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A platform for research: civil engineering, architecture and urbanism
Study of Transient Flow Caused by Rapid Filling and Drawdown in Protection Levees
The aim of this paper is to study the transient flow caused by rapid filling and drawdown in levees constructed in order to protect urban areas exposed to flooding. In particular, the behavior of typical protection levees constructed in Villahermosa City in Tabasco Mexico affected by intense rainfalls at the end of 2007 is assessed. The analyses are performed by numerical modeling based on finite element method. The emphasis is on the study of time variation of flow velocities and hydraulic gradients in several points of interest within these structures. Results of parametric analyses varying magnitude and velocities of filling or drawdown are also given. Besides, the changing configuration of saturation and desaturation lines at different times of the transient flow is illustrated. Finally, general conclusions concerning these types of analyses are provided.
Study of Transient Flow Caused by Rapid Filling and Drawdown in Protection Levees
The aim of this paper is to study the transient flow caused by rapid filling and drawdown in levees constructed in order to protect urban areas exposed to flooding. In particular, the behavior of typical protection levees constructed in Villahermosa City in Tabasco Mexico affected by intense rainfalls at the end of 2007 is assessed. The analyses are performed by numerical modeling based on finite element method. The emphasis is on the study of time variation of flow velocities and hydraulic gradients in several points of interest within these structures. Results of parametric analyses varying magnitude and velocities of filling or drawdown are also given. Besides, the changing configuration of saturation and desaturation lines at different times of the transient flow is illustrated. Finally, general conclusions concerning these types of analyses are provided.
Study of Transient Flow Caused by Rapid Filling and Drawdown in Protection Levees
López-Acosta, N. P. (author) / Auvinet, G. (author) / Lezama, J. L. (author)
International Conference on Scour and Erosion (ICSE-5) 2010 ; 2010 ; San Francisco, California, United States
Scour and Erosion ; 316-325
2010-10-29
Conference paper
Electronic Resource
English
Study of Transient Flow Caused by Rapid Filling and Drawdown in Protection Levees
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