The Elastic-Plastic Dynamic Analysis Software GSEPA and Its Application in Seismic Analysis of Tall Buildings

Abstract eng:
The elastic-plastic dynamic analysis of the high-rise buildings under strong earthquake will help engineers to evaluate the antiseismic performance, optimize the structural scheme and strengthen the weak parts of the structure. This paper introduces the elastic-plastic dynamic analysis software GSEPA based on ABAQUS, which is developed for seismic analysis of the high-rise structures by the authors. GSEPA can read data directly from structural design software, which includes the connectivity between the components, section sizes, material properties, rebar of concrete beams, etc., for generating ABAQUS model. Three practical projects analyzed by GSEPA are given, including a 331m high lighthouse-style structure, a twin-tower structure connected by space corridor with 160m high and a 210m high transfer layer structure. The results of the three-dimensional elastic-plastic analysis show the effectiveness of GSEPA, which can be referred by other practical engineering.

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