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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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Najam us Saqib, Muhammad Akbar, Huali Pan, Guoqiang Ou, Muhammad Mohsin, Assad Ali and Azka Amin
In this study, curved risers stepped spillways models based on the increasing angle of suspension were tested to check for improvement in energy dissipation and pressure distributions. Four fourteen-steps stepped spillway models with a slope 1:0.84 were ...
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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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Sevda Mozaffari, Erfan Amini, Hossein Mehdipour and Mehdi Neshat
The significance of spillways is to allow the flood to be safely discharged from downstream. There is a strong correlation between the poor design of spillways and the failures of dams. In order to address this concern, the present study investigates the...
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Omed S. Q. Yousif, Kawa Z. Abdulrahman, Wazira Qadir, Ahang S. Ali and Moses Karakouzian
The hydraulic performance of round-cornered rectangular labyrinth weirs with varying weir heights and effective lengths has not been explored in the existing literature to the authors? knowledge. The purpose of this experimental study was to see how the ...
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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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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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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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Meysam Nouri, Parveen Sihag, Farzin Salmasi and Ozgur Kisi
In this study, the energy dissipation of cascade spillways was studied by conducting a series of laboratory experiments. Five spillways slope angles (a) (10°, 20°, 30°, 40°, and 50°), various step numbers (N) ranging from 4 to 75, and a wide range of dis...
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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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