STEEL CONSTRUCTION ENGINEERING
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
STUDY ON SEISMIC RESPONSE BEHAVIOR OF SINGLE-STORY Z-TYPE NC BRACED FRAME
Shingo KOMATSUTakao TAKAMATSUHiroyuki TAMAITeruaki YAMANISHI
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JOURNAL FREE ACCESS

2015 Volume 22 Issue 88 Pages 88_43-88_53

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Abstract

The authors propose a Z-type NC braced frame having incremental deformation characteristics in an earthquake. Our previous papers did not describe residual deformation of the frame after an earthquake, but a technique for estimating residual deformation needs to be established. Furthermore, elastic strain energy accumulation due to incremental deformation can decrease seismic response behavior. Shaking table tests on a single-story specimen are carried out to clarify the basic performance of this system and numerical analyses are applied to verify reappearance. Numerical analyses of actual-scale single-story braced frames are conducted to clarify seismic response reduction capability due to elastic strain energy accumulation and residual deformation after elasto-plastic oscillation, compared to those for BRB braced frames.

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© 2015 Japanese Society of Steel Construction
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