Optimal Design of Highway Drainage Structuresby Yeou-Koung Tung, Univ of Wyoming, Laramie, United States,
Yixing Bao, Univ of Wyoming, Laramie, United States,
Abstract: Hydraulic design of a bridge or culvert using a risk-based approach is to choose among the alternatives the one associated with the least total expected cost. In this paper, the risk-based design procedure is applied to pipe culvert design. The effect of the hydrologic uncertainties such as sample size and type of distribution model on the optimal culvert design parameters including design return period and total expected cost are examined in this paper.
Subject Headings: Hydraulic design | Bridge design | Culverts | Risk management | Hydraulic structures | Pipelines | Hydrologic models | Uncertainty principles
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