CFD simulation of local scouring around airfoil-shaped bridge piers with and without collar
In this paper, the effectiveness of airfoil-shaped pier with and without a collar on local scour
depth reduction is numerically investigated utilizing FLOW-3D model. The results show that …
depth reduction is numerically investigated utilizing FLOW-3D model. The results show that …
Local scour depth at a bridge pier protected by a collar in steady and unsteady flow
M Karimaei Tabarestani… - Proceedings of the …, 2019 - icevirtuallibrary.com
Scour hole development around a circular bridge pier protected by a collar under steady
and unsteady flow conditions is thoroughly investigated. At the first stage, formation of a …
and unsteady flow conditions is thoroughly investigated. At the first stage, formation of a …
Effects of increasing the width of collar on reduction of scouring surrounding the rectangular piers in a 180-degree bend
Employment of protective structures is vital for reducing the effect of the local scour created
surrounding the bridge piers. One of the most effective protective structures used for …
surrounding the bridge piers. One of the most effective protective structures used for …
Evaluation of collar efficiency to prevent scouring around cylindrical bridge piers under live bed condition
The present study was carried out to experimentally investigate the effect of single and
double collar on development of local scouring around cylindrical bridge piers under live …
double collar on development of local scouring around cylindrical bridge piers under live …
Mitigating scour around bridge piers in alluvial channels using inclined collars
H Hamidifar, SMA Kowsar - Geomorphology, 2025 - Elsevier
Effective mitigation of scour around bridge piers is crucial not only for ensuring structural
stability but also for managing the morphological changes in rivers. This study investigates …
stability but also for managing the morphological changes in rivers. This study investigates …
[PDF][PDF] Experimental investigation of the river materials mining effect on the scouring around armed pier groups
The scouring phenomenon around the bridge piers depends on the hydraulic properties of
the flow, shape, and spacing of the pier relative to each other, the material and grading of …
the flow, shape, and spacing of the pier relative to each other, the material and grading of …
Reliability study on uncertainty parameters and flood duration on scouring around unprotected and protected bridge piers
Empirical equations for predicting local scour depth around bridge piers only consider the
effects of hydraulic parameters and do not take into account the uncertainties involved in …
effects of hydraulic parameters and do not take into account the uncertainties involved in …
Design of riprap stone around bridge piers using empirical and neural network method
An attempt was made to develop a method for sizing stable riprap around bridge piers
based on a huge amount of experimental data, which is available in the literature. All …
based on a huge amount of experimental data, which is available in the literature. All …
On the effect of green nonstructural materials on scour reduction downstream of grid dissipators
In this study, a nonstructural and eco-friendly solution has been used to reduce scouring
downstream of screens. Upstream of the screen are stilling basins protected against …
downstream of screens. Upstream of the screen are stilling basins protected against …
Experimental study of the effect of non-structural materials on scouring of bridge piers with removal of river material: cationic polyacrylamide (PAM)
Scouring damage to piers is a major risk factor for hydraulic structures. In this research, a
new eco-friendly method has been proposed to reduce both the length and depth of …
new eco-friendly method has been proposed to reduce both the length and depth of …