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Performance Analysis of Semirigid Steel Frames

  • 2025
  • OriginalPaper
  • Chapter
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Abstract

This chapter delves into the performance analysis of semirigid (SR) steel frames, comparing them with rigid frames under seismic loads. It explores the behavior of SR connections, their modeling in SAP2000, and the results of nonlinear static analysis (pushover analysis). The study focuses on a five-story steel frame, evaluating parameters like base shear, lateral displacements, and story drifts. The findings reveal that SR frames exhibit lower base shear, higher time periods, and greater deformations before collapse compared to rigid frames. The chapter also discusses the modal analysis of the frames, highlighting the differences in dynamic characteristics. Additionally, it provides a comprehensive overview of the hysteretic behavior of SR connections and their impact on structural performance. The conclusion draws key insights into the advantages and limitations of SR frames in seismic design, offering valuable information for professionals in the field.

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Title
Performance Analysis of Semirigid Steel Frames
Authors
Mustafa Limdiwala
Utsav Koshti
Copyright Year
2025
DOI
https://doi.org/10.1007/978-3-031-96763-4_21
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