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Post-fire seismic performance of SRC beam to SRC column frames
- Source :
- Structures. 25:323-334
- Publication Year :
- 2020
- Publisher :
- Elsevier BV, 2020.
-
Abstract
- This paper investigates the post-fire seismic performance of steel reinforced concrete (SRC) beam to SRC column frames. Five SRC column to SRC beam planar frame specimens were tested in a program including a loaded fire test and a following horizontal cyclic loading test. Test parameters included heating time and column load ratio. The temperature development, deformation, post-fire hysteretic and skeleton curves, stiffness, ductility and damping coefficient of SRC frames are recorded, calculated and analyzed. The measured post-fire hysteretic curves indicates that the SRC frames exhibit very good energy dissipation capacity after fire exposure. The horizontal load capacity and viscous damping coefficient of SRC frames increase with the increase of column load ratio. However, column load ratio has an adverse influence on ductility as anticipated at normal temperature. One SRC frame specimen failed during the cooling phase, which demonstrates the importance of considering the cooling phase during the fire safety design.
- Subjects :
- Fire test
Materials science
Deformation (mechanics)
business.industry
0211 other engineering and technologies
Phase (waves)
Stiffness
020101 civil engineering
02 engineering and technology
Building and Construction
Structural engineering
Dissipation
0201 civil engineering
Planar
021105 building & construction
Architecture
medicine
medicine.symptom
Safety, Risk, Reliability and Quality
Ductility
business
Beam (structure)
Civil and Structural Engineering
Subjects
Details
- ISSN :
- 23520124
- Volume :
- 25
- Database :
- OpenAIRE
- Journal :
- Structures
- Accession number :
- edsair.doi...........70e318e9c09ac6a57fe6dc3c89109e66