A COUNTERMEASURE FOR SCOUR REDUCTION AT BRIDGE
ABUTMENTSK. Khodemi1 and M. Shafai Bejestan2
Abstract
During past few decades the cause of many bridge failures reported to be abutment scour. A great number
of researches have been conducted to developed countermeasures for safety of the existing bridges. Submerged
vane is a new technique which has been used for many practical river engineering works and in
this paper the results of primary tests for the case of abutments are presented. Several tests were conducted
with and without vane. Different location, number of vanes and vane angles were examined. The conclusion
was that vane can effectively force the flow to separate from the abutment causing reduction of scour
depth at the toe of abutment.
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