Conclusions
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1.
Horizontal seismic forces may be modelled in a steady centrifugal force field by replacing the trapezoidal seismic acceleration diagram by a rectangular one. The resulting error is taken into account in the construction of the seismic force and moment diagrams.
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2.
Centrifugal modelling combined with the photoelastic method permits studying by “freezing” of deformations the three-dimensional stress state of a hydraulic structure subjected to seismic action.
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Literature Cited
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“Polarized light method of stress analysis,” Transactions of the Fifth All-Union (June 23–27, 1966) [in Russian], Izd-vo LGU (1966).
M. M. Frocht, Photoelasticity, Part I [Russian translation], OGIZ (1948).
É. G. Latysh, S. I. Solokov, G. L. Khesin, T. V. Shamraevskaya, and N. A. Shchegolevskaya, “Epoxy materials for polarized-light stress investigations,” in: Investigation and Analysis of Stresses in Machine Parts and Structural Members [in Russian], Nauka (1966).
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Additional information
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 3, pp. 26–28, March, 1971.
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Khesin, G.L., Popov, A.I., Dolbin, A.I. et al. Investigation of stresses in buttress dams under seismic loading by the photoelastic method. Hydrotechnical Construction 5, 243–246 (1971). https://doi.org/10.1007/BF02378021
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DOI: https://doi.org/10.1007/BF02378021