MATEC Web Conf.
Volume 78, 20162nd International Conference on Green Design and Manufacture 2016 (IConGDM 2016)
|Number of page(s)||7|
|Published online||07 October 2016|
Study on Characteristics of Lightweight Aggregate Concrete Made From Foam and Ordinary Portland Cement
1 School of Environmental Engineering, Universiti Malaysia Perlis (UniMAP), Kompleks Pusat Pengajian Jejawi 3, 02600 Arau, Perlis, Malaysia
2 School Electrical System Engineering, University Malaysia Perlis (UniMAP), Pauh Putra Engineering Campus, 02600 Arau, Perlis, Malaysia
* Corresponding author: firstname.lastname@example.org
The production and characteristic of lightweight bubble aggregates (LBA) are presented in this paper. The LBA are produced by mixing between the foam and ordinary Portland cement according to the composition which has been set. Then, the characteristics of LBA such as density, water absorption, specific gravity, compressive strength, aggregate impact value and microscopic analysis of the LBA are analyzed. Those characteristics are identified in order to ensure that the LBA are successfully categorized into lightweight aggregate. The loose bulk density is obtained at 812.5 kg/m3 which can be categorized under lightweight aggregate group. For water absorption the value obtained is 9.7 % which is slightly higher compared to normal aggregate. Meanwhile the average specific gravity obtained for the samples of LBAis 1.75. Compressive strength for the aggregates was 17.76 MPa. The highest compressive strength for LBA foamed concrete was obtained at 25% replacement with 7.83MPa. Thus, the LBA have a significant features and characteristics that can be used as coarse aggregates in concrete.
© The Authors, published by EDP Sciences, 2016
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