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

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Abstract

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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About the authors

S. S. Zuev

JSC “New Ground”

Author for correspondence.
Email: mail@rifsm.ru

Deputy General Director

Russian Federation, 35, Kronshtadskaya Street, Perm, 614081

O. A. Makovetsky

Perm National Research Polytechnic University

Email: mail@rifsm.ru

Doctor of Sciences (Engineering)

Russian Federation, 29, Komsomolsky Prospect, Perm, 614000

References

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Supplementary files

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1. JATS XML
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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