Framework for Inspection, Maintenance, and Replacement of Corrugated Steel Culvert Pipes

A framework for inspection, rehabilitation, and replacement of corrugated steel culvert pipes (CSCP) is developed. It is expected to lead to developing a culvert information management system (CIMS), wherein justification and need are based on recent Governmental Accounting Standards Board (GASB) requirements. The CIMS will assist in evaluating infrastructure assets and facilitate comparing present costs of preserving infrastructure. Benefits include long-term savings from adopting optimized preventive maintenance strategies. CSCP condition states are used to express the extent of deterioration. Rehabilitation options and recommendations are given for deteriorated CSCPs. These options will be incorporated into the proposed CIMS, which uses survival probabilities based on the CSCP condition state during the previous year. Survival probabilities within Condition States 1, 2, and 3 are computed on the basis of corrosion research data. However, implementing the proposed CIMS requires field data for CSCPs or l...

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