Title: A computerized methodology for selecting projects in multi-period bridge management systems
Abstract: A comprehensive Bridge Management System (BMS) is a rational and systematic approach for organizing and carrying out all activities related to managing a network of bridges and optimizing the selection of maintenance, rehabilitation and replacement actions resulting in maximal dollar value of benefits without exceeding available funds. The purpose of this research is to develop and computerize a multi-period optimization procedure that selects the most cost-effective set of replacement or rehabilitation projects for a State Department of Transportation, assuming that budgets are carried over from one period to the next. The solution technique uses dynamic programming in combination with an incremental benefit cost analysis. The periods of the planning horizon are considered as stages, bridge conditions (stochastic input) and available funds (deterministic input) are regarded as state variables; and project selections are treated as decision variables. The model maximizes the overall present value of net benefits associated with a network of bridges, subject to a budget constraint for each period of the planning horizon. Several system scenarios are developed to investigate the computational capability of the procedure.
Publication Year: 1990
Publication Date: 1990-01-01
Language: en
Type: article
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