Experimental study on the optimum installation depth and dimensions of roughening elements on abutment as scour countermeasures

M Zolghadr, SMA Zomorodian, A Fathi, RP Tripathi… - Fluids, 2023 - mdpi.com
The causes of many bridge failures have been reported to be local scour around abutments.
This study examines roughening elements as devices with which to intercept the downflow …

A Review and Design Principle of Fixed-Bottom Foundation Scour Protection Schemes for Offshore Wind Energy

D Gao, X Pan, B Liang, B Yang, G Wu… - Journal of Marine Science …, 2024 - mdpi.com
Foundation scour is the erosion of sediments around pile foundations by wave and current
in offshore wind energy. This phenomenon destabilizes foundations and poses a threat to …

Mitigating scour at bridge abutments: an experimental investigation of waste material as an eco-friendly solution

N Murtaza, ZU Khan, KM Khedher, RA Amir, D Khan… - Water, 2023 - mdpi.com
Scouring around bridge abutments is a crucial and complex process that sometimes may
lead to the failure of the bridge abutment. Therefore, in the present research, scouring …

Combination of riprap and submerged vane as an abutment scour countermeasure

A Fathi, SMA Zomorodian, M Zolghadr, A Chadee… - Fluids, 2023 - mdpi.com
Scour is one of the main causes of hydraulic structural failures. The present experimental
study examines the use of riprap, submerged vanes, and a combination of these for scour …

Laboratory investigation to control of downstream scour in a specific model of stepped spillway by six-legged concrete elements (A-Jack)

A Dah-Mardeh, G Azizyan, MS Bejestan, A Parsaie… - Ocean …, 2024 - Elsevier
Scour control and reduce in downstream of the stepped spillway is crucial to prevent the
probable failure of the hydraulic structures. In the current experimental study, the application …

Protecting vertical-wall bridge abutment using six-pillar concrete elements

M Zolghadr, MS Bejestan, A Fathi… - Arabian Journal of …, 2022 - Springer
Statistics reveal that abutment scour is a major cause of bridge failure throughout the world.
Therefore, it is vital to propose methods to protect bridges and mitigate scour. Although …

The characteristics of a novel environmentally friendly countermeasure against bridge abutments scour depth

M Shafai Bejestan, N Raee, R Azizi - Acta Geophysica, 2024 - Springer
Destruction of many bridges around the world has been found to be due to the collapse of its
abutments owing to the formation of scour. Various methods have been proposed so far to …

Laboratory evaluation of permeable triangular vanes with six-pillar elements placed in the outer bend of a 180° flume

MR Kalamizadeh, AA Kamanbedast… - Arabian Journal of …, 2021 - Springer
Extending the dimensions of the scour hole in the riverbank near the outer bank of
meandering river which usually developed in the flat area can cause river bank failure and …

Hydrodynamic Performance of A‐Jacks Concrete Armor Units in Riverbeds around Downstream in Flip Buckets

K Khalifehei, G Azizyan… - Shock and Vibration, 2021 - Wiley Online Library
The jet flipped from flip buckets hits the dam's downstream side as a free jet with an
immense amount of energy, leading to bed erosion. Erosion of river bed materials …

[PDF][PDF] Combination of Riprap and Submerged Vane as an Abutment Scour Countermeasure. Fluids 2023, 8, 41

A Fathi, SMA Zomorodian, M Zolghadr, A Chadee… - 2023 - academia.edu
Scour is one of the main causes of hydraulic structural failures. The present experimental
study examines the use of riprap, submerged vanes, and a combination of these for scour …