Quantification of the reduction factors of seismic capacity for damaged RC column members using the experiment database

Static‐cyclic loading is used to identify the reduction factors of seismic capacity of damaged reinforced concrete (RC) column members. The reduction factors of seismic capacity that are obtained from specimens damaged under static‐cyclic loading differ from those obtained in dynamic testing, and th...

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Bibliographic Details
Published in:Earthquake engineering & structural dynamics 2021-03, Vol.50 (3), p.756-776
Main Authors: Chiu, Chien‐Kuo, Sung, Hsin‐Fang, Chiou, Tsung‐Chih
Format: Article
Language:English
Subjects:
Capacity
Concrete columns
crack width
Cyclic loading
Cyclic loads
damage level
dynamic experiment
Dynamic tests
Earthquake damage
Earthquake engineering
Earthquakes
Energy dissipation
Energy exchange
Engineering research
Reduction
reduction factor
Reinforced concrete
Research facilities
residual seismic capacity
Seismic activity
Seismic engineering
Stiffness
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Summary:Static‐cyclic loading is used to identify the reduction factors of seismic capacity of damaged reinforced concrete (RC) column members. The reduction factors of seismic capacity that are obtained from specimens damaged under static‐cyclic loading differ from those obtained in dynamic testing, and this difference is investigated in this work. The experimental results obtained in this work, previously obtained results, and the “Pacific Earthquake Engineering Research Center Structural Performance Database (PEER)” are used to obtain reduction factors of strength, stiffness, and energy dissipation. From the damage levels of column members after an earthquake, corresponding reduction factors can be determined and used in the seismic assessment of an RC building.
ISSN:0098-8847
1096-9845
DOI:10.1002/eqe.3355