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Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving

Residential consumption dominates the energy expenditure of heating and cooling systems, especially in tropical climates where building envelopes play an important role in energy efficiency. The thermal properties of concrete that are commonly employed as the building envelope material affect direct...

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Main Authors: Yee Yong, Lee, Ahmad Beng Hong, Kueh, Yeong Huei, Lee
Format: Article
Language:English
Published: MDPI 2021
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://ir.unimas.my/id/eprint/35678/1/crystals1.pdf
http://ir.unimas.my/id/eprint/35678/
https://doi.org/10.3390/cryst11050461
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spelling my.unimas.ir.356782021-07-26T02:37:06Z http://ir.unimas.my/id/eprint/35678/ Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving Yee Yong, Lee Ahmad Beng Hong, Kueh Yeong Huei, Lee TA Engineering (General). Civil engineering (General) Residential consumption dominates the energy expenditure of heating and cooling systems, especially in tropical climates where building envelopes play an important role in energy efficiency. The thermal properties of concrete that are commonly employed as the building envelope material affect directly human comfort in a building. In addressing both the concrete thermal performance and industrial waste issues, this paper experimentally studies the concrete compressive strength and thermal properties used later for comparative energy analysis for human comfort. Four design mixes and a conventional concrete as control specimen are considered utilizing industrial wastes; palm oil fly ash (POFA), lightweight expanded clay aggregate (LECA), oil palm shell (OPS), and quarry dust, as constituents. These mixes are cast for cube compressive strength (to ensure the achievement of structural concrete requirement) and small-scaled wall tests. The measurement of surface temperatures of scaled wall tests is conducted in a polystyrene box to determine the concrete time lag and decrement factor. It is found that the density of concrete governs the compressive strength and that air pockets in the concrete matrix play an essential role as far as the thermal properties are concerned. From the energy analysis, structural lightweight concrete may save approximately 50% of the residential energy consumption MDPI 2021-04-21 Article PeerReviewed text en http://ir.unimas.my/id/eprint/35678/1/crystals1.pdf Yee Yong, Lee and Ahmad Beng Hong, Kueh and Yeong Huei, Lee (2021) Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving. Crystals, 11 (461). pp. 1-15. ISSN 2073-4352 file:///C:/Users/nieda/OneDrive/Documents/crystals.pdf https://doi.org/10.3390/cryst11050461
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Yee Yong, Lee
Ahmad Beng Hong, Kueh
Yeong Huei, Lee
Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving
description Residential consumption dominates the energy expenditure of heating and cooling systems, especially in tropical climates where building envelopes play an important role in energy efficiency. The thermal properties of concrete that are commonly employed as the building envelope material affect directly human comfort in a building. In addressing both the concrete thermal performance and industrial waste issues, this paper experimentally studies the concrete compressive strength and thermal properties used later for comparative energy analysis for human comfort. Four design mixes and a conventional concrete as control specimen are considered utilizing industrial wastes; palm oil fly ash (POFA), lightweight expanded clay aggregate (LECA), oil palm shell (OPS), and quarry dust, as constituents. These mixes are cast for cube compressive strength (to ensure the achievement of structural concrete requirement) and small-scaled wall tests. The measurement of surface temperatures of scaled wall tests is conducted in a polystyrene box to determine the concrete time lag and decrement factor. It is found that the density of concrete governs the compressive strength and that air pockets in the concrete matrix play an essential role as far as the thermal properties are concerned. From the energy analysis, structural lightweight concrete may save approximately 50% of the residential energy consumption
format Article
author Yee Yong, Lee
Ahmad Beng Hong, Kueh
Yeong Huei, Lee
author_facet Yee Yong, Lee
Ahmad Beng Hong, Kueh
Yeong Huei, Lee
author_sort Yee Yong, Lee
title Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving
title_short Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving
title_full Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving
title_fullStr Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving
title_full_unstemmed Thermal Performance of Structural Lightweight Concrete Composites for Potential Energy Saving
title_sort thermal performance of structural lightweight concrete composites for potential energy saving
publisher MDPI
publishDate 2021
url http://ir.unimas.my/id/eprint/35678/1/crystals1.pdf
http://ir.unimas.my/id/eprint/35678/
https://doi.org/10.3390/cryst11050461
_version_ 1706961356528287744
score 13.211869

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