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| Huber, Oliver |
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| Király, Tamás |
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| Spengler, Thomas Stefan |
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| Al-Ammar, Essam A. |
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| Mota, Rui |
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| Mazalan, Nurul Aliah Amirah |
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| Macharis, Cathy | Brussels |
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| Arunasari, Yova Tri |
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| Nunez, Alfredo | Delft |
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| Bouhorma, Mohammed |
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| Bonato, Matteo |
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| Autor Correspondente Coelho, Sílvia. |
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| Pond, Stephen |
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| Okwara, Ukoha Kalu |
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| Toufigh, Vahid |
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| Campisi, Tiziana | Enna |
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| Ermolieva, Tatiana |
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| Sánchez-Cambronero, Santos |
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| Agzamov, Akhror |
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Easa, Said M.
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Publications (12/12 displayed)
- 2024Improving Safety of Rural Intersection with Approaching Reverse Curve
- 2024Operating-Speed Models for Horizontal Curves on Two-Lane Rural Highways: Case Study in Nigeria
- 2024Study on the Effect of Variation in the Geometric Parameters of the Work-Zone on Traffic Safety Using the Simulation Approach
- 2024Redesigning an Urban Midblock Section to Improve Safety and Level of Service: Case Study in the Niagara Region
- 2024Performance Evaluation of Turbo and Double-Lane Roundabouts
- 2024Needs of Autonomous Vehicles for Safe Operation on Existing Highways
- 2022Improving Selected Intersections Across Niagara Region for Miovision’s Smart City Program
- 2020Path and Control Planning for Autonomous Vehicles in Restricted Space and Low Speedcitations
- 2019Modeling of Unsymmetrical Single-lane Roundabouts based on Stopping Sight Distancecitations
- 2016Versatile general elliptic open channel cross sectioncitations
- 2015Evaluation of nonlinear Muskingum model with continuous and discontinuous exponent parameterscitations
- 2014New open channel with elliptic sides and horizontal bottomcitations
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document
New open channel with elliptic sides and horizontal bottom
Abstract
This paper presents a new general open channel section with elliptic sides and horizontal bottom. The proposed section produces special channel forms, such as a circular section with a horizontal bottom, a circular section, and a rectangular section. Exact and approximate formulas for the area and perimeter of the channel are derived. These formulas are then used to develop an optimization model for determining the optimal section design that minimizes the total construction cost for excavation and composite linings. In addition, the most hydraulically efficient elliptic section was derived. The constraints of the optimization model include channel discharge and physical requirements, such as flow depth, top width, and side slope with fixed or depth-dependent freeboard. The cost performance of the proposed section was compared with another general open channel section (power-law) and the trapezoidal section using different design scenarios. The results show that the new section is substantially more economical and more flexible than the existing power-law section, and is generally superior to the trapezoidal section.
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