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Ciencia e Ingeniería Neogranadina
versão impressa ISSN 0124-8170versão On-line ISSN 1909-7735
Resumo
RIVERA-SOLER, Lorena; DAZA RAMIREZ, Daniel Fabián e TORRES, Carlos Eduardo. Influence of grain size, pile shape, and hydrological parameters on scouring. Cienc. Ing. Neogranad. [online]. 2022, vol.32, n.2, pp.27-42. Epub 30-Dez-2022. ISSN 0124-8170. https://doi.org/10.18359/rcin.5257.
The objective of this work was to establish the influence of river bed granulometry, bridge pile shape, and hydrologic parameters on scour depth based on a physical model. For the experimental development, granular soil from a river was used and laboratory tests were carried out to determine the particle size distribution using materials whose classification, according to the Unified Soil Classification System (USCS), is SP (poorly graded sand) SW (well-graded sand), SP-SC (poorly graded sand with clay). In addition, a statistical analysis was performed to determine the significant differences between each of the variables and their influence on the process. It was found that there is a strong relationship between the shape of the pile, flow rate, and granulometry, with the hydrodynamic characteristics of the flow as it passes through the piles, as well as the scour depth.
Palavras-chave : scour; pile shape; grain size; flow rate; physical model; statistical analysis.