Volume 36 Issue 5
Aug.  2021
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Jinyu Chen, Tong Ou, Silin Huang. Steel Structure Selection and Design of Zhuhai New Air Show Hall[J]. STEEL CONSTRUCTION(Chinese & English), 2021, 36(5): 24-32. doi: 10.13206/j.gjgS20061201
Citation: Jinyu Chen, Tong Ou, Silin Huang. Steel Structure Selection and Design of Zhuhai New Air Show Hall[J]. STEEL CONSTRUCTION(Chinese & English), 2021, 36(5): 24-32. doi: 10.13206/j.gjgS20061201

Steel Structure Selection and Design of Zhuhai New Air Show Hall

doi: 10.13206/j.gjgS20061201
  • Received Date: 2020-06-12
    Available Online: 2021-08-21
  • As the main exhibition hall of Zhuhai Air Show, the roof of the exhibition hall is of novel shape, regular column position and exposed roof structure. The structure form of beautiful and reasonable stress was selected:the space quadrangle cone truss and entrance mega truss combination system; according to the different opening modes of hangar door, four different working conditions were designed for wind tunnel test and later design to ensure the structural safety in complex wind environment. According to the structural characteristics, the technology and economy condition of the roof structure form, the split joint method, the height of the grid and the practice of ball joint were compared.
    According to the building function, three-layer three-dimensional truss system was set above the hangar door for the first time. The upper two floors were connected with the network frame and the lower chord layer was used as the building floor of VIP Hall. The vertical traffic space on both sides of the hangar door was used to set up the three-dimensional truss column, which formed the overall structural rigidity with the truss beam above the hangar door. The aircraft did not need to be overhauled. Two structural joints were set for roof considering the stress. The load path of roof was analyzed, and the entrance truss born 85% of the total roof load. Due to the relationship between structural split, the stress of the grid frame should be transmitted to the direction of the hangar door as far as possible. The artificial interference force flow concept was adopted to make local evacuation for the transverse chord of the grid near the hangar door. The stiffness effect was used to make the force flow of roof transmit priority to the mega truss structure, so as to meet the needs of force flow control. In order to meet the comfort requirements, the comfort analysis of VIP Hall under different walking paths was carried out. In order to meet the strict site conditions of the project without stopping the navigation, it was determined that the "super large component hydraulic synchronous lifting technology" was adopted to upgrade the whole structure twice. On the premise of safety, economy and aesthetics, the reasonable structure scheme and connection nodes were designed. The steel quantity of the project was moderate. The expected target of construction period and cost has been successfully completed, and remarkable social and economic benefits have been achieved.
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