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Aseismic capacity review of steel connection and design of steel damper
Analysis Objective

Aseismic capacity evaluation of a steel connection considering concrete slab.

Aseismic capacity evaluation of steel damper

Analysis Type
Nonlinear static analysis
Material nonlinearity
Geometrical nonlinearity
steel connection
Pre Processing

Aseismic capacity evaluation of steel connection:

  • consider concrete slab above
  • Apply repetitive load same as real experiment
CAD model of steel connection

CAD model of steel connection

Aseismic capacity evaluation of steel damper:

  • Review energy absorption capacity of the slit damper through nonlinear analysis
CAD model of steel damper

CAD model of steel damper

Post Processing

Influenced by the upper concrete slab, neutral axis of steel connection is displaced toward the concrete slab axis.

  • Stress concentration at Scalop part of the steel connection
  • Influenced by upper concrete slab. The aseismic capacity is expected to be reduced
analysis results of steel connection

Review energy absorption capacity of the steel damper

analysis results of steel damper

 


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2016-09-01
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