Conclusions
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1.
The most accurate damping characteristic is the coefficient of relative damping in analyses using the first and second soil base models.
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2.
The damping coefficient for steady vibrations depends for all practical purposes on the soil base type and the backfill height, the actual energy absorption being smaller than the value recommended in SNiP II-19-79.
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Literature cited
S. K. Lapin, "Experimental determination of coefficient of added soil mass for vertical vibrations of foundations," Osn., Fundam. Mekh. Gruntov, No. 3 (1979).
V. Koloushek, Dynamics of Structures [in Russian], Stroiizdat, Moscow (1965).
D. D. Barkan and V. M. Shaevich, "Effect of added mass of soil and of its nonlinear properties on vibration of foundations," Osn., Fundam. Mekh. Gruntov, No. 5 (1976).
S. K. Lapin, "Determination of dynamic characteristics of rigidity of natural bases," Osn., Fundam. Mekh. Gruntov, No. 3 (1977).
B. K. Aleksandrov, "Experimental investigations of energy absorption from harmonic vibrations of foundations on soil bases," Author's Abstract of Candidate's Dissertation, B. E. Vedeneev VNIIG Institute, Leningrad (1980).
O. Ya. Shekhter, "Consideration of inertia properties of soil in analysis of forced vertical vibrations of massive foundations," in: Collection No. 12 of the Scientific-Research Institute Foundations. Vibrations of Structures and Foundations [in Russian], Stroivoenmorizdat, Moscow (1948).
Additional information
LO Fundamentproekt. Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 3, pp. 11–14, May–June, 1983.
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Lapin, S.K. Experimental investigation of energy absorption in vertical vibrations of foundations. Soil Mech Found Eng 20, 104–108 (1983). https://doi.org/10.1007/BF01710388
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DOI: https://doi.org/10.1007/BF01710388