used, the limerock alternative appears to be the most cost-effective. However, some or all of the savings experienced in the purchase may be offset when the total costs, including road user and construction engineering and inspection costs, are considered. An economic model that includes life-cycle cost is needed to evaluate fully the many trade-offs encountered when these decisions are being made. However, state highway officials report that life-cycle costs are not considered in selection of base material; therefore, the scope of this paper is limited to the construction costs associated with each option. The objective of this paper is to report on the development of a method to determine which alternative would be the most economical on a given project on the basis of total cost. Through data analysis, the research team developed a process that will enable an owner to make a more reasonable and informed decision on base material predicated on total cost parameters.


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    Titel :

    Decision-Making Model for Base Material Options


    Weitere Titelangaben:

    Transportation Research Record


    Beteiligte:


    Erscheinungsdatum :

    2006-01-01




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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