شماره ركورد كنفرانس :
4888
عنوان مقاله :
Reduction of local scour around a bridge pier using triple rectangular plates
Author/Authors :
Alireza، pourzaker arabani department of civil engineering - faculty of engineering - Islamic Azad University, Central Tehran Branch , Hooman، hajikandi department of civil engineering - faculty of engineering - Islamic Azad University, Central Tehran Branch
كليدواژه :
local scour , triple plates , clear water
عنوان كنفرانس :
دومين همايش ملي پژوهش هاي كاربردي در مهندسي عمران، معماري و مديريت شهري
چكيده فارسي :
فاقد چكيده فارسي
چكيده لاتين :
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 also
found that the proposed setup act simultaneously as both the bed armoring and flow altering
countermeasure.
