Effect of Beam Splicing on Seismic Response of Buckling-Restrained Braced Frames Effect of Beam Splicing on Seismic Response of Buckling-Restrained Braced Frames
This study expands upon the performed component tests, by analyzing the beam splice connection at the system level under directional dynamic loads. Finite element analysis and dynamic loads are used to analyze two 3-story frames having different connection configurations. The first frame has typical BRBF gusset connections, while the second frame has BRBF gusset connections with beam splices. The two frames are dynamically loaded using a recorded earthquake ground acceleration applied at three directions, relative to the frames, and the performance of each frame is compared.
Results indicate that the connections with beam splices effectively prevent large moments from accumulating in the connection regions, reducing gusset stresses. In addition, the use of beam splices more uniformly distributes the brace load into the beams and columns, and has little effect on in and out-of-plane story drift.
School:Brigham Young University
School Location:USA - Utah
Source Type:Master's Thesis
Keywords:brbf shell elements dynamic
Date of Publication:08/10/2007