| Issue |
E3S Web Conf.
Volume 40, 2018
River Flow 2018 - Ninth International Conference on Fluvial Hydraulics
|
|
|---|---|---|
| Article Number | 03002 | |
| Number of page(s) | 8 | |
| Section | Hydraulic structures and their effects on bed, flow regime and ecology | |
| DOI | https://doi.org/10.1051/e3sconf/20184003002 | |
| Published online | 05 September 2018 | |
Comparison between the circular and square collar in reduction of local scouring around bridge piers
Water Engineering Department, Ferdowsi University of Mashhad, Iran
* Corresponding author: khodashenas@ferdowsi.um.ac.ir
In this study operation of two types of circular and square collars has been investigated on a single cylindrical pier. The results showed that using of these two types of collars cause to reduction of scour depth especially under the bed level (elevation). This research showed that the square collar is more effective than circular shape in decreasing of the scour depth). The square and circular collars showed 70% and 50% decrease in rate of scour depth, respectively in compared with simple pier without collar.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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