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Information Journal Paper

Title

Laboratory evaluation of the effect of permeable vanes distance using six-pillar concrete elements on the bend migration

Pages

  31-44

Abstract

 Permeable vanes are structures that move the Erosion of the outer bank of the river by diverting the erosive flow from the outer arch of the river to its center. In this study, the pattern of Erosion and sedimentation around the Hydraulic structure in the installation conditions of different distances from each other has been studied. Sixpillar concrete elements are materials that form a permeable structure overlapping and are applicable without drying the riverbed. These blocks need to be examined for how the structure works. With this concept, in the present study, the performance of this structures were performed in a laboratory channel with a width of 60 cm and a 180 degree flume under different Hydraulic conditions (Fr = 0. 227, 0. 244, 0. 261, 0. 278). The required data were measured at different distances (5L, 6L, 7L, 8L) with an effective length equal to 20% of the width of the flume (L=12cm). Control experiment was performed in similar conditions to other scenarios without groins construction. Comparison of the results of the control and main experiments showed that the construction of permeable rectangular groin with a distance of 5L had the best efficiency in reducing the maximum depth of scour at the outer bank compared to the control experiments equal to 70. 1% and 57. 9% in Froude numbers of 0. 227 and 0. 261, respectively.

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    APA: Copy

    Najjaran, Ebrahim, Kamanbedast, Amir Abbas, SHAFAI BEJESTAN, MAHMOOD, MASJEDI, ALI REZA, & Hasonizadeh, Hooshang. (2020). Laboratory evaluation of the effect of permeable vanes distance using six-pillar concrete elements on the bend migration. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 10(1 ), 31-44. SID. https://sid.ir/paper/414315/en

    Vancouver: Copy

    Najjaran Ebrahim, Kamanbedast Amir Abbas, SHAFAI BEJESTAN MAHMOOD, MASJEDI ALI REZA, Hasonizadeh Hooshang. Laboratory evaluation of the effect of permeable vanes distance using six-pillar concrete elements on the bend migration. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2020;10(1 ):31-44. Available from: https://sid.ir/paper/414315/en

    IEEE: Copy

    Ebrahim Najjaran, Amir Abbas Kamanbedast, MAHMOOD SHAFAI BEJESTAN, ALI REZA MASJEDI, and Hooshang Hasonizadeh, “Laboratory evaluation of the effect of permeable vanes distance using six-pillar concrete elements on the bend migration,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 10, no. 1 , pp. 31–44, 2020, [Online]. Available: https://sid.ir/paper/414315/en

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