PERFORMANCE ANALYSIS OF HIGH STEEL TUBE LATTICE SUPPORT SYSTEM IN TYPHOON AREA

Authors

  • Shijie Wang Department of Civil Engineering, Northeast Forestry University, Harbin150040, China
  • Quansheng Sun Department of Civil Engineering, Northeast Forestry University, Harbin150040, China
  • Jianxi Yang College of Civil and Architectural Engineering, Heilongjiang Institute of Technology, Harbin 150050, China

DOI:

https://doi.org/10.14311/CEJ.2020.01.0013

Keywords:

High Steel Tube Lattice Support System, Stability, Finite Element Model, Wind Load

Abstract

Research on safety of high steel tube lattice support systems in typhoon areas is still in the preliminary stage. The purpose of this paper is to study the overall buckling and overturning stability of the high steel tube lattice support systems in typhoon area. By constructing the spatial finite element model of the high steel tube lattice support system via MIDAS Civil, the optimal design of the steel tube lattice support system is carried out through the analysis of the main influencing parameters. The stability of steel pipe lattice support system is calculated theoretically, and the optimal design of steel pipe lattice support system is studied by finite element numerical method in Typhoon area. The calculation results show that Critical buckling load coefficient increases with the increase in diameter of the steel tube when the δ/d ratio of steel pipe structure is fixed. The critical load factor of the six-limb support system is slightly larger than that of the four-limb support system. When the transverse space of the support system is from 5 m to 7 m, stability increases rapidly. The best stability of the support system is obtained when the transverse space is approximately 7 m. The diagonal brace can significantly improve the stability of the steel tube lattice falsework.

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Published

2020-07-31

How to Cite

Wang, S., Sun, Q., & Yang, J. (2020). PERFORMANCE ANALYSIS OF HIGH STEEL TUBE LATTICE SUPPORT SYSTEM IN TYPHOON AREA. Stavební Obzor - Civil Engineering Journal, 29(2). https://doi.org/10.14311/CEJ.2020.01.0013

Issue

Vol. 29 No. 2 (2020)

Section

Articles

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