The Impact of Navigation Chevrons in St. Louis Harbor

Dyhouse, Gary R.; Brauer, Edward

doi:10.1061/41143(394)24

Cited by 1 publication

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“…The majority of studies that have considered river training structures have focused on the constructed structures' river training performance, environmental impact, or flood risk impact (Theiling, 1995;Davinroy, 1996;Maddock, 1999;Dyhouse and Brauer, 2010;Pinter et al, 2012;Remo et al, 2013;Sobotka and Phelps, 2017;Luo and Criss, 2018). On the other hand, only a handful of studies have investigated the hydrodynamic performance of these structures using laboratory experiments or numerical modelling (Papanicolaou and Elhakeem, 2006;Gessler et al, 2010;Huthoff et al, 2013;Zuijderwijk et al, 2013;Singh and Sharma, 2014).…”

Section: Introductionmentioning

confidence: 99%

Two-dimensional hydraulic modelling of submerged river training structures

Kvočka

2020

Acta Hydrotechnica

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River training structures, such as dikes and chevrons, are commonly used for improving riparian navigation conditions. These structures are usually submerged under most flows and are aligned at variable angles to the main river flow direction. In this study, two different approaches for two-dimensional hydraulic modelling of submerged dikes and chevrons in MIKE 21 Flow Model FM have been analysed: (i) by representing the geometry of the structures explicitly in the bathymetry of the river channel (i.e. bathymetry approach), and (ii) by utilising the “dike” sub-grid module, where the flow past a structure is calculated by employing an empirical discharge relationship (i.e. dike module approach). The model results have been compared to theoretical and empirical studies, as well as to field observations and measurements. The obtained results indicate that the bathymetry approach is the more appropriate method for simulating predominantly submerged river training structures. However, these types of models should be used only for general assessment of potential river engineering solutions. For more detailed analysis of solution options, more complex models are recommended, e.g. three-dimensional hydrodynamic models.

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Section: Introductionmentioning

confidence: 99%

Two-dimensional hydraulic modelling of submerged river training structures

Kvočka

2020

Acta Hydrotechnica

View full text Add to dashboard Cite

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The Impact of Navigation Chevrons in St. Louis Harbor

Cited by 1 publication

References 0 publications

Two-dimensional hydraulic modelling of submerged river training structures

Two-dimensional hydraulic modelling of submerged river training structures

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