A gusset plate assembly for use in connecting at least two beams to a hollowtubular column in a building. The gusset plate assembly can receive said atleasttwo beams in a biaxial orientation of said beams. The gusset plate assemblycomprises gusset plates sized for transferring the weights of said at leasttwo beamsand their reaction forces and bending moments from the application of severeloadconditions acting on the building to the hollow tubular column. At least oneof thegusset plates receives a portion of a second of the gusset plates. A jointpenetrationgroove weld joining the first and second gusset plates together allows thegussetplate assembly to be free of welds on its internal corners. A method ofassembling agusset plate assembly is also disclosed.
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