Nonlinear dynamic analysis of dam-foundation interaction under near-fault seismic loading
A. N. IshmatovM. M. MirsaidovInstitute of Mechanics and Seismic Stability of Structures of the Uzbekistan Academy of Sciences , Tashkent , UzbekistanA.S. BykovtsevRegional Academy of Natural Sciences , Port Hueneme , CA , United StatesB. Kh UrinovB. Sh YuldoshevI.A. KhazratkulovDepartment of Mechanics and Computer Simulation , National Research University -Tashkent Institute of Irrigation and Agricultural Mechanization Engineers , Tashkent , Uzbekistan
2026en
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ABI
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This study presents a methodology for analyzing wave radiation and energy transfer in a dam–foundation–seismic source system. A formulation for heterogeneous viscoelastic media is developed to account for internal damping and energy dissipation in the dynamic response. The method evaluates seismic behavior considering fault-controlled wave propagation and dam-rock interaction. A case study of the Pskem Earth Dam demonstrates the importance of heterogeneity, rheological properties, and fault geometry in seismic safety assessment.
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