Reduction of local scour around bridge pier groups using collars

被引：82
作者：
Heidarpour, Manouchehr [1 ]
Afzalimehr, Hossein [1 ]
Izadinia, Elham
机构：
[1] Isfahan Univ Technol, Dept Water Engn, Esfahan, Iran
来源：
INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH | 2010年 / 25卷 / 04期
关键词：
Scour; Bridges; Group piers; Collar; CLEAR-WATER SCOUR; PROTECTION; LAYER; FLOW;
D O I：
10.1016/S1001-6279(11)60008-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this paper reduction of scour around group of two and three piers using circular collar has been carried out for the case of clear-water flow over uniform sediment. The efficiency of collars, with different sizes and spaces between piers is studied through experiments in group of two and three piers. The result reveals that collar has more influence in reduction of scour depth in rear piers than the first pier. Also, when the spacing between the piers increases the area without protection between the piers is washed away resulting deeper scour holes at the rear piers.
引用
收藏
页码：411 / 422
页数：12
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