LOCAL SCOUR PROTECTION OF CIRCULAR BRIDGE PIER GROUPS USING SLOT

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HEYDARPOUR M.; AFZALI MEHR H.; KHODA RAHMI Z.

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Journal Paper

Paper Information

Journal: Journal of Agricultural Sciences and Natural Resources Year:2007 | Volume:14 | Issue:3 Page(s): 174-185

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Information Journal Paper

Title

LOCAL SCOUR PROTECTION OF CIRCULAR BRIDGE PIER GROUPS USING SLOT

Author(s)

HEYDARPOUR M. | AFZALI MEHR H. | KHODA RAHMI Z. | Issue Writer Certificate

Keywords

LOCAL SCOURINGQ2

BRIDGE PIER GROUPSQ2

BRIDGE PIER PROTECTIONQ3

SLOTQ1

Abstract

The main cause of concern about the stability of bridge foundation is the occurrence of scour around the piers. Therefore, there is an interest in finding reliable ways to reduce and control local scour depth. The use of SLOT through a pier is one of the new proposed methods for controlling and reduction of local scour at bridge piers. This study examines the effect of using rectangular SLOTs through the pier groups at clear water condition. The results of experiments show that in pier groups, reinforcing effect causes that the scour depth at front pier is more than that at a single pier. Also, sheltering effect causes that the scour depth at rear pier is less than that at a single pier. The presence of a SLOT in a two and three pier groups causes the reinforcing effect increases and sheltering effect decreases. The efficacy of a SLOT in rear pier is more than that in front pier and single pier for three and two pier groups with S=4b. It was also found that the efficacy of SLOT for two and three pier groups with S=2b for all piers are almost similar and similar to the single pier. Efficacy of SLOT in reduction of scour depth, increased with increasing pier spacing.

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APA: Copy

HEYDARPOUR, M., AFZALI MEHR, H., & KHODA RAHMI, Z.. (2007). LOCAL SCOUR PROTECTION OF CIRCULAR BRIDGE PIER GROUPS USING SLOT. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(3), 174-185. SID. https://sid.ir/paper/9726/en

Vancouver: Copy

HEYDARPOUR M., AFZALI MEHR H., KHODA RAHMI Z.. LOCAL SCOUR PROTECTION OF CIRCULAR BRIDGE PIER GROUPS USING SLOT. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2007;14(3):174-185. Available from: https://sid.ir/paper/9726/en

IEEE: Copy

M. HEYDARPOUR, H. AFZALI MEHR, and Z. KHODA RAHMI, “LOCAL SCOUR PROTECTION OF CIRCULAR BRIDGE PIER GROUPS USING SLOT,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 3, pp. 174–185, 2007, [Online]. Available: https://sid.ir/paper/9726/en

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