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Use of Advanced Analysis Techniques to Determine the Collapse Loads of Buildings

Lookup NU author(s): Professor Sean Wilkinson, Robert Hiley


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A material non-linear stick model is presented capable of analysing high-rise buildings subjected to earthquake forces. The model represents each storey of the building by a two degree of freedom beam element. This element is capable of replacing all vertical elements in a storey with a single element while simultaneously allowing the floors of each storey to undergo plastic deformations. Each storey can have multiple redundancies and the elements within a storey are assumed to be perfectly elastic, perfectly plastic. The model can perform static, free-vibration and time-history analysis. A verification example is presented and the results from a static pushover analysis are compared with time-history results from the simplified model. The results verify that the stick model is capable of performing non-linear time history analysis on high rise buildings.

Publication metadata

Author(s): Wilkinson SM, Hiley RA

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: ASRANet International Colloquium

Year of Conference: 2002