Volume 15, Issue 57 (fall 2011)                   jwss 2011, 15(57): 1-9 | Back to browse issues page

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A. R. Masjedi, H. Kazemi, A. Moradi. Effect of Position of Bridge pier on Scouring Depth in 180 Degree Rivers. jwss 2011; 15 (57) :1-9
URL: http://jstnar.iut.ac.ir/article-1-1855-en.html
Effect of Position of Bridge pier on Scouring Depth in 180 Degree Rivers
A. R. Masjedi * , H. Kazemi , A. Moradi
, drmasjedi2007@yahoo.com
Abstract:   (13740 Views)
In this research, the effect of installing position of bridge pier on scouring depth was studied in a bend laboratory flume, which is made of Plexiglas with 180 bend and a relative radius of Rc/B=4.7. Tests were conducted using one pier 6 cm in diameter under four discharge conditions with constant depth of 12 cm and clear-water conditions. Flume bed was fully paved by uniform sand. It was found that maximum scouring depth occurred in bend when bridge pier was installed in the position of 60 degrees. Also, in all situations increased scouring depth occurred by increasing discharge.
Keywords: Local scour, Bridge pier, 180 degree bend, Secondary flow, Clear-water scour.
Full-Text [PDF 664 kb]   (3379 Downloads)    
Type of Study: Research | Subject: Ggeneral
Received: 2011/12/28 | Published: 2011/10/15
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