Development of Comprehensive Low-Volume Pavement Design Procedures
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2000-07-01
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Abstract:Historically, "low-volume" pavements (less than 500 ADT) in Arkansas were typically constructed using a "standard" section, i.e. a double surface treatment over a specified thickness of granular base. Subsequent analysis indicated these sections were structurally inadequate in many cases. In response, the Arkansas State Highway and Transportation Department (AHTD) moved to designing low-volume pavements by normal methods, such as the AASHTO Guide for the Design of Pavement Structures. Other state highway agencies have developed or adopted other design methods for lower-volume pavements. In many cases, "normal" design methods often provide substantial, and perhaps unwarranted, structural sections for low-volume pavements, resulting in fewer miles of low-volume pavements constructed annually. This project compiled efforts by pavement agencies to develop specific low-volume design methods, and suggests potential method(s) for designing low-volume pavements for a variety of traffic, materials, soils, and environmental conditions in Arkansas. The recommendations provide a framework for developing a low-volume design method. This document is also available in HTML at http://www.mackblackwell.org/research/finals/arc1070/framereport1070.html
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