Abstract
This paper describes the use of nonlinear analysis within the context of the ASCE 7 seismic load provisions. The methods of analysis that are discussed include P-Delta analysis, nonlinear static analysis, and nonlinear dynamic analysis. All methods of analysis are discussed at the systems (entire structure) level. The use of nonlinear static analysis to perform sub-system evaluation is also described. Also provided in the paper is an assessment of the adequacy of the current analysis techniques in the context of advances that have been made in computational power and analysis capabilities over the last 40 years. Recommendations for improvements in the ASCE 7 analysis procedures are provided at the end of the paper.
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