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Matthew G. Montgomery, Miles B. Yaw and John S. Schwartz
Probabilistic risk methods are becoming increasingly accepted as a means of carrying out risk-informed decision making regarding the design and operation policy of structures such as dams. Probabilistic risk calculations require the quantification of epi...
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Yavar Jalili Kashtiban, Ali Saeidi, Marie-Isabelle Farinas and Javier Patarroyo
Erosional incidents have heightened the necessity of studies regarding rock mass erosion in unlined dam spillways. Enhanced comprehension of hydraulic erodibility necessitates an investigation into the geomechanical and hydraulic aspects of erosional phe...
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Monica Moroni, Myrta Castellino and Paolo De Girolamo
Issues such as the design or reauditing of dams due to the occurrence of extreme events caused by climatic change are mandatory to address to ensure the safety of territories. These topics may be tackled numerically with Computational Fluid Dynamics and ...
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Francisco Javier Caballero, Miguel Ángel Toledo, Rafael Moran and Javier San Mauro
Dam safety requirements have become stronger in recent years, highlighting, among other issues, the need to increase the discharge capacity of existing spillways and the protection of embankment dams against potential overtopping, which are particularly ...
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Muhammad Kaleem Sarwar, Muhammad Atiq Ur Rehman Tariq, Rashid Farooq, Hafiz Kamran Jaleel Abbasi, Faraz Ul Haq, Ijaz Ahmad, Muhammad Izhar Shah, Anne. W. M. Ng and Nitin Muttil
Shock waves are generated downstream of spillways during flood operations, which have adverse effects on spillway operations. This paper presents the physical model study of shock waves at the Mohmand Dam Spillway project, Pakistan. In this study, hydrau...
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Awais Raza, Wuyi Wan and Kashif Mehmood
Spillway is a crucial hydraulic structure used to discharge excess water from the dam reservoir. Air entrainment is essential to prevent cavitation damage on the spillway, however, without air entrainment the risk of cavitation over the spillway increase...
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Dmytro Stefanyshyn,Daniel Benatov
Pág. 55 - 69
The problem of forecasting emergency situations at hydraulic facilities of a hydroelectric complex, forming its pressure waterfront, based on the application of a logical-probabilistic approach is considered.The relevance of the studies and their practic...
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Raffaella Pellegrino, Miguel Ángel Toledo and Víctor Aragoncillo
The sky-jump spillway is an economical and effective solution to return water to a river, eventually complemented by a pre-excavated basin. However, an inappropriate design could endanger spillways and even the dam itself. For the design of a sky-jump it...
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Aristotelis Koskinas, Aristoteles Tegos, Penelope Tsira, Panayiotis Dimitriadis, Theano Iliopoulou, Panos Papanicolaou, Demetris Koutsoyiannis and Tracey Williamson
In February 2017, a failure occurring in Oroville Dam’s main spillway risked causing severe damages downstream. A unique aspect of this incident was the fact that it happened during a flood scenario well within its design and operational procedures...
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Juan César Luna-Bahena, Oscar Pozos-Estrada, Víctor Manuel Ortiz-Martínez and Jesús Gracia-Sánchez
Crest piers placed on overflow spillways induce standing waves at the downstream end of them and the supercritical flow expands after flowing past the rear of the pier. The expanding flow from each side of a pier will intersect and form disturbances or s...
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