Determination of the height of the vertical filter for heterogeneous Earth dams with vertical clay core
by Saeid Salehi-Hafshejani; Mohammad Shayannejad; Hossein Samadi-Broujeni; Ali-Reza Zarraty; Bahareh Soltani; Elham Mohri-Esfahani; Majedeh Haeiri-Hamedani; Saeid Eslamian; Kaveh Ostad-Ali-Askari
International Journal of Hydrology Science and Technology (IJHST), Vol. 9, No. 3, 2019

Abstract: In order to determine the height of the filter in heterogeneous Earth dam, three embankment models were provided in a flume laboratory, with the length of 4.2 m at the base of dam, the width of 60 cm and the height of 1 m and body slope 1H: 2V. In the first model, the fine-grained and coarse-grained soils were used in downstream and upstream of the dam crest respectively. In models 2 and 3 with cutting fine grained soil from the toe of the dam to the dam crest, vertical clay core was replaced. Index of a / L (a thickness of clay core and L is the length of base dam) was 1.7 and 1.10 in the second and third models, respectively. Seepage experiments in tree water height of 80 and 55 and 30 were performed.

Online publication date: Wed, 18-Sep-2019

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