The jet-grouting piles construction and testing in collapsing soils experience

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Resumo

For a number of years the company New Ground has been providing research and development work to expand the scope of jet cementation technology in various soil types, to develop monitoring methods and basic quality parameters of work performed, including housing construction in the southwest of the Russian Federation in conditions of the first and second types collapsing soil. The jet-grouting piles construction in collapsing soils of solid and semi-solid consistency has a number of technological features compared to weak water-saturated soils, and requires advanced quality control methods for structural and technological solutions. The presented materials describe the experience of the development work production on the jet-grouting piles installation and testing in collapsing soils of the second type.

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Sobre autores

S. Zuev

JSC “New Ground”

Autor responsável pela correspondência
Email: mail@rifsm.ru

Deputy General Director

Rússia, 35, Kronshtadskaya Street, Perm, 614081

O. Makovetsky

Perm National Research Polytechnic University

Email: mail@rifsm.ru

Doctor of Sciences (Engineering)

Rússia, 29, Komsomolsky Prospect, Perm, 614000

Bibliografia

  1. Prokopov A.Yu., Lasun V.S. Assessment of changes in engineering, geological and hydrogeological conditions as a result of high-rise development of the Leventsovsky residential area in Rostov-on-Don. Izvestiya TulGu. Nauki o Zemle. 2021 Iss. 1, pp. 217–224. (In Russian). EDN: EMYFMM
  2. Krutov V.I., Kovalev A.S., Kovalev V.A. Proektirovanie i ustroistvo osnovanii i fundamentov na prosadochnykh gruntakh [Design and construction of foundations and foundations on subsidized soils]. Moscow: ASV. 2012. 560 p.
  3. Shokarev V., Shapoval V., Tregub A. Interaction of the artificial bases with Collapsing Soils. Geotechnical Engineering in Urban Environments: Proc. of 14th European Conf. on Soil Mechanics and Geotechnical Engineering (Madrid, 2007). Rotterdam: Millpress Science Publish. 2007, pp. 481–486.
  4. Steshenko D.M., Kozubal Ya., Golovan R.N., Abduraimova M.A., Zelenko A.A., Reveguk A.A. Application of complex technology of foundations on subsidized soils during the construction of a multi-storey residential building in Rostov-on-Don. Vestnik MGSU. 2018. Vol. 13. Iss. 5 (116), pp. 587–598. (In Russian). EDN: XQWEEH. https://doi.org/10.22227/1997-0935.2018.5.587-598
  5. Grigoryan A.A. Bearing capacity and precipitation of bored piles for high-rise construction on clay soils, taking into account the new nature of the destruction of their foundations. Vestnik MGSU. 2012. No. 4, pp. 88–97. (In Russian). EDN: PABGNJ
  6. Broyd I.I. Struinaya geotekhnologiya [Jet geotechnology]. Moscow: ASV. 2004. 448 p. EDN: QNKJRT
  7. Moseley M.P. Ground improvement. London. 2004. 440 p. https://doi.org/10.1201/9780203489611
  8. Makovetskiy O., Zuev S. Practice device artificial improvement basis of soil technologies jet grouting. Procedia Engineering. 2016. Vol. 165, pp. 504–509. EDN: YUVLKN. https://doi.org/10.1016/j.proeng.2016.11.726
  9. Zuev S.S., Makovetskiy O.A. Patterns of change in the mechanical and filtration properties of semi-basement soils modified by jet cementation. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2024. No. 9, pp. 30–35. (In Russian). EDN: PBZNKG. https://doi.org/10.31659/0044-4472-2024-9-30-35
  10. Makovetskiy O.A., Zuev S.S. Strengthening the foundations of a building under construction with cement piles on Ryazansky Prospekt in Moscow. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2014. No. 9, pp. 47–50. (In Russian). EDN: SMVCPL

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2. Fig. 1. Leventsovsky residential district in Rostov-on-Don. General view

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3. Fig. 2. Engineering and geological conditions of the construction site and the foundations structural solution

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4. Fig. 3. Change in household and initial subsidence pressure by depth (a); change in soil relative subsidence by depth (b)

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5. Fig. 4. Layout of experimental and anchor piles

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6. Fig. 5. Control of the jet-grouting piles cross-section

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7. Fig. 6. Selected kerns to control of the jet-grouting pile trunk continuity, to determine the cement mechanical characteristics

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8. Fig. 7. Scheme and general view of the collapsing soil mass intensive soaking process

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9. Fig. 8. Scheme and general view of the long-term soil soaking process

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10. Fig. 9. General view and schedule of jet-grouting piles static tests

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