Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete
With the reduction in the permanent load on the structure and excellent insulation properties, the lightweight foamed concrete is a potential thermal insulating building material to counter the urban heat island effect, which increases the temperature of urban areas due to the concentration of infra...
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2018-01-01
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Series: | MATEC Web of Conferences |
Online Access: | https://doi.org/10.1051/matecconf/201815003008 |
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doaj-f195564c96f24f47ac758469f898ea9f2021-02-02T06:46:23ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-011500300810.1051/matecconf/201815003008matecconf_mucet2018_03008Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed ConcreteJhatial Ashfaque AhmedGoh Wan InnMohamad NoridahAlengaram U. JohnsonMo Kim HungWith the reduction in the permanent load on the structure and excellent insulation properties, the lightweight foamed concrete is a potential thermal insulating building material to counter the urban heat island effect, which increases the temperature of urban areas due to the concentration of infrastructures constructed using conventional concrete that absorbs the solar radiation. The lightweight foamed concrete whose dry density ranges from 400 kg/m3 to 1600 kg/m3, has lower thermal conductivity compared to conventional concrete. But reduced density attributes to reduced compressive strength. In this study, to enhance the mechanical properties, the foamed concrete of 1600 kg/m3 density is reinforced with polypropylene fibres (PP). Four percentages of PP fibres, 0% (controlled), 0.2%, 0.25% and 0.30% were added into the foamed concrete. The compressive strength as well as the thermal conductivity of foamed concrete reinforced with PP fibres were determined. Based upon the findings, the optimum percentage of PP was determined to be 0.20% which gave higher compressive strength while thermal conductivity of foamed concrete was observed to decrease upon addition of PP fibres. Thus, addition of PP fibres improves the thermal resistance in the foamed concrete along with enhancing the mechanical properties.https://doi.org/10.1051/matecconf/201815003008 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jhatial Ashfaque Ahmed Goh Wan Inn Mohamad Noridah Alengaram U. Johnson Mo Kim Hung |
spellingShingle |
Jhatial Ashfaque Ahmed Goh Wan Inn Mohamad Noridah Alengaram U. Johnson Mo Kim Hung Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete MATEC Web of Conferences |
author_facet |
Jhatial Ashfaque Ahmed Goh Wan Inn Mohamad Noridah Alengaram U. Johnson Mo Kim Hung |
author_sort |
Jhatial Ashfaque Ahmed |
title |
Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete |
title_short |
Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete |
title_full |
Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete |
title_fullStr |
Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete |
title_full_unstemmed |
Effect of Polypropylene Fibres on the Thermal Conductivity of Lightweight Foamed Concrete |
title_sort |
effect of polypropylene fibres on the thermal conductivity of lightweight foamed concrete |
publisher |
EDP Sciences |
series |
MATEC Web of Conferences |
issn |
2261-236X |
publishDate |
2018-01-01 |
description |
With the reduction in the permanent load on the structure and excellent insulation properties, the lightweight foamed concrete is a potential thermal insulating building material to counter the urban heat island effect, which increases the temperature of urban areas due to the concentration of infrastructures constructed using conventional concrete that absorbs the solar radiation. The lightweight foamed concrete whose dry density ranges from 400 kg/m3 to 1600 kg/m3, has lower thermal conductivity compared to conventional concrete. But reduced density attributes to reduced compressive strength. In this study, to enhance the mechanical properties, the foamed concrete of 1600 kg/m3 density is reinforced with polypropylene fibres (PP). Four percentages of PP fibres, 0% (controlled), 0.2%, 0.25% and 0.30% were added into the foamed concrete. The compressive strength as well as the thermal conductivity of foamed concrete reinforced with PP fibres were determined. Based upon the findings, the optimum percentage of PP was determined to be 0.20% which gave higher compressive strength while thermal conductivity of foamed concrete was observed to decrease upon addition of PP fibres. Thus, addition of PP fibres improves the thermal resistance in the foamed concrete along with enhancing the mechanical properties. |
url |
https://doi.org/10.1051/matecconf/201815003008 |
work_keys_str_mv |
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