Abstract
The building No.1 project located in the district of Jinjian Yingxiyuan at the city of Taiyuan is the first high-rise steel structure building in Shanxi Province by using hidden frame-brace system with the special-shaped wide concrete-filled steel tubular (WCFT) columns. In this paper, elastic analysis and pushover analysis of the new building are carried out by using the finite element software MIDAS/Gen, which is based on the theory of equivalent sectional flexural stiffness. And the results show that the various parameters under the action of frequent earthquake and rare earthquake meet requirements of the code, the failure mechanism of the structure is reasonable, and the seismic performance is good. Finally, the hidden danger and the key problems about the new structure system are put forward.
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