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:: Volume 14, Issue 49 (6-2020) ::
jwmseir 2020, 14(49): 40-49 Back to browse issues page
Control of Scour Around the Piles with Using Cable and Collar at the River
Mahmmud M Delf Lovimi, Alireza Masjedi *, Mohammad Heidarnejad, Amin Bordbar, Amir Abbas Kamanbedast
Abstract:   (531 Views)
In this study, in order to examine the joint of the cable and the collar in control of scour around the bridge piles, experiments were carried out in a rectangular plexiglass flume as a direct path. The experiments were carried out using three different cable diameters, three different thread angles and three rounds of the cable threaded at a steady current in clear water. The results of this study showed that, installing a cable and collar around the base of the cylinder is an effective factor in reducing the depth of scouring around it. Also, in all conditions of use of cable and collar, compared with the without collar mode, it increases the percentage of reducing scour depth around the cylindrical base. The use of collar on average reduces scour depth by about 43 percent compared to without collar condition. Also, the maximum scour depth in cable and collar conditions at a thread angle of 15 degree, a diameter ratio of 0.1 percent and triple threaded was about 63 percent.
Keywords: Collar, Cable, Scour depth, Sediment
Full-Text [PDF 778 kb]   (70 Downloads)    
Type of Study: Research | Subject: Special
Received: 2019/05/25 | Accepted: 2019/08/26 | Published: 2020/12/19
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M Delf Lovimi M, Masjedi A, Heidarnejad M, Bordbar A, Kamanbedast A A. Control of Scour Around the Piles with Using Cable and Collar at the River. jwmseir. 2020; 14 (49) :40-49
URL: http://jwmsei.ir/article-1-894-en.html


Volume 14, Issue 49 (6-2020) Back to browse issues page
مجله علوم ومهندسی آبخیزداری ایران Iranian Journal of Watershed Management Science and Engineering
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