Reduction of local scour around a bridge pier by using different shapes of pier slots and collars

A Bestawy, T Eltahawy, A Alsaluli, A Almaliki… - Water …, 2020 - iwaponline.com
Local scour around bridge piers is one of the main causes of bridge failure all over the
world. Experimental and hydraulic models were carried out to investigate two types of scour …

A non-tuned machine learning technique for abutment scour depth in clear water condition

H Bonakdari, F Moradi, I Ebtehaj, B Gharabaghi… - Water, 2020 - mdpi.com
Abutment scour is a complex three-dimensional phenomenon, which is one of the leading
causes of marine structure damage. Structural integrity is potentially attainable through the …

A novel-tuned Custom ensemble machine learning model to predict abutment scour depth in clear water conditions

L Kumar, MS Afzal, S Ghosh - AQUA—Water Infrastructure …, 2023 - iwaponline.com
Most bridge failures occur due to the development of scour holes around the abutment and
pier. Therefore, accurate prediction of abutment scour depth is critical for designing and …

Experimental Investigation on the Effectiveness of Nanosilica for Reducing Local Scour Around Cylindrical Bridge Piers

AS Dheyab, M Günal - Arabian Journal for Science and Engineering, 2024 - Springer
Local scour is one the leading factors contributing to bridge failures. This phenomenon can
be defined as the consequences of the erosion force of the flow of the sediments in the …

An entrainment model for non‐uniform sediment

M Elhakeem, AMA Sattar - Earth Surface Processes and …, 2015 - Wiley Online Library
A model was developed for the prediction of the entrainment rate of non‐uniform sediment
considering the movement of bedforms. Laboratory experiments were conducted to advance …

Scour depth under pipelines placed on weakly cohesive soils

M Postacchini, M Brocchini - Applied Ocean Research, 2015 - Elsevier
We here study the scouring processes that evolve around a submarine pipeline placed on a
weakly cohesive seabed. We first analyze some laboratory tests carried out by Vijaya Kumar …

[PDF][PDF] Local scour around a bridge pier under ice-jammed flow condition–an experimental study

J Wang, Z Hou, H Sun, B Fang, J Sui… - Journal of Hydrology and …, 2021 - sciendo.com
The appearance of an ice jam in a river crucially distorts local hydrodynamic conditions
including water level, flow velocity, riverbed form and local scour processes. Laboratory …

Influence of cohesion on scour around submerged dike founded in clay–sand–gravel mixtures

AS Lodhi, RK Jain, PK Sharma - ISH Journal of Hydraulic …, 2016 - Taylor & Francis
This study presents the influence of cohesion on scour depth around submerged spur dike
founded in the mixtures of cohesive sediment consisting of clay–gravel and clay–sand …

Scour depth model for grade-control structures

AMA Sattar, K Plesiński, A Radecki-Pawlik… - Journal of …, 2018 - iwaponline.com
Grade-control structures (GCS) are commonly used to protect fish habitat by preventing
excessive river-bed degradation in mountain streams. However, flow over the GCS can …

Estimation of maximum scour depth around bridge piers under ice-covered conditions using data-driven methods

H Nezaratian, A Hassanjabbar, P Wu - International Journal of Sediment …, 2023 - Elsevier
The scouring around bridge foundations is a significant concern in civil engineering. Several
research has been conducted experimentally and numerically to study the maximum scour …