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Publikācija: Contraction Rate

Publication Type Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Funding for basic activity Unknown
Defending: ,
Publication language English (en)
Title in original language Contraction Rate, Flow Modification and Bed Layering Impact on Scour at the Elliptical Guide Banks
Field of research 2. Engineering and technology
Sub-field of research 2.1. Construction and transportation engineering
Research platform None
Authors Boriss Gjunsburgs
Gints Jaudzems
Mārīte Bižāne
Viktoriya Bulankina
Keywords contraction,flow,bed layering,scour
Abstract Flow contraction by the bridge crossing structures, intakes, embankments, piers, abutments and guide banks leads to general scour and the local scour in the vicinity of the structures. Local scour is depending on flow, river bed and structures parameters and correct understanding of the impact of each parameter can reduce failure possibility of the structures. The paper explores hydraulic contraction, the discharge redistribution between channel and floodplain during the flood, local flow modification and river bed layering on depth, width and volume of scour hole near the elliptical guide banks on low-land rivers. Experiments in a flume, our method for scour calculation and computer modelling results confirm a considerable impact of the contraction rate of the flow, the discharge redistribution between channel and floodplain, the local velocity, backwater and river bed layering on the depth, width, and volume of scour hole in steady and unsteady flow, under clear water condition.
DOI: 10.1088/1757-899X/251/1/012061
Hyperlink: https://iopscience.iop.org/article/10.1088/1757-899X/251/1/012061/meta 
Reference Gjunsburgs, B., Jaudzems, G., Bižāne, M., Bulankina, V. Contraction Rate, Flow Modification and Bed Layering Impact on Scour at the Elliptical Guide Banks. In: IOP Conference Series: Materials Science and Engineering, Latvia, Riga, 27-29 September, 2017. online: IOP Publishing, 2017, pp.70-78. ISSN 1757-8981. e-ISSN 1757-899X. Available from: doi:10.1088/1757-899X/251/1/012061
Additional information Citation count:
  • Scopus  0
ID 26120