Flexural behaviour of steel hollow sections filled with concrete that contains OPBC as coarse aggregate

Javed, Muhammad Faisal and Ramli Sulong, Nor Hafizah and Memon, Shazim Ali and Rehman, Sardar Kashif-Ur and Khan, Niaz Bahadur (2018) Flexural behaviour of steel hollow sections filled with concrete that contains OPBC as coarse aggregate. Journal of Constructional Steel Research, 148. pp. 287-294. ISSN 0143-974X, DOI https://doi.org/10.1016/j.jcsr.2018.05.035.

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Official URL: https://doi.org/10.1016/j.jcsr.2018.05.035


Oil-palm-boiler clinker (OPBC) is an agricultural waste from the palm oil industry and is considered a serious threat to the environment. Moreover, the high consumption of concrete as a construction material results in a continuous demand for natural aggregates, thereby negatively affecting the environment. Thus, channeling OPBC waste materials into the concrete industry aids in promoting the use of a sustainable and lightweight member. This research presents a novel sustainable composite beam that uses an OPBC as a replacement of the natural coarse aggregate. Flexural behaviour of steel tubes infilled with conventional and OPBC concretes were investigated. The results showed that the ductility, flexural stiffness and structural efficiency were higher in the OPBC concrete filled steel tube (CFST) than conventional CFST by 15%, 12% and 20%, respectively. Furthermore, in comparison to conventional CFST, the 10% less self-weight in OPBC CFST will significantly reduce the construction cost of the material. Conclusively, the utilisation of OPBC as infill material for CFSTs will solve disposal problem, preserve natural resources, reduce environmental pollution and will make the structural system sustainable.

Item Type: Article
Funders: University Malaya Postgraduate Research Fund (PPP – Project no. PG155-2015B), Fundamental Research Grant Scheme, Ministry of Education, Malaysia (FRGS – Project no. FP047/2013B)
Uncontrolled Keywords: Concrete-filled steel tubes; Construction costs; Environmental pollutions; Flexural stiffness; Natural aggregate; Steel hollow section; Structural efficiencies; Structural systems
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 02 Aug 2019 02:11
Last Modified: 02 Aug 2019 02:11
URI: http://eprints.um.edu.my/id/eprint/21745

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