Optimization of the Drain Position to Reduce the Uplift Force in the Foundation of Dams

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Salehi Hafshejani S.; Esmailzade SH.; PANAHI GH.; ESMAILI K.

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Journal: Journal of Water and Soil Science Year:2019 | Volume:22 | Issue:4 Page(s): 143-154

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Title

Optimization of the Drain Position to Reduce the Uplift Force in the Foundation of Dams

Author(s)

Salehi Hafshejani S. | Esmailzade SH. | PANAHI GH. | ESMAILI K. | Issue Writer Certificate

Keywords

Hole DrainQ1

Uplift forceQ1

Hydraulic potentialQ1

Dam and hydraulic structureQ1

Abstract

The effect of the Uplift force in the hydraulics structures is against stability. So, determining and controlling this force can be very important. One of the ways to achieve this purpose is to decrease this force by using the Hole Drains; in this way, we can build perpendicular pipes with different diameters, leading to the durability of the structure. Therefore, an experimental model of concrete dam was constructed in the hydraulic laboratory. The dam's model was divided into five sections by using 4-Hole Drains with a thickness equal to the dam's foundation. By running experiments with the maximum water level at the upstream, dam Hole Drains were opened in their position. Hydraulic potential was estimated by using the Piezometer built in the flume body. Finally, by opening some Hole Drains, the Uplift force was calculated from the equipotential lines. Therefore, the best case (which had the minimum force) was determined, which was a/L=0. 4, to create the most proper Hole Drain in the dam foundation. (a: distance of drain to heel and L: length of the dam's foundation). To place the Hole Drain in this position, by applying the zero potential in this position, the up lift force was increased

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APA: Copy

Salehi Hafshejani, S., Esmailzade, SH., PANAHI, GH., & ESMAILI, K.. (2019). Optimization of the Drain Position to Reduce the Uplift Force in the Foundation of Dams. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 22(4 ), 143-154. SID. https://sid.ir/paper/394970/en

Vancouver: Copy

Salehi Hafshejani S., Esmailzade SH., PANAHI GH., ESMAILI K.. Optimization of the Drain Position to Reduce the Uplift Force in the Foundation of Dams. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2019;22(4 ):143-154. Available from: https://sid.ir/paper/394970/en

IEEE: Copy

S. Salehi Hafshejani, SH. Esmailzade, GH. PANAHI, and K. ESMAILI, “Optimization of the Drain Position to Reduce the Uplift Force in the Foundation of Dams,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 22, no. 4 , pp. 143–154, 2019, [Online]. Available: https://sid.ir/paper/394970/en

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