Journal
SCIENCE CHINA-TECHNOLOGICAL SCIENCES
Volume 54, Issue 10, Pages 2549-2560Publisher
SCIENCE PRESS
DOI: 10.1007/s11431-011-4548-0
Keywords
super high-rise building; collapse simulation; extremely strong earthquake; finite element method
Funding
- National Natural Science Foundation of China [90815025]
- Tsinghua University [2010THZ02-1]
- Program for New Century Excellent Talents in University
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In recent years, super high-rise buildings (> 500 m) are developing very quickly and become an important frontier of civil engineering. The collapse resistance of super high-rise buildings subjected to extremely strong earthquake is a critical problem that must be intensively studied. This paper builds up a nonlinear finite element model of the tallest building in China, Shanghai Tower (632 m), and proposes the modeling method and failure criteria for different structural elements. The dynamic characters of this building are then analyzed, and the possible failure modes and collapse processes due to earthquakes are predicted, as well as the corresponding collapse mechanism. This work will be helpful in collapse prevention and the seismic design of super high-rise buildings.
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