Abstract:

This paper mainly takes a 64m span of three centre cylindrical latticed shell project for example, by using and analyzing SAP2000 to consider the structural characteristics of dynamic and static forces and BRB features choosing from six BRB layout scheme. After comparing and analyzing the structure of internal forces and displacements of several options node, we draw a conclusion that when BRB are arranged at the top chord of the rod, it can effectively reduce the maximum axial force structures under earthquake, while when BRB are arranged in a large abdominal force, it can effectively reduce the nodal displacements under seismic structure.It provides reference for controlling vibration damping of the three centre cylindrical latticed shell .

Key words: Buckling-Restrained Brace, Three Hearts cylindrical shell, Time analysis, Damping analysis