Base isolation-tuned mass damper shock isolation and vibration absorption device for nuclear power plant without earthquake risk
A technology of frequency modulation mass damping and foundation isolation, which is used in infrastructure engineering, earthquake resistance, building components, etc., to achieve stable shock absorption and good seismic robustness.
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[0014] The present invention aims at the special anti-seismic requirements that the structure and equipment of the nuclear power plant are not allowed to be damaged by earthquakes under any earthquake action, and at the same time, it is considered that it is difficult or impossible to predict the magnitude and frequency spectrum characteristics of earthquakes at the current level of science and technology, and traditional structures and anti-seismic design methods cannot Meet the special anti-seismic safety requirements of nuclear power plants.
[0015] The invention applies the basic shock isolation-frequency modulation mass damper (BIS-TMD) hybrid shock absorption technology, and proposes a BIS-TMD novel shock-isolation and shock-absorbing structure that meets the special shock-resistance requirements of nuclear power plants. Specifically: firstly, according to the excellent cycle of the site and the dynamic characteristics of the nuclear power plant structure, the equivalent...
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