Publications related to Reservoir Level Rise under Extreme Driftwood Blockage at Ogee Crest

The importance of young professionals for dam engineering in Switzerland

In Switzerland, hydropower is the main energy source and contributes to about 58.3% of the total production. The 2050 energy strategy aims to increase this share in the coming decades. This increase is a challenge for hydropower plants. The maintenance and ...

CRC Press/Balkema2023

Advances in Spillway Hydraulics: From Theory to Practice

Anton Schleiss, José Pedro Gamito de Saldanha Calado Matos

Over the past decades, significant advances have been achieved in hydraulic structures for dams, namely in water release structures such as spillway weirs, chutes, and energy dissipators. This editorial presents a brief overview of the eleven papers in thi ...

2023

Experimental investigations on plunge pool protection measures for Ilarion Dam in Greece

Anton Schleiss, Giovanni De Cesare, Azin Amini, Romain Nathan Hippolyte Merlin Van Mol

Ilarion Dam is a 130 m high earthfill dam at Aliakmon River in northern Greece. The dam was commissioned in 2010. It has two spillway tunnels with ski jumps at the outlets. The two spillways are designed to release a total discharge of 5'500 m3/s during th ...

2022

Plunge pool rehabilitation with prismatic concrete elements - case study and physical model of Ilarion dam in Greece

Romain Nathan Hippolyte Merlin Van Mol

The 130 m high Ilarion Dam is built on the Aliakmon River in northern Greece. The dam has two spillways with ski jumps at their ends and a plunge pool to cushion the impact of the jets. This pool has suered signicant scouring during several oods in recent ...

2021

Heightening of Very High Gravity Dams: The Case Study of the Grande Dixence

Giovanni De Cesare, Pedro Filipe De Almeida Manso, Basile Clerc

Heightening very high gravity dams is one of the solutions considered as part of the energy transition and to mitigate the effects of climate change. The paper presents a stepwise approach to assess the potential for dam heightening and its impact on the h ...

Springer, Cham2021

Effect of 30-Degree Sloping Smooth and Stepped Chute Approach Flow on the Performance of a Classical Stilling Basin

Anton Schleiss, Michael Pfister, José Pedro Gamito de Saldanha Calado Matos, Ivan Stojnic

Advances in dam construction techniques have significantly increased the number of stepped spillways implemented worldwide. Although stepped chutes provide enhanced energy dissipation along the chute, as compared to smooth chutes, an adequate energy dissip ...

2020

Heightening of very high gravity dams: the case study of the Grande Dixence

Giovanni De Cesare, Pedro Filipe De Almeida Manso, Basile Clerc

Dam heightening can provide large incremental positive impacts on storage with minimum incremental negative impacts, but requires deep knowledge of the structure and its foundation. Very high gravity dams are usually well studied and documented due to thei ...

2019

Computational modelling of fine sediment release using SEDMIX device with thrusters

Giovanni De Cesare, Azin Amini, Arianna Yadira Onate Paladines

Problem: Reservoir sedimentation occurs in dams worldwide, reducing the live storage available in the reservoirs. Possible solution: Jenzer-Althaus 2011) testes a water stirring device (called SEDMIX) that keeps sediments in suspension, enhancing its relea ...

2019

Hydraulic Reconstruction of the 1818 Gietro Glacial Lake Outburst Flood

Christophe Ancey, Tomás Alfredo Trewhela Palacios, Eric Bardou, Martin Funk

In the spring of 1818, ice avalanches from the Gietro Glacier created an ice dam, which in turn formed a glacial lake in the Drance Valley (Canton of Valais, Switzerland). Today, its maximum volume is estimated to have been 25x10(6) m(3). Cantonal authorit ...

2019

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Reservoir Level Rise under Extreme Driftwood Blockage at Ogee Crest

The importance of young professionals for dam engineering in Switzerland

Advances in Spillway Hydraulics: From Theory to Practice

Experimental investigations on plunge pool protection measures for Ilarion Dam in Greece

Plunge pool rehabilitation with prismatic concrete elements - case study and physical model of Ilarion dam in Greece

Heightening of Very High Gravity Dams: The Case Study of the Grande Dixence

Effect of 30-Degree Sloping Smooth and Stepped Chute Approach Flow on the Performance of a Classical Stilling Basin

Stilling Basin Performance Downstream of Stepped Spillways

Heightening of very high gravity dams: the case study of the Grande Dixence

Computational modelling of fine sediment release using SEDMIX device with thrusters

Hydraulic Reconstruction of the 1818 Gietro Glacial Lake Outburst Flood

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Effect of 30-Degree Sloping Smooth and Stepped Chute Approach Flow on the Performance of a Classical Stilling Basin

The importance of young professionals for dam engineering in Switzerland

Advances in Spillway Hydraulics: From Theory to Practice

Experimental investigations on plunge pool protection measures for Ilarion Dam in Greece

Plunge pool rehabilitation with prismatic concrete elements - case study and physical model of Ilarion dam in Greece

Heightening of Very High Gravity Dams: The Case Study of the Grande Dixence

Hydraulic Reconstruction of the 1818 Gietro Glacial Lake Outburst Flood

Computational modelling of fine sediment release using SEDMIX device with thrusters

Heightening of very high gravity dams: the case study of the Grande Dixence

Stilling Basin Performance Downstream of Stepped Spillways