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A hybrid feed-forward neural network with grasshopper optimization for observing pattern of scour depth around bridge piers
This paper uses the recently proposed grasshopper optimization algorithm (GOA) to develop a new hybrid, stochastic training algorithm for the...
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Rock Scour Model for Unlined Plunge Pools and Stilling Basins
This paper presents a new scour model (SM) that is able to evaluate the rock scour development, shape, ultimate depth and probability of occurrence....
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Effect of apron length on local scour at the downstream of grade control structures with labyrinth planform
Grade control structures are commonly used for river restoration projects by changing the upstream river bed slope and the approaching flow...
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A Field Quantification of Soil Erosion Processes at Chinese Black Soil Hillslopes under Successive Overland Flow Scour Events in Summer and Spring Seasons
AbstractSoil erosion threatens soil resources, agricultural productivity, and environmental quality. However, soil erosion characteristics under...
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Scour around spur dike in curved channel: a review
A spur dike is a hydraulic structure, protruding in a river or channel used for several purposes like protection of river-bank erosion and deepening...
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Experimental Investigation of Local Scour Around Artificial Reefs in Steady Currents
Artificial reef is a man-made object that is deployed purposefully on the seafloor to restore the offshore fishery resources and the ecological...
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Experimental study of debris-induced scour around a slotted bridge pier
One of the most common problems for river engineers is the accumulation of waterborne debris upstream of the bridge piers. In addition to reducing...
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Recognizing of the best different artificial intelligence method for determination of local scour depth around group piers in equilibrium time
Unlike calculation of scour depth around of a single pier, estimation of scour depth around group piers is a complex problem. In this research, four...
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Time-dependent scour processes on granular beds at large scale
A theoretical framework, based on the phenomenological theory of turbulence applied to scour-related processes due to plunging jets on cohesionless...
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An integration of adaptive neuro-fuzzy inference system and firefly algorithm for scour estimation near bridge piers
In this paper, for the first time, the scour pattern around twin bridge piers was predicted using an optimized hybrid algorithm. The hybrid algorithm...
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Local scour due to water jet from a nozzle with plates
In this study, local scour occurring downstream from a nozzle with and without plates formed in cohesionless materials was investigated...
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Generalized structure of group method of data handling to prognosticate scour around various cross-vane structures
In this study, for the first time, the scour pattern around cross-vane structures with I, U, and J shapes in bending channels is simulated by a new...
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Mathematical models for simulating the hydraulic behavior of flow deflectors: laboratory and CFD-based study
This study utilized computational fluid dynamics modeling to examine how the location, apex angle of flow deflectors and passageway percentage...
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Local scouring around perforated bridge abutments for non-cohesive soils
The effect of perforations on reduction of scouring at bridge abutments is studied experimentally. Different number of holes were placed through two...
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Experimental investigation of temporal evaluations of scouring downstream of culvert
The investigation of bed topography downstream of culverts is very important. Since bed topography goes through extreme changes through time, this...
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Numerical study of upstream submerged vanes affecting bed in a sharp bend with a bridge pier via SSIIM software
Various protective measures are employed to alter flow patterns and mitigate the intensity of vortices and resulting scour around bridge piers. One...
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Experimental investigation of the effect of permeability and angle of gabion submerged vane on bed topography
Submerged vanes are used as an eco-friendly low-cost measure for the management of river bed sediment. The performance of the vane is more sensitive...
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Effect of complex shape of pier foundation exposure on time development of scour
Local pier scour has been recognized as one of the most significant causes of bridge failures. Despite numerous studies on the subject of local pier...
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A new mathematical model to calculate the equilibrium scour depth around a pier
This paper sheds light on the formulation of a new equilibrium local scour depth equation around a pier. The total bed materials removed from the...
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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...
