Structural design of single-layer lattice shell of Qingdao Wanda Oriental Cinema Exhibition Center
The modeling of Qingdao Wanda Oriental Cinema Exhibition Center is irregular nautilus. In order to meet the requirements of space and vision, the main steel structure adopts large-span single-layer lattice shell. The steel structure horizontal span at the main entrance of the project is about 40m, the height is about 23m, and the maximum cantilever is about 15.4m. Three inverted triangular lattice steel trusses were installed at the main entrance to effectively reduce the cantilever span. 2-story plane truss is arranged between three steel trusses to improve its stability and be used to support the glass curtain wall of the main entrance. The steel components are made of Q345B . S tructural features and difficulties: 1. Steel roof shape is nautilus , all the pipe s are spatial distortion component s, and the local coordinate axis of each pipes is different, so it is very difficult for the roof meshing and modeling, the workload is ...

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