Sleeved bracing useful in the construction of earthquake resistant structures

CAFC
  • US 7,188,452 B2
  • Filed: 03/11/2003
  • Issued: 03/13/2007
  • Est. Priority Date: 09/12/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A buckling restrained brace, comprising:

  • an elongate yielding core;

    a hollow sleeve surrounding at least a portion of a length of said yielding core;

    a buckling constraining element disposed within said hollow sleeve, said buckling constraining element surrounding at least a portion of said length of said yielding core and spaced apart from at least one surface thereof by a gaseous gap therebetween;

    a liner positioned between said buckling constraining element and at least one surface of said yielding core and spaced apart from said at least one surface; and

    coupling elements at ends of said yielding core and protruding at least partially from ends of said hollow sleeve.

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