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Reduction of the damageability of watertight polymer-film skins of hydraulic structures

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    An on-site examination of the damageability of polymer-film skins and measurements of the seepage leakage made it possible to estimate the apparent permeability coefficient of such skins with relatively small damageability P<=0.05% by the quantity A·10−3, m/day.

  2. 2.

    Maximum damageability of polymer-film skins is formed due to the use of machines — bulldozers leveling the soil of the protective layer and vehicles delivering these soils.

  3. 3.

    Introduction of mechanisms making it possible to place the protective layer of soil on the film element without traveling on the skin makes it possible to substantially reduce the damageability of polymer-film skins and their permeability.

  4. 4.

    A reduction of damageability and permeability of polymer-film skins can be achieved by improving its construction and, in particular, by introducing bituminous and geotextile pads covering the film element of the skin on top and below, introduction of a second layer of film covering, and also by providing a drainage system of the protective layer.

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Literature cited

  1. Recommendations on the Design and Construction of Watertight Skins of Ash Dumps and Industrial Wastewater Storages of Power Stations [in Russian], P-82-79, VNIIG, Leningrad (1980).

  2. A. P. Chumaganov, N. A. Kil'dishev, and V. A. Borodin, Check of the Damageability of Polymer Materials Used in Earth Hydraulic Structures [in Russian], Minstroi SSSR, Moscow, No. 7 (1984).

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  3. Instructions on Calculating the Permeability and Effectiveness of Watertight Linings of Canals [in Russian], Minvodkhoz SSSR, Moscow (1984).

  4. A. P. Chumaganov, A. K. Chukhrai, V. D. Glebov, et al., “Movable device for placing free-flowing materials,” Inventor's Certificate No. 882898, Byull. Izobret., No. 43 (1981).

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Authors
  1. V. A. Melent'ev
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  2. A. P. Chumaganov
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Additional information

Deceased.

Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 1, pp. 16–18, January, 1988.

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Melent'ev, V.A., Chumaganov, A.P. Reduction of the damageability of watertight polymer-film skins of hydraulic structures. Hydrotechnical Construction 22, 13–16 (1988). https://doi.org/10.1007/BF01424211

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  • DOI: https://doi.org/10.1007/BF01424211

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