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Determination of the depth of the deformation zone in the beds of annular foundations

  • Foundation Engineering
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Soil Mechanics and Foundation Engineering Aims and scope

Conclusions

1. The basic factors governing the depth Ha of the deformation zone in the beds of annular foundations are the area of the lower surface, the pressure, the ratio of the inside and outside radius, and the strength properties of the soils.

2. The computational scheme proposed for determination of Ha in single-layer and multiple-layer beds of annular foundations makes it possible to account for soil indicators γ, c, and ϕ, and the average additional pressure on the lower surface, the geometric parameters, and the depth of embedment of the foundations.

3. An annular foundation with r1/r2≤0.4 is recommended for computation as a foundation with a circular radius r2.

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Literature cited

  1. K. E. Egorov, “Problems of computing beds for foundations with an annular lower surface,” Proceedings of the Scientific-Research Institute of Bases and Underground Structures [in Russian], No. 34 (1958), pp. 34–57.

  2. A. V. Zinov'ev, “Stress distribution in beds of finite thickness beneath a circular foundation,” Proceedings of the Scientific-Research Institute of Bases and Underground Structures [in Russian], No. 71 (1980), pp. 30–49.

  3. Yu. F. Tugaenko and S. I. Kushchak, “Deformations in the beds of annular foundations,” Osn., Fundam. Mekh. Gruntov, No. 4, 22–23 (1985).

  4. Yu. F. Tugaenko and S. I. Kushchak, “Deformations in the bed of an annular foundation beneath a smokestack,” Interuniversity Collection [in Russian], No. 17, Kiev (1984), pp. 84–87.

  5. A. V. Zinov'ev, “Bed deformations beneath a 180-m smokestack,” Proceedings of the Scientific-Research Institute of Bases and Underground Structures [in Russian], No. 69 (1978), pp. 68–73.

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Authors
  1. V. A. Yudin
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  2. S. I. Kushchak
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Additional information

Odessa Civil-Engineering Institute. Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 4, pp. 7–9, July–August, 1988.

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Yudin, V.A., Kushchak, S.I. Determination of the depth of the deformation zone in the beds of annular foundations. Soil Mech Found Eng 25, 141–144 (1988). https://doi.org/10.1007/BF01709224

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  • DOI: https://doi.org/10.1007/BF01709224

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