THE EFFECT OF CONVEX-FLAT SUBMERGED VANE ANGLES OF ATTACK AND HEIGHT ON BRIDGE PIER SCOURING

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PARCHAMI L.; ASGHARIPARI S.A.; SHAFAIE BAJESTAN M.

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Paper Information

Journal: Iranian Journal of Irrigation and Drainage Year:2016 | Volume:10 | Issue:4 Page(s): 444-453

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Title

THE EFFECT OF CONVEX-FLAT SUBMERGED VANE ANGLES OF ATTACK AND HEIGHT ON BRIDGE PIER SCOURING

Author(s)

PARCHAMI L. | ASGHARIPARI S.A. | SHAFAIE BAJESTAN M. | Issue Writer Certificate

Keywords

ANGLES OF ATTACKQ1

BRIDGE PIERQ2

HEIGHTQ2

SCOURINGQ2

SUBMERGED VANESQ2

Abstract

One of the methods to decrease scour around the BRIDGE PIERs is the use of SUBMERGED VANES. Vanes change the regime of bed load movement that led to control place of deposition and erosion. The function of vanes to reduce scour around the BRIDGE PIERs and sediment movement in the region of vanes due to down flow in front of them are affected by arrays of the vanes. In the present study, physical hydraulic model testing was performed to investigate various ANGLES OF ATTACK and HEIGHT of convex-flat vanes. Experiments were conducted in a 10m long and 0.3m wide flume and a cylindrical pier of 2.54 cm diameter. Clear-water scour tests with u/uc=0.92 were performed. The length of the vanes was equal the pier width. The highest reduction in scour depth was achieved an angle of 20o for a vane HEIGHT equal to 0 cm.

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APA: Copy

PARCHAMI, L., ASGHARIPARI, S.A., & SHAFAIE BAJESTAN, M.. (2016). THE EFFECT OF CONVEX-FLAT SUBMERGED VANE ANGLES OF ATTACK AND HEIGHT ON BRIDGE PIER SCOURING. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 10(4 ), 444-453. SID. https://sid.ir/paper/131586/en

Vancouver: Copy

PARCHAMI L., ASGHARIPARI S.A., SHAFAIE BAJESTAN M.. THE EFFECT OF CONVEX-FLAT SUBMERGED VANE ANGLES OF ATTACK AND HEIGHT ON BRIDGE PIER SCOURING. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2016;10(4 ):444-453. Available from: https://sid.ir/paper/131586/en

IEEE: Copy

L. PARCHAMI, S.A. ASGHARIPARI, and M. SHAFAIE BAJESTAN, “THE EFFECT OF CONVEX-FLAT SUBMERGED VANE ANGLES OF ATTACK AND HEIGHT ON BRIDGE PIER SCOURING,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 10, no. 4 , pp. 444–453, 2016, [Online]. Available: https://sid.ir/paper/131586/en

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