Beam-to-column joint connection

Abstract

A prefabricated column assembly includes a hollow tubular column, a gusset plate and a connection plate. The hollow tubular column has a longitudinal axis. The gusset plate is attached to a first face of the column and extending in a plane generally parallel to the longitudinal axis of the column. A connection plate extends in a plane generally perpendicular to the gusset plate.

1 . A prefabricated column assembly comprising:
 a hollow tubular column having a longitudinal axis; and   a gusset plate assembly comprising a first gusset plate attached to a first face of the column and extending in a plane generally parallel to the longitudinal axis of the column, a first connection plate attached to the first gusset plate and extending in a plane generally perpendicular to the plane of the first gusset plate, a second gusset plate attached to a second face of the column and extending in a plane generally parallel to the longitudinal axis of the column, and a second connection plate attached to the second gusset plate and extending in a plane generally perpendicular to the plane of the second gusset plate, the first and second connection plates providing a biaxial joint connection.   
     
     
         2 . The column assembly of  claim 1 , wherein the gusset plate assembly further comprises a third gusset plate attached to a third face of the column and extending in a plane generally parallel to the longitudinal axis of the column, and a third connection plate attached to the third gusset plate and extending in a plane generally perpendicular to the plane of the third gusset plate. 
     
     
         3 . The column assembly of  claim 2 , wherein the gusset plate assembly further comprises a fourth gusset plate attached to a fourth face of the column and extending in a plane generally parallel to the longitudinal axis of the column, and a fourth connection plate attached to the fourth gusset plate and extending in a plane generally perpendicular to the plane of the fourth gusset plate. 
     
     
         4 . The column assembly of  claim 1 , wherein the column comprises an HSS column. 
     
     
         5 . The column assembly of  claim 1 , wherein the first and second gusset plates are welded to the column. 
     
     
         6 . The column assembly of  claim 5 , wherein the first and second connection plates are welded to and centered on the gusset plates. 
     
     
         7 . The column assembly of  claim 1 , wherein the first and second gusset plates and the first and second connection plates each comprise planar plate members. 
     
     
         8 . The column assembly of  claim 1 , in combination with a stringer bolted to one of the first and second connection plates. 
     
     
         9 . The column assembly of  claim 8 , further comprising a second stringer bolted to said one of the first and second connection plates. 
     
     
         10 . The column assembly of  claim 9 , wherein the first and second stringers are bolted to opposite sides of said one of the first and second connection plates. 
     
     
         11 . A prefabricated column assembly comprising:
 a hollow tubular column having a longitudinal axis; and   a gusset plate assembly comprising a gusset plate attached to a face of the column and extending in a plane generally parallel to the longitudinal axis of the column, and a connection plate attached to the face of the column and extending in a plane generally perpendicular to the plane of the gusset plate, the gusset plate and connection plate providing a biaxial joint connection.   
     
     
         12 . The column assembly of  claim 11 , wherein the gusset plate comprises a first gusset plate, the gusset plate assembly further comprising a second gusset plate attached to the face of the column. 
     
     
         13 . The column assembly of  claim 12 , wherein the first gusset plate extends laterally outward from the column in a first direction, and the second gusset plate extends laterally outward from the column in a second direction opposite the first direction. 
     
     
         14 . The column assembly of  claim 12 , wherein the first and second gusset plates are welded to the face of the column. 
     
     
         15 . The column assembly of  claim 13 , wherein the connection plate is welded to the face of the column. 
     
     
         16 . The column assembly of  claim 12 , wherein the first and second gusset plates and the connection plate each comprise planar plate members. 
     
     
         17 . The column assembly of  claim 11 , in combination with a stringer bolted to the connection plate. 
     
     
         18 . The column assembly of  claim 17 , further comprising a second stringer bolted to the connection plate. 
     
     
         19 . The column assembly of  claim 18 , wherein the first and second stringers are bolted to opposite sides of the connection plate. 
     
     
         20 . The column assembly of  claim 19 , further comprising a third stringer bolted to one of the first and second gusset plates.