Evaluation and comparison of the slots and collars performance in reducing scouring around bridge abutments

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Osrush Mahdi; HOSSEINI SEYED ABBAS; Kamanbedast Amirabbas

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Journal Paper

Paper Information

Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2020 | Volume:52 | Issue:7 Page(s): 1637-1650

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Information Journal Paper

Title

Evaluation and comparison of the slots and collars performance in reducing scouring around bridge abutments

Author(s)

Osrush Mahdi | HOSSEINI SEYED ABBAS | Kamanbedast Amirabbas | Issue Writer Certificate

Keywords

bridge abutment

local scouring

Slot

collar

erodible bed

Abstract

The bridge failure caused by the local scouring phenomenon around its piers or abutments is a common phenomenon. Therefore, some methods should be used to prevent the destruction of these structures. Slots and collars are among the tools that can be used for this purpose. Therefore, by conducting 49 tests in this research, we will examine and compare the performance of these two tools with new approaches around bridge abutments using an experimental model in different flow conditions. The results show that although the most effective Slot model can reduce the dimensions and depth of scour hole by 61%, it cannot postpone the start of the scouring phenomenon and take the scour hole away from the abutment surroundings. However, for the most effective collar and highest Froude number, the scour hole reaches the base point after 120 minutes from the start of the test. In this collar model, the maximum depth of scour hole is shifted to a more distant point from the abutment, and the percentage of reduction in the depth of scour hole at the base point and erodible bed is 56% and 96%, respectively.

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APA: Copy

Osrush, Mahdi, HOSSEINI, SEYED ABBAS, & Kamanbedast, Amirabbas. (2020). Evaluation and comparison of the slots and collars performance in reducing scouring around bridge abutments. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 52(7 ), 1637-1650. SID. https://sid.ir/paper/1036537/en

Vancouver: Copy

Osrush Mahdi, HOSSEINI SEYED ABBAS, Kamanbedast Amirabbas. Evaluation and comparison of the slots and collars performance in reducing scouring around bridge abutments. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2020;52(7 ):1637-1650. Available from: https://sid.ir/paper/1036537/en

IEEE: Copy

Mahdi Osrush, SEYED ABBAS HOSSEINI, and Amirabbas Kamanbedast, “Evaluation and comparison of the slots and collars performance in reducing scouring around bridge abutments,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 52, no. 7 , pp. 1637–1650, 2020, [Online]. Available: https://sid.ir/paper/1036537/en

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