Performance of rubberized concrete-filled hollow steel column under monotonic and cyclic loadings
 
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1
Candidate, School of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Johor, Malaysia
 
2
School of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Johor, Malaysia
 
3
Candidate, School of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru, Johor,Malaysia
 
4
Faculty of Civil Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang, Malaysia
 
 
Submission date: 2021-07-28
 
 
Final revision date: 2021-09-01
 
 
Acceptance date: 2021-09-01
 
 
Publication date: 2022-03-30
 
 
Archives of Civil Engineering 2022;68(1):519-538
 
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ABSTRACT
Concrete-filled hollow steel (CFHS) has become more popular due to its advantages and benefits compared to reinforced concrete. This paper presents the experimental investigation on the performance of rubberized pozzolanic concrete-filled hollowsteel column (RuPCFHS) under monotonic and cyclic lateral load in comparison to bare hollow steel column and normal concrete-filled hollow steel column (NCFHS). The test parameters included the type of concrete infill and the level of axial load. Modified rubberized pozzolanic concrete with comparable compressive strength to that of normal concrete was used. Two types of axial load conditions: no axial load and 20% axial load were considered in the testing. The test results indicate that the performance of the columns improved when concrete infill was introduced in the hollow steel. The application of axial loading also increased the capacity of the column specimens. RuPCFHS behaved with comparable performance with NCFHS in both monotonic and cyclic testing. RuPCFHS recorded the highest increment in the energy dissipation capability when 20% axial load was applied to the column when compared to the other specimens. The comparable performance indicated the possibility ofRuPC as an infill material of CFHS andRuPCFHS as a structural component.
eISSN:2300-3103
ISSN:1230-2945
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