Recent Developments in Seismic Isolation and Energy Dissipation in Russia

Abstract eng:
Recent developments in seismic isolation of civil buildings and cultural centers in Russia are presented. Rubber and non-rubber isolation supports are described. Several high-rise buildings and two Cultural Center buildings with steel-rubber seismoisolation are considered. Research studies were provided for artificial design accelerograms development. Steel column supports were studied as isolation elements, as well [1-6]. 33-storeyed apartment building in the city of Sochi Northern Caucasus. The building consists of two equal blocks connected with suspension structures at the level of 16-20 storeys. In this project rubber bearings are installed in places where the suspended part is supported by the load-bearing structure, 4 bearings in each of 6 tiers. A distinctive feature of the solution is non-traditional seismoisolation bearings location. 22-storeyed building of administrative-and-trade complex in the city of Sochi. The building consists of 22storeyed high-rise section of business center and 6-storeyed section of trade center. Bearings are installed at the level of the sixth storey and only provide isolation of high-rise section of the building. 24-storeyed housing building in the city of Sochi. The bearing system above seismoisolation supports level consists of RS diaphragms, frames columns and monolithic walls, and RS floors. 16-storeyed Hotel building in the city Petropavlovsk-Kamtchatsky, Kamchatka, Far East. The building has a complicated architectural design, with vertically changing volume and non-symmetrical mass and rigidities plane distributions. The vertical bearing system: along the building perimeter RC monolithic walls and in the inner building part RC frames. The frames are designed to resist only the vertical loads. All seismic loads are resisted by RC walls. The seismoisolation supports are mounted on the foundation plate. A Cultural center seismoisolated building including a Drama Theater in Chechen Republic, city of Grozny, is designed. Steel-rubber supports are used. A Drama Theatre building reconstruction and strengthening in the town of Gorno-Altaysk (Siberia) was performed using seismoisolation. [4].

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