EXPERIMENTAL INVESTIGATION OF EFFECT OF ATTACHED VANE INSTALLING ON BRIDGE ABUTMENT LOCAL SCOUR AND FLOW PATTERN

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KHADEMI KH.; SHAFAEI BEJESTAN M.; KHOZEYMEHNEZHAD H.

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Journal: Journal of Water and Soil Conservation Year:2016 | Volume:22 | Issue:6 Page(s): 187-201

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Title

EXPERIMENTAL INVESTIGATION OF EFFECT OF ATTACHED VANE INSTALLING ON BRIDGE ABUTMENT LOCAL SCOUR AND FLOW PATTERN

Author(s)

KHADEMI KH. | SHAFAEI BEJESTAN M. | KHOZEYMEHNEZHAD H. | Issue Writer Certificate

Keywords

VANEQ1

BRIDGE ABUTMENTQ1

LOCAL SCOURQ1

FLOW PATTERNQ1

Abstract

Background and Objectives: Already many studies have been done on the mechanism of scour around hydraulic structure especially bridges and methods for control or reduction of scour around them have been investigated and evaluated. In the field of scour around bridges, researches are more focused on scour of piers in compare with abutment. While the review of available information on the bridge required cost, the major problems are related to abutment. Therefore most costs has been spent in this part.Materials and Methods: In this study, the performance of VANE attached to the BRIDGE ABUTMENT and the influence of parameters such as height and angle of the VANE installing in the reduction of LOCAL SCOUR around BRIDGE ABUTMENT were investigated.Results: The results showed that the installing angle and height of VANE had a significant impact on the reduction of abutment scour. By increasing of the VANE height, the performance of VANE will be improved. Also the results showed that installing angle of 40° for VANE is most appropriate angle. Following this research, three-dimensional components of velocity were determined with electromagnetic velocimeter around abutment with attached VANE.Conclusion: Investigation of FLOW PATTERN around BRIDGE ABUTMENT in case of using submerged VANE showed that, this structure had an effective role on reduction of LOCAL SCOUR by creating a low velocity zone around BRIDGE ABUTMENT and control of primary vortexes.

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APA: Copy

KHADEMI, KH., SHAFAEI BEJESTAN, M., & KHOZEYMEHNEZHAD, H.. (2016). EXPERIMENTAL INVESTIGATION OF EFFECT OF ATTACHED VANE INSTALLING ON BRIDGE ABUTMENT LOCAL SCOUR AND FLOW PATTERN. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 22(6), 187-201. SID. https://sid.ir/paper/156364/en

Vancouver: Copy

KHADEMI KH., SHAFAEI BEJESTAN M., KHOZEYMEHNEZHAD H.. EXPERIMENTAL INVESTIGATION OF EFFECT OF ATTACHED VANE INSTALLING ON BRIDGE ABUTMENT LOCAL SCOUR AND FLOW PATTERN. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2016;22(6):187-201. Available from: https://sid.ir/paper/156364/en

IEEE: Copy

KH. KHADEMI, M. SHAFAEI BEJESTAN, and H. KHOZEYMEHNEZHAD, “EXPERIMENTAL INVESTIGATION OF EFFECT OF ATTACHED VANE INSTALLING ON BRIDGE ABUTMENT LOCAL SCOUR AND FLOW PATTERN,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 22, no. 6, pp. 187–201, 2016, [Online]. Available: https://sid.ir/paper/156364/en

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