CONTROL OF SCOUR AT BRIDGE ABUTMENT AT RIVER BEND BY RIPRAP

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MANSOURI HAFSHEJANI M.; SHAFAIE BEJESTAN M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: IRANIAN WATER RESEARCH JOURNAL Year:2012 | Volume:5 | Issue:9 Page(s): 73-82

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Information Journal Paper

Title

CONTROL OF SCOUR AT BRIDGE ABUTMENT AT RIVER BEND BY RIPRAP

Author(s)

MANSOURI HAFSHEJANI M. | SHAFAIE BEJESTAN M. | Issue Writer Certificate

Keywords

RIVER BENDQ2

BRIDGE ABUTMENTQ2

SCOURINGQ2

RIPRAPQ1

Abstract

Using RIPRAP is one of the common and economical methods for BRIDGE ABUTMENT protection against SCOURING. Literature review showed that no study could be found for designing RIPRAP size for protection of bed at BRIDGE ABUTMENTs which are located at the bends of rivers. For this purpose, physical model experiments were conducted with three types of RIPRAPs of specific gravities of 1.51, 2.05 and 2.65, and sizes of 4.75, 9.52, 12.7 and 19.05 millimeters. Tests were conducted under various discharges of 17, 20, 23 and 28 lit/s (corresponding to the Froude number ranging from 0.19 to 0.58). The wing wall abutment was located at 75o of 90o of the RIVER BEND. The suitable size of RIPRAP diameter at the BRIDGE ABUTMENT located on the RIVER BEND was suggested in the form of a formula with error percent of 5.8, and correlation coefficient of 0.97. The formula developed in this research was compared with formulas of earlier studies on RIPRAP around abutments in straight channels, and suitable correction coefficient was suggested for corresponding straight channel relations to be applicable for RIVER BENDs.

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References

INVESTIGATION OF RIPRAP PATTERN IN THE VICINITY OF BRIDGE PIERS GROUP

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APA: Copy

MANSOURI HAFSHEJANI, M., & SHAFAIE BEJESTAN, M.. (2012). CONTROL OF SCOUR AT BRIDGE ABUTMENT AT RIVER BEND BY RIPRAP. IRANIAN WATER RESEARCH JOURNAL, 5(9), 73-82. SID. https://sid.ir/paper/159754/en

Vancouver: Copy

MANSOURI HAFSHEJANI M., SHAFAIE BEJESTAN M.. CONTROL OF SCOUR AT BRIDGE ABUTMENT AT RIVER BEND BY RIPRAP. IRANIAN WATER RESEARCH JOURNAL[Internet]. 2012;5(9):73-82. Available from: https://sid.ir/paper/159754/en

IEEE: Copy

M. MANSOURI HAFSHEJANI, and M. SHAFAIE BEJESTAN, “CONTROL OF SCOUR AT BRIDGE ABUTMENT AT RIVER BEND BY RIPRAP,” IRANIAN WATER RESEARCH JOURNAL, vol. 5, no. 9, pp. 73–82, 2012, [Online]. Available: https://sid.ir/paper/159754/en

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