UNIVERSAL SEISMIC-INSULATING FOUNDATION Russian patent published in 2010 - IPC E02D27/34 

FIELD: construction.

SUBSTANCE: seismic-insulating foundation consists of lower and upper parts and intermediate element, in the form of chamber filled with balls in viscous oil medium. Chamber is arranged with valves, which make it possible for the lower part of foundation and connected lower surface of chamber during earthquake to move both horizontally and vertically relative to upper part of chamber and connected upper part of foundation, providing for simultaneous protection of the building against horizontal and vertical seismic shocks.

EFFECT: improved seismic resistance of buildings and reduction of material intensity.

4 dwg