Structural Engineering and Mechanics

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Topology optimization of reinforced concrete structure using composite truss-like model

  • Yang, Zhiyi (College of Civil Engineering, Huaqiao University) ;
  • Zhou, Kemin (College of Civil Engineering, Huaqiao University) ;
  • Qiao, Shengfang (School of Civil Engineering and Transportation, South China University of Technology)
  • Received : 2018.01.23
  • Accepted : 2018.04.18
  • Published : 2018.07.10
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Abstract

Topology optimization of steel and concrete composite based on truss-like material model is studied in this paper. First, the initial design domain is filled with concrete, and the steel is distributed in it. The problem of topology optimization is to minimize the volume of steel material and solved by full stress method. Then the optimized steel and concrete composite truss-like continuum is obtained. Finally, the distribution of steel material is determined based on the optimized truss-like continuum. Several numerical results indicate the numerical instability and rough boundary are settled. And more details of manufacture and construction can be presented based on the truss-like material model. Hence, the truss-like material model of steel and concrete is efficient to establish the distribution of steel material in concrete.

Keywords

Acknowledgement

Supported by : National Natural Science Foundation of China, Huaqiao University

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