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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Seismic Analysis, Behavior & Design

Elastic analysis of the steel structure of Beijing CBD Cultural Center based on ABAQUS

< Table of Contents for Seismic Analysis, Behavior & Design
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Seismic Analysis, Behavior & Design
  • Pages: 8
  • Title: Elastic analysis of the steel structure of Beijing CBD Cultural Center based on ABAQUS
  • Author(s): Zelin Li, Yuanqing Wang, Weibiao Yang, Weihua Chang
  • Keywords: braced steel frame structure, finite element analysis, ABAQUS, modal analysis, response spectrum analysis, design codes, earthquake design
Abstract
Beijing CBD Cultural Center is located in Chaoyang District, Beijing, China. It is constructed by using a braced-steel-frame structural system. Challenges of its structure are mainly resulted from large-spans, large-cantilever spans and large-openings in the floor system. For buildings which possess either complex shapes or complex structural arrangements, at least two different mechanical models are required for structural analyses and comparisons. This paper presents details of using Abaqus to develop a 3-dimensional finite element (FE) model for undertaking elastic analyses of the dynamic behavior of this building, including modal analysis and response spectrum analysis. Indicators such as the natural vibration period and drift ratio have been examined and compared with the results obtained from Midas Gen. It can be concluded from the FE analysis results that ABAQUS is adequate for the structural analyses. However, it should be noted that the stiffness in local area of the structure is too small.

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