FIELD: antiseismic protection. SUBSTANCE: device comprises support articulated to above-foundation part of the structure and rests on the foundation via the members of movable joint in the form of balls enclosed in cage. Installed on foundation coaxially with support is an open-top sleeve accommodating a spring whose upper end bears against lower surface of support. EFFECT: improved design. 3 cl, 3 dwg
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Authors
Dates
1994-12-15—Published
1991-06-17—Filed