Energy-Based Limit Curve Framework for Reinforced Concrete Frames with Steel Dampers

A research paper proposing an energy-based limit curve for reinforced concrete moment-resisting frames equipped with steel damper columns. The study by Kenji Fujii uses incremental critical pseudo-multi impulse analyses on three eight-story structures and validates the framework with nonlinear time-history analyses of recorded ground motions, including sequences from the 2011 Tohoku and 2016 Kumamoto earthquakes. The dataset is a PDF file of 11.3 MB last updated on 2026-05-04.

Use Cases

• Validate energy-based seismic design frameworks based on the proposed limit curve methodology.
• Compare structural performance under single-earthquake versus earthquake-sequence scenarios based on the described analysis.
• Calibrate numerical models for steel damper columns based on the described cumulative strain energy criteria.
• Assess the sufficiency of pulsive input ranges in incremental analyses based on the study's findings of 2–32 inputs.

Strengths

• Includes validation with recorded ground motions from two major earthquake sequences (2011 Tohoku and 2016 Kumamoto).
• Analyses are performed on three distinct eight-story reinforced concrete frame structures.
• Published under a CC-BY-4.0 license, permitting open sharing and adaptation.

Limitations

• Dataset is a PDF research paper; the underlying analysis data (e.g., raw results, model files) is not directly provided.
• Row count and column-level documentation for any supplementary data are unknown.
• The specific organization or institution of the author is not listed.

Provenance

Source

figshare

Collection Method

Research involving incremental critical pseudo-multi impulse analyses and nonlinear time-history analyses.

Time Range

Analysis includes ground motions from the 2011 Tohoku and 2016 Kumamoto earthquake sequences.

Freshness

Last updated 2026-05-04 05:30:20; freshness should be verified.

Geography

Ground motions are from events off the Pacific coast of Tohoku, Japan, and in Kumamoto, Japan.