Patent ID: 6427393
Filing Date: 2002-08-06
Classification: E04B,E04C,E04H,Y10T

Abstract:
A structural steel seismic-resistant beam-to-column connection, mainly comprising:a connection formed by an H-beam and a column, said H-beam being comprised of an upper flange, a lower flange extending parallel to said upper flange and a web connected perpendicularly to said upper flange and said lower flange; and a pair of symmetric rib plates, said rib plates being perpendicularly welded at suitable places on said upper flange and said lower flange of said H-beam respectively and disposed at positions corresponding to said web of said H-beam, each one of said rib plates having a variable cross section disposed at its front end and welded at an end portion thereof to said column and a relatively lower lengthened section at its rear end, wherein a thickness of said rib plate is thinner than double the thickness of said web of said H-beam, a length of said variable cross section measured from said connection of said H-beam and column to a front end of said lengthened section is equal to a length from a position located at one-third of a depth of said H-beam to a full depth of said H-beam, and a length of said lengthened section of said rib plate is longer than half of said depth of said H-beam, said depth of said H-beam being equal to the distance between the outer surfaces of said upper flange and said lower flange.