Development of base oscillation models and regulatory approaches to the calculation of critical structures for seismic impacts
DOI: 10.37153/2618-9283-2020-2-32-54
Authors:
Vladimir K. Vostrov
Doctor of Technical Sciences, Professor
Rubric: Theoretical and experimental studies
Key words: emergency situation, resonance, acute resonance, seismic effects, emergency loads, special loads
Annotation:
Two principal approaches to generating calculated seismic impacts, proposed in the practice of earthquake - resistant construction, were used and refined: for the construction site and for the structure. There are special, emergency and extreme seismic loads that create an emergency situation - the occurrence of a mode of beats or resonant vibrations, as well as self-oscillations (acute resonance), leading to a violation of either the operational properties or the load-bearing capacity of the structure. Proposals are formulated for the revision of the Russian standards of earthquake-resistant construction, based on three-level impact for responsible and unique structures using the proposed refined approaches to generating calculated seismic impacts.
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