The design and construction of an impervious diaphragm as a “wall in trench” from secant bored piles in an earth-fill dam are described. It is for the first time in Russia that such a diaphragm was made as an independent project rather than a repair measure. The design of clay-cement concrete to fill the boreholes of the “wall in trench” is described. The technology and features of drilling and grouting and the equipment and appliances used are described. It is concluded that the task has been successfully completed and that the experience can be used in the future.
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E. S. Argal and V. M. Korolev, “Some properties of clay-cement concrete and performance characteristics of a diaphragm wall in a dam body,” Power Technol. Eng., 53(4), 387 – 395 (2019).
V. V. Borzunov et al., “Experience of designing and constructing the Lower Bureya earth-fill dam with an impervious diaphragm made from secant bored piles,” Power Technol. Eng., 53(4), 420 – 428 (2019).
K. P. Kudrin, V. M. Korolev, É. S. Argal, E. V. Solov’eva, O. E. Smirnov, and A. V. Radzinskii, “Use of innovative solutions for construction of the anti-filtration diaphragm in the cofferdam of the Lower Bureya HPP,” Power Technol. Eng., 48(5), 343 – 349 (2015).
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Translated from Gidrotekhnicheskoe Stroitel’svo, No. 1, January 2020, pp. 20 – 30.
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Kudrin, K.P., Korolev, V.M., Argal, E.S. et al. Technology of Constructing an Impervious Diaphragm in the Lower Bureya Earth-Fill Dam. Power Technol Eng 54, 134–142 (2020). https://doi.org/10.1007/s10749-020-01180-4
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DOI: https://doi.org/10.1007/s10749-020-01180-4