Effect of POFA Foamed Concrete Block on Indoor Air Temperatures
| Autor: | Hanizam Awang, Wenny Arminda |
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| Rok vydání: | 2019 |
| Předmět: | |
| Zdroj: | IOP Conference Series: Materials Science and Engineering. 603:052022 |
| ISSN: | 1757-899X 1757-8981 |
| DOI: | 10.1088/1757-899x/603/5/052022 |
| Popis: | Palm oil fuel ash (POFA) is a by-product produced from the combustion of biomass, including palm oil fibre and kernel shell; it is commonly used as an alternative fuel to generate electricity in palm oil mills. The disposal of this ash around the mill is usually uncontrolled, causing environmental problems. To reduce the ash’s negative impact on the environment, several studies have sought to incorporate this waste into the production of concrete, mortar and paste. Incorporation of POFA can enhance the mechanical, material and thermal properties of foamed concrete. This study examines the effect of replacing cement with POFA in a lightweight foamed concrete mix with a density of 900 kg/m3 and cement-to-sand ratio of 1:1.5 on indoor air temperatures. The POFA foamed concrete was cast to produce blocks measuring 100 mm × 200 mm × 500 mm. A single-storey building with a floor area of 20 m2 and height of 3 m was built and tested, and an actual test of indoor and outdoor temperatures was conducted. Comparison of actual and simulated data using simulation software showed that the indoor air temperature of the POFA foamed concrete block is lower than the outdoor air temperature. Using POFA foamed concrete blocks as a wall material decreased the indoor air temperature by up to 5.69 °C. The average indoor air temperature of a building with POFA foamed concrete blocks was 29.11 °C, which is close to that of a building with clay brick (29.12 °C). These temperatures are lower than those of buildings with normal concrete walls. |
| Databáze: | OpenAIRE |
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