Optimal Design of Highway Drainage Structures

by Yeou-Koung Tung, Univ of Wyoming, Laramie, United States,
Yixing Bao, Univ of Wyoming, Laramie, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


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: Highway and road design | Highway and road structures | Bridge design | Hydraulic design | Hydraulic structures | Hydrologic models | Hydrology | Risk management

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