Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. XIII
Written by Stefan Florin BALAN, Bogdan Felix APOSTOL, Anton DANET
National Institute of R-D for Earth Physics is in charge at national level with the task of monitoring the seismicity of the country. For this, it is used a well-developed seismic network with a good coverage of the Romanian territory. Beside the free field network of sensors, there is a number mounted on some buildings, used to evaluate their response to a large range of seismic events. The aim of the paper is to demonstrate the efficacy of the isolation systems of two buildings, situated in Bucharest, during earthquakes. The goals will be achieved through analyzing the seismic response in terms of engineering parameters given by the sensors located at key levels, i.e. under and right above isolating devices. The results show the reduction of the seismic loads above the isolators hence the successful use of this type of technique for older buildings of certain design, exposed to Vrancea seismicity and Bucharest subsoil specificity. Conclusions are drawn about the effectiveness of the isolation system on both structures, as part of a solution in specific cases for seismic risk mitigation.
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