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Effects of specimen size and shape on compressive strength of foamed concrete containing spent bleaching earth and kenaf fiber

Mohammed Hesham Ali, Hammam (2019) Effects of specimen size and shape on compressive strength of foamed concrete containing spent bleaching earth and kenaf fiber. Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang.

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Abstract

Present research studies the effects of specimen size and shape on compressive strength of foamed concrete containing Processed Spent Bleaching Earth (PSBE) and Kenaf Fiber. There are two mixtures were prepared which namely PFC (30% of PSBE as partial cement replacement of cement and PKF (30% PSBE + 0.5% Kenaf fiber). The mix density was design as 1600 kg/m3. All specimens were tested to determine the workability by measure the flow table of the mixtures and compression test to determine the compressive strength of foamed concrete. This study was focused to determine the effect of size and shape on compressive strength of foamed concrete at 7 days, 14 days and 28 days. The size and shape of specimens used for compressive strength were cubes of size 150x150x150mm, 100x100x100mm and 50x50x50mm and cylinders of 150 x 300 mm and 100 x 200 mm. From the experimental results, both mixtures showed increase in the compressive strength for all sizes and shape of specimens from 7days to 28 days. As compared to PFC mix, the highest compressive strength achieved 17.0 MPa in cubes size 100x100x100mm and 150x150x150mm at 28 days, and in PKF mix, the highest compressive strength achieved 11.0 MPa in cube size 100x100x100mm and 150x150x150mm at 28 days. In other hand the compressive strength of cylinders size 100x200 mm diameter was 21% greater than 150x300 mm diameter which achieved 19.0 MPa and 15 MPa in PFC. Also, the compressive strength of cylinders size 100x200 mm diameter was 30% greater than 150x300 mm diameter which achieved 20 MPa and 14 MPa in PKF.

Item Type: Undergraduates Project Papers
Additional Information: Project Paper (Bachelors of Civil Engineering) -- Universiti Malaysia Pahang – 2019, SV: PN. ROKIAH BINTI OTHMAN, NO. CD: 12325
Uncontrolled Keywords: Foamed concrete; Processed Spent Bleaching Earth (PSBE); Kenaf Fiber
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Mrs. Sufarini Mohd Sudin
Date Deposited: 03 Jul 2020 03:03
Last Modified: 03 Jul 2020 03:03
URI: http://umpir.ump.edu.my/id/eprint/28639
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