Study of vege-grout as coating material in reducing surface temperature

Research output: Contribution to journalArticle

Abstract

Pavement is one of the main features in cities and urban areas that contribute to the Urban Heat Island (UHI) effect. The urban areas are more affected by this condition compared to the rural areas due to the extensive built environment and lack of vegetation cover. Many studies have reported that the shear strength of sandy soil was improved by using the microbial-induced calcite precipitation method and most of the experimental work on microbial cementation utilized cultivated culture of ureolytic bacteria for calcium carbonate formation. However, our previous study has demonstrated that vege-grout from vegetable waste can also induce bio-cementation due to the presence of microbial activity in the vege-grout. Following this, the study has been expanded to investigate the feasibility of bio-cementation from vege-grout as a coating material to reduce surface temperature. A mixture of the coating was developed using vege-grout as the main composition. The mixture was then applied on the surface of the interlocking paver and left to cure at room temperature for seven days. Surface temperature was measured using an infrared thermometer and thermographic camera. Results showed that the surface temperature of vege-grout coated paver was reduced by 4-5 °C compared to that of control. The outcome of this study suggested that vege-grout has the potential to be explored as a component for coating material that can reduce surface temperature.

Original languageEnglish
Pages (from-to)35-40
Number of pages6
JournalInternational Journal of GEOMATE
Volume17
Issue number63
DOIs
Publication statusPublished - 01 Jan 2019

Fingerprint

grout
coatings
surface temperature
coating
Coatings
cementation
urban areas
thermometers
Temperature
shear strength
calcite
calcium carbonate
urban area
vegetation cover
rural areas
cameras
microbial activity
sandy soils
Thermometers
Calcite

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology
  • Soil Science

Cite this

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title = "Study of vege-grout as coating material in reducing surface temperature",
abstract = "Pavement is one of the main features in cities and urban areas that contribute to the Urban Heat Island (UHI) effect. The urban areas are more affected by this condition compared to the rural areas due to the extensive built environment and lack of vegetation cover. Many studies have reported that the shear strength of sandy soil was improved by using the microbial-induced calcite precipitation method and most of the experimental work on microbial cementation utilized cultivated culture of ureolytic bacteria for calcium carbonate formation. However, our previous study has demonstrated that vege-grout from vegetable waste can also induce bio-cementation due to the presence of microbial activity in the vege-grout. Following this, the study has been expanded to investigate the feasibility of bio-cementation from vege-grout as a coating material to reduce surface temperature. A mixture of the coating was developed using vege-grout as the main composition. The mixture was then applied on the surface of the interlocking paver and left to cure at room temperature for seven days. Surface temperature was measured using an infrared thermometer and thermographic camera. Results showed that the surface temperature of vege-grout coated paver was reduced by 4-5 °C compared to that of control. The outcome of this study suggested that vege-grout has the potential to be explored as a component for coating material that can reduce surface temperature.",
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Study of vege-grout as coating material in reducing surface temperature. / Che Omar, Rohayu; Taha, Hairin; Roslan, Rasyikin; Baharuddin, Intan Nor Zuliana; Hanna, A.

In: International Journal of GEOMATE, Vol. 17, No. 63, 01.01.2019, p. 35-40.

Research output: Contribution to journalArticle

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