MATEC Web Conf.
Volume 215, 2018The 2nd International Conference on Technology, Innovation, Society and Science-to-Business (ICTIS 2018)
|Number of page(s)||4|
|Section||Emerging Technologies and Applied Science|
|Published online||16 October 2018|
The Effect of Fly Ash Composition and Drying Time Concrete Brick in Density Test
Institut Teknologi Padang, Mechanical Engineering Department, Padang, West Sumatra, Indonesia
This study uses the fly ash (FA) from coal combustion power plant Sijantang Sawahlunto. By utilizing fly ash in concrete brick can reduce the negative impact on the environment, composition of fly ash in concrete brick at 0, 5, 10, and 15 wt.% FA concrete brick added material (sand, cement and water as a binder). Influence of drying time 7, 14, 21, 28, and 35 days. Test specimen based on SNI 03-0349-1989, with size of 34 x 12 x 9 cm. The results showed that the composition of 5 wt.% fly ash with 28 days drying time was found to be the highest density with 2,230 gr/cm3, while the lowest density in the composition test was 15 wt.% fly ash with 35 days drying time with the density 1,946 gr/cm3. In this study, the density of normal concrete brick density with density 2,208-2,230 gr/cm3 and light concrete brick density of 2,000-1,946 gr/cm3, and also found a normal and light concrete brick category that is 2,022-2,053 gr/cm3.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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