MATEC Web of Conferences
Volume 47, 2016The 3rd International Conference on Civil and Environmental Engineering for Sustainability (IConCEES 2015)
|Number of page(s)
|Cementitious, Concrete and Sustainable Materials
|01 April 2016
Fresh Properties and Flexural Strength of Self-Compacting Concrete Integrating Coal Bottom Ash
1 Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Johor, Malaysia
2 Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
3 Faculty of Civil Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
4 Faculty of Civil Engineering, Universiti Teknologi MARA, 13500 Permatang Pauh, Pulau Pinang, Malaysia
5 National Hydraulic Research Institute of Malaysia, 43300 Seri Kembangan, Selangor, Malaysia
a Corresponding author : firstname.lastname@example.org
This paper presents the effect of using coal bottom ash as a partial replacement of fine aggregates in self-compacting concrete (SCC) on its fresh properties and flexural strength. A comparison between SCC with various replacements of fine aggregates with coal bottom ash showed that SCC obtained flexural strength decrease on increase of water cement ratio from 0.35 to 0.45. The natural sand was replaced with coal bottom ash up to 30% volumetrically. The fresh properties were investigated by slump flow, T500 spread time, L-box test and sieve segregation resistance in order to evaluate its self-compatibility by compared to control samples embed with natural sand. The results revealed that the flowability and passing ability of SCC mixtures are decreased with higher content of coal bottom ash replacement. The results also showed that the flexural strength is affected by the presence of coal bottom ash in the concrete. In addition, the water cement ratios are influence significantly with higher binder content in concrete.
© Owned by the authors, published by EDP Sciences, 2016
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