Reduction of local scour around a bridge pier using triple rectangular plates
Publish place: The Second National Conference on Applied Research in Civil Engineering, Architecture and Urban Management
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CEUCONF02_057
تاریخ نمایه سازی: 1 مهر 1394
Abstract:
The performance of vertical triple plates as a new countermeasure in control of local scour around a cylindrical model pier is studied. Two ones of the plates are attached to the side wall one of the pier at one pier diameter distance, extending toward upstream distance and the third one is located in the middle, attached to the pier nose. All the three plates are parallel to flow direction. Experiments are conducted for five different depths of flow and two different lengths of the lateral plates, namely 8 and 14 cm. all the runs are performed under the clear water flow over uniform sediment. The results showed a maximum efficiency of 76% in scour reduction for 8 cm long side plates and 85% for 14 cm long ones.it is alsofound that the proposed setup act simultaneously as both the bed armoring and flow altering countermeasure
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Authors
Alireza pourzaker arabani
Former graduated student, faculty of engineering, department of civil engineering, Islamic Azad University, Central Tehran Branch
Hooman hajikandi
Assistant professor, faculty of engineering department of civil engineering Islamic Azad University,Central Tehran Branch
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