Abstract
The study deals with school gymnasium structures composed of EP roof type lattice shells, gable walls with a high rigidity and with truss arch frames. The collapse mechanisms of the structure are taken to be a horizontal structural collapse such as the member buckling collapse of the lattice shell and a vertical structural collapse such as the tensile member collapse of the gable wall. The purpose of this study is to investigate the static and the dynamic collapse by means of the both elasto-plastic analyses considering a geometric nonlinearity. The estimation method is also proposed to calculate practically the base-shear strength coefficient and the applied seismic lateral and vertical load distributions on the lattice shells, the gable walls and the truss arch frames. The study is practically useful to determine the collapse mechanism and calculate the ultimate lateral strength on the earthquake-proof design for the damage and safety limit earthquakes.
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