Title: DEVELOPMENT OF PROJECT-LEVEL URBAN ROADWAY MANAGEMENT SYSTEM
Abstract: The second part of the Urban Roadway Management System (URMS), the project-level pavement design and maintenance subsystems, is described. In the design subsystem the AASHTO flexible pavement design procedure is applied to the process of structural design of new pavements and overlay pavements. A linear programming model for obtaining the least-cost solutions for new flexible pavement design problems is included. As a part of the URMS package the design subsystem can automatically retrieve needed information from the network-level URMS. The design subsystem can also be used as a stand-alone program. The maintenance subsystem is an application of a simplified expert system for selecting cost-effective distress repair methods. The simplified expert system is designed in such a way that each distress type is related to a maximum of three variables and each variable is further divided into a maximum of three levels. At least 27 repair methods for each distress type can be defined. Both the design and the maintenance subsystems are easy to learn and use with the graphical user interface.
Publication Year: 1994
Publication Date: 1994-01-01
Language: en
Type: article
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Cited By Count: 4
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