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Paper Information

Journal:   CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING)   MARCH 2012 , Volume 45 , Number 7; Page(s) 835 To 843.
 
Paper: 

ASSESSMENT OF USING OF KNEE BRACING IN RETROFITTING OF EXISTING STEEL STRUCTURES WITH SPECIAL MOMENT RESISTANT FRAME SYSTEM (TECHNICAL NOTE)

 
 
Author(s):  NOURI G.R., NASERI R.
 
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Abstract: 

In this paper, non-linear behaviors of structures with special moment resistant frame were studied and possibility of using knee bracing for retrofitting of those structures was examined. For this aim, the structures that have been designed according to the second edition of Iranian seismic code (2800), were selected. Those models have 3, 5 and 7 stories. To evaluating and retrofitting of models, non-linear static analysis and capacity spectra (ATC-40) method were applied and providing of the expected performance levels in FEMA356 was studied. Results showed that the response of structures that designed according to the previous edition of code (second edition) is not compatible with the criteria of third edition. The knee bracing system was used to seismic retrofit of those structures. It would be concluded that the using of knee bracing increases lateral stiffness and improves their energy dissipating capacity. Furthermore, the results showed that the shorter knees have the highest stiffness and ductility in the structures.

 
Keyword(s): DEMAND-CAPACITY SPECTRUM, SPECIAL MOMENT RESISTANT FRAME, SEISMIC RETROFIT, PERFORMANCE OBJECTIVE, KNEE BRACING
 
 
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Citations: 
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APA: Copy

NOURI, G., & NASERI, R. (2012). ASSESSMENT OF USING OF KNEE BRACING IN RETROFITTING OF EXISTING STEEL STRUCTURES WITH SPECIAL MOMENT RESISTANT FRAME SYSTEM (TECHNICAL NOTE). CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING), 45(7), 835-843. https://www.sid.ir/en/journal/ViewPaper.aspx?id=275222



Vancouver: Copy

NOURI G.R., NASERI R.. ASSESSMENT OF USING OF KNEE BRACING IN RETROFITTING OF EXISTING STEEL STRUCTURES WITH SPECIAL MOMENT RESISTANT FRAME SYSTEM (TECHNICAL NOTE). CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING). 2012 [cited 2021June23];45(7):835-843. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=275222



IEEE: Copy

NOURI, G., NASERI, R., 2012. ASSESSMENT OF USING OF KNEE BRACING IN RETROFITTING OF EXISTING STEEL STRUCTURES WITH SPECIAL MOMENT RESISTANT FRAME SYSTEM (TECHNICAL NOTE). CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING), [online] 45(7), pp.835-843. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=275222.



 
 
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