Conclusions
1. The use of an intermediate bed substantially improves the conditions of operation of the foundation also for a mean pressure of 0.1–0.3 MPa beneath the underside. Foundations on intermediate beds must be used for buildings and structures transmitting a mean pressure of up 0.3 MPa beneath the foundation undersides.
2. The use of foundations on intermediate beds makes it possible to reduce their thickness and the reinforcement percentage by 25% on the average.
3. The results obtained by the numerical method using a Winkler model with a variable modulus of subgrade reaction agree with the experimental data for all practical purposes.
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Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 1, pp. 14–15, January–February, 1989.
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Abukhanov, A.Z. Interaction of foundation on intermediate bed with sand base. Soil Mech Found Eng 26, 6–9 (1989). https://doi.org/10.1007/BF02306228
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DOI: https://doi.org/10.1007/BF02306228