VISCOELASTIC BRACE

WIPO Patent Application WO/1999/039064

A1

A viscoelastic brace, wherein first and second core members comprising shape steel, square steel tubes or circular steel tubes are disposed in series via a pipe expanding and contracting clearance, one set of channel steel or semicircular steel sheets and viscoelastic sheets disposed in opposite positions so as to enclose the first core member therewith being laminated in a single layer on and stuck to a side surface of the first core member, end portions of the channel steel or semicircular steel sheets being fixed to the second core member, whereby the first and second core members are viscoelastically joined to each other via the channel steel or semicircular steel sheets and viscoelastic sheets. This viscoelastic brace enables, in a structure which is higher than it is wide, such as a multistoried building, the horizontal deformation due to an earthquake and wind and a shearing force to be reduced, and vibration to be speedily damped.

JP3811711	BASE ISOLATION STRUCTURE OF BUILDING
JP2006291680	ASEISMATIC DEVICE USING ROTARY SEMI-SPHERE
JPS63300121	EARTHQUAKE PROOFING FOUNDATION FOR BUILDING

TAKEUCHI TORU
NAKAMURA HIROSHI
IWATA MAMORU
WATANABE ATSUSHI

PCT/JP1999/000367

August 05, 1999

January 28, 1999

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NIPPON STEEL CORP (JP)

E04H9/02; F16F1/50; F16F9/30; (IPC1-7): E04H9/02; F16F15/08

JPH01187271A	1989-07-26
JPH05133137A	1993-05-28
JPH06167138A	1994-06-14

Ishida, Takashi (Ishida & Associates Toranomon 37 Mori Building 5-1, Toranomon 3-chome Minato-ku Tokyo, JP)

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