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Behaviour of lightweight foamed concrete with pre-tensioning steel straps confinement

Amsyar, Faisal and Ma, Chau Khun and Omar, Wahid and Awang, Abdullah Zawawi and Shek, Poi Ngian (2019) Behaviour of lightweight foamed concrete with pre-tensioning steel straps confinement. In: 12th International Civil Engineering Post Graduate Conference, SEPKA 2018 and 3rd International Symposium on Expertise of Engineering Design, ISEED 2018, 27 August 2018 through 28 August 2018, Johor, Malaysia.


Official URL: http://dx.doi.org/10.1088/1755-1315/220/1/012020


Due to its low compressive strength and ductility, lightweight foamed concrete (LFC) cannot be used in structural members such as beams, slabs and columns. One way to improve the strength and ductility of LFC is by confining the concrete laterally by using active external confinement. This research therefore aimed to investigate the effectiveness of external confinement by using low cost steel straps tensioning technique (SSTT) to the LFC columns. A total of 36 cylindrical specimens with 100 mm diameter, 200 mm height and density of 1500 kg/m3, 1650 kg/m3 and 1800 kg/m3 were prepared in this study. The strength of the LFC columns was significantly improved with the increase in number of layers and decrease in spacing of the SSTT confinement. This paper also presents the axial compression stress-strain relationship of the SSTT-confined LFC. SSTT confinement is proven to be effective in increasing the performance of the LFC columns, especially in the specimens with the density of 1500 kg/m3.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:lightweight foamed concrete (LFC), steel straps tensioning technique (SSTT)
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:97089
Deposited By: Widya Wahid
Deposited On:23 Sep 2022 09:19
Last Modified:23 Sep 2022 09:19

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