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    ARTICLE

    Experimental Study on Permeability Characteristics of Geotubes for Seepage Analysis on Safety Assessment of Dams

    Xiaolei Man1,*, Ganggang Sha2, Shuigen Hu1, Hui Bao1, Guangying Liu1

    Structural Durability & Health Monitoring, Vol.14, No.4, pp. 339-353, 2020, DOI:10.32604/sdhm.2020.013001

    Abstract Geotubes are heterogeneous structures composed of filling sand and bag material, and its permeability characteristics are different from that of filling sand. The uncertainty of geotubes permeability characteristics results in the failure of seepage analysis of geotube dams, which restricts the safety assessment of the dams. As the basis of the study on the seepage mechanism of the geotubes, the influence of particle grading on permeability coefficient of filling sand and sand covered with geotextiles were explored by the permeability tests of filling sand with different particle grading under the condition of sand covered with or without geotextiles. And the… More >

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