摘要: |
Pavement management was first conceived in the mid-1960s as a result of major work done in the United States and Canada. The early pavement management concepts focused on the project level, coordinating improvements in design, rehabilitation, maintenance, and pavement performance modeling. By the mid-1970s pavement management had expanded to primary use at the network level and involved the planning, programming, and budgeting of funds for entire pavement networks of varying sizes. By the mid-1980s the applicability of these same system concepts to bridges became evident to the engineering community, and a major research project was funded by NCHRP to develop bridge management systems. Since then bridge management has become relatively commonplace throughout the world. Work has been performed by others on building management systems, sewage management systems, and other systems for managing the world's infrastructure. All of these infrastructure management systems have many things in common, and everyone benefits from the coordination of the development and usefulness of these management systems. The common elements and the differentiating aspects of infrastructure management systems are summarized, particularly as they relate to the basic concepts of pavement management. Expectations for future development and integration of infrastructure management systems are discussed. Such development includes the application of geographic information systems and other modern technology to all aspects of systems integration. |