Wind and Structures

  • 제39권3호
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  • Pages.191-205
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  • 2024
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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Influence of external structure and internal stacking on wind load characteristics of large-span spherical shell structure

  • Xiaobing Liu (State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University) ;
  • Anjie Chen (School of Civil Engineering, Shijiazhuang Tiedao University) ;
  • Qun Yang (State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University) ;
  • Bin Feng (School of Civil Engineering, Shijiazhuang Tiedao University) ;
  • Xuedong Tian (School of Civil Engineering, Shijiazhuang Tiedao University)
  • 투고 : 2024.02.12
  • 심사 : 2024.05.18
  • 발행 : 2024.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

To investigate the wind load characteristics of a large-span spherical shell structure, a rigid model pressure test was conducted in a wind tunnel laboratory. The study aimed to examine the impact of various external structures and internal stacking forms on the wind loads of a spherical shell structure in a practical engineering project. This project features two adjacent spherical structures, each spanning 130 m and standing 67 m tall. These two structures are connected by trestles and a transfer station. Variations in the shape factor and the integral force coefficient of the structure were compared and analyzed under different test cases. The results indicate that when two structures are arranged in series, with the adjacent structure positioned upstream, the shape factor of the structure is most affected, resulting in a significant reduction effect at the bottom of the windward surface. Compared to the external structure, the impact of various internal stacking forms on the shape factor of the structure is relatively weak. The adjacent structure significantly improves the wind resistance of the main structure. The integral force coefficient of the structure reaches its peak when internal stacking is full and is at its lowest when there is no internal stacking.

키워드

과제정보

This research was supported by the National Nature Science Foundation of China (Nos. 52078313 and 52008273), the Central Guided Local Science and Technology Development Funding Program (No. 236Z5407G and 236Z5410G), the Innovation research group project of Natural Science Foundation of Hebei Province (No. E2022210078), and the Shijiazhuang Tiedao University Graduate Innovation Funding Project (No. YC202413).

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