Investigation of porosity of Hexapod materials on scouring in permeable spills

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Borujerdi Gholam Abbas; Kamanbedast Amir Abbas

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Journal: JOURNAL OF MARINE SCIENCES AND TECHNOLOGY Year:2020 | Volume:18 | Issue:4 Page(s): 49-61

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Title

Investigation of porosity of Hexapod materials on scouring in permeable spills

Author(s)

Borujerdi Gholam Abbas | Kamanbedast Amir Abbas | Issue Writer Certificate

Keywords

SprinklerQ1

Hexapod materialsQ1

ErosionQ1

Hydraulic flowQ1

Physical modelQ1

Abstract

One of the most important issues related to arc ducts is the Erosion of the river bank in the outer arc, which is largely due to the existence of secondary currents, in which the mechanism of these currents was elaborated in the previous section. Protecting and fixing the river walls generally involves both direct and indirect methods (relaxants and deviators). One of the most important diversion protection structures is river flows. In this research, Hexapod materials were evaluated for scouring in permeable spills. The results obtained from the simulation show that the use of Hexapod spray with 12, 20, 27 and 35% permeability reduced scours by 17, 27. 9, 38 and 45. 3%, respectively, compared to the control without permeability. Increasing the permeability of the hexapod spoil reduces scouring around the spillway. Increasing the permeability of Hexapod spray guns from 12 to 35 percent resulted in a reduction of sputum by 34. 1 percent. This phenomenon is due to the easier flow of water through the hexapod sprayer and creates less pollen, which reduces scouring. Also, with an increase in the landing value from 0. 2 to 0. 36, the scour is 11. 8 times higher. Of course, it should be noted that increasing the landing number increases the permeability of the spillway to increase scouring. So that with the installation of permeable Sprinkler 35% in the number of 0. 2 and 0. 36, respectively, we saw a decrease of 20 and 61% scouring compared to the control model, respectively.

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APA: Copy

Borujerdi, Gholam Abbas, & Kamanbedast, Amir Abbas. (2020). Investigation of porosity of Hexapod materials on scouring in permeable spills. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, 18(4 ), 49-61. SID. https://sid.ir/paper/363048/en

Vancouver: Copy

Borujerdi Gholam Abbas, Kamanbedast Amir Abbas. Investigation of porosity of Hexapod materials on scouring in permeable spills. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY[Internet]. 2020;18(4 ):49-61. Available from: https://sid.ir/paper/363048/en

IEEE: Copy

Gholam Abbas Borujerdi, and Amir Abbas Kamanbedast, “Investigation of porosity of Hexapod materials on scouring in permeable spills,” JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, vol. 18, no. 4 , pp. 49–61, 2020, [Online]. Available: https://sid.ir/paper/363048/en

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