FINITE ELEMENT ANALYSIS OF THE SEISMIC BEHAVIOR OF THE ASSEMBLED LIGHT STEEL FRAME- LIGHT WALL STRUCTURES

Authors

  • Liu Wenchao Technology Research and Development Center, CCCC Fourth Highway Engineering CO.,LTD., Beijing 100022, China
  • Chen Zheng Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100124, China
  • Wang Cheng Technology Research and Development Center, CCCC Fourth Highway Engineering CO.,LTD., Beijing 100022, China
  • Dong Hongying Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100124, China
  • Wang Ruwei Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100124, China

DOI:

https://doi.org/10.14311/CEJ.2019.04.0051

Keywords:

Pre-fabricated construction, Rural residence, Fabricated light-weight steel frame- composite light wall structure, Seismic performance, Experimental study

Abstract

In order to meet the needs of the development of low-rise assembly structure in rural areas, a fabricated light-weight steel frame-composite light wall structure is proposed in this paper. The light-weight steel frames are used to bear the vertical loads. The single-row-reinforced recycled concrete wall-boards are used as lateral members to resist most of the horizontal earthquake loads. The wall-board, EPS (Expanded Polystyrene) insulation modules, and fly ash blocks form the thermally insulated wall. Four fabricated lightweight steel frame-composite light wall structures and one light-weight steel frame (FRA) structure were tested under the low cyclic loads. The influence of wall reinforcement spacing and structural form (be it fly ash block or not) on the seismic performance of this new structure was analysed and the damage process of the specimen was simulated using the ABAQUS® software. The results show that the light steel frames and the single-row-reinforced recycled concrete wall-board can work well together. Furthermore, the structure has two clear seismic lines. Due to the use of EPS insulation modules and fly ash blocks, the structure has good anti-seismic and thermal insulation abilities. Reducing the spacing of bars or compositing fly ash blocks can significantly improve the seismic performance of the structure. The finite element method (FEM) calculations agreed well with the experimental results, which validates the proposed model.

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Published

2019-12-31

How to Cite

Wenchao, L., Zheng, C., Cheng, W., Hongying, D., & Ruwei, W. (2019). FINITE ELEMENT ANALYSIS OF THE SEISMIC BEHAVIOR OF THE ASSEMBLED LIGHT STEEL FRAME- LIGHT WALL STRUCTURES. Stavební Obzor - Civil Engineering Journal, 28(4). https://doi.org/10.14311/CEJ.2019.04.0051

Issue

Vol. 28 No. 4 (2019)

Section

Articles

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