Abstract
The earthquake resistant behavior of buildings with steel tower on top is different from ordinary buildings. In order to investigate the deformations, internal force and damage of structure under rare earthquake, based on a case of Shifang Telecom Building (STB) under 5.12 earthquake, the static elasto-plastic analysis is carried out. This paper compares the seismic behavior of structure under different loading cases, and studies the weakness and plastic hinge of the building. The result shows the structure can meet the requirements of non-collapse under rare earthquake, the top steel tower can amplify the seismic effect, and numerical simulation tallies with the reality.
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