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Paper Information

Journal:   PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE)   WINTER 2017 , Volume 39 , Number 4 ; Page(s) 23 To 34.
 
Paper: 

EXPERIMENTAL INVESTIGATION OF THE EFFECT OF DEPTH OF PLACEMENT OF SIX-LEGS ELEMENTS ON SCOUR AT RECTANGULAR BRIDGE PIER

 
 
Author(s):  HOOSHMAND M.*, SHAFAI BEJESTAN M.
 
* FACULTY OF WATER SCIENCES ENGINEERING, SHAHID CHAMRAN UNIVERSITY OF AHVAZ, IRAN
 
Abstract: 

Pieve scour is one of the most important cause of bridge failure. Covering methods such as using riprap is among techniques which are widely applied for the existing bridges. For those places where the stones of adequate size are not available, use of six-legged elements which is the subject of this, study is a good choice. In this study the effect of placement of a single row six- legged around a rectangular bridge with 100% density in three different cases of above, mid and below the bed under five different Froude numbers of 0.24, 0.22, 0.19, 0.17 and 0.16 have been experimentally investigated. Comparison of the bed topography with mean measure of bed deposit of 0.7 mm of tests with six- legged and tests without elements showed that generally the elements can reduce the scour depth significantly. The elements placed on the mid of bed have shown better performancewith maximum reduction of about 57%. The general recommendation is to use these elements with geo-syntactic filter or placed in more rows.

 
Keyword(s): SCOUR, CLEAR WATER, SIX-LEGS ELEMENTS, BRIDGE PIER
 
 
References: 
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Citations: 
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APA: Copy

HOOSHMAND, M., & SHAFAI BEJESTAN, M. (2017). EXPERIMENTAL INVESTIGATION OF THE EFFECT OF DEPTH OF PLACEMENT OF SIX-LEGS ELEMENTS ON SCOUR AT RECTANGULAR BRIDGE PIER. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE), 39(4 ), 23-34. https://www.sid.ir/en/journal/ViewPaper.aspx?id=572064



Vancouver: Copy

HOOSHMAND M., SHAFAI BEJESTAN M.. EXPERIMENTAL INVESTIGATION OF THE EFFECT OF DEPTH OF PLACEMENT OF SIX-LEGS ELEMENTS ON SCOUR AT RECTANGULAR BRIDGE PIER. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE). 2017 [cited 2021July25];39(4 ):23-34. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572064



IEEE: Copy

HOOSHMAND, M., SHAFAI BEJESTAN, M., 2017. EXPERIMENTAL INVESTIGATION OF THE EFFECT OF DEPTH OF PLACEMENT OF SIX-LEGS ELEMENTS ON SCOUR AT RECTANGULAR BRIDGE PIER. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE), [online] 39(4 ), pp.23-34. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572064.



 
 
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