Analyses of Urban Pavement Surface Temperatures

Aleksandra Deluka-Tibljaš, Sanja Šurdonja, Sergije Babić, Marijana Cuculić

Abstract


Heat islands are areas that have higher air temperatures than their surroundings. It has been proven that the use of certain types of pavement surface materials contributes to the occurrence of heat islands. The heat island effect is dominant in urban areas, mainly in city centres. To identify potentially favourable pavement surface materials that are suitable for the use on surfaces in urban areas, an extensive analysis of in-place material temperatures was conducted in the city centre of Rijeka (Croatia) during the summer of 2011 and 2012. The measurements included temperatures of pavement surfaces made of asphalt, concrete and stone. The analysis results identified local materials whose use help to reduce or mitigate the effect of additional heating in the urban environment caused by emission of heat from pavement surfaces. In terms of additional heating of urbanized areas, asphalt has proven to be significantly less favourable than other analysed materials. In addition to the materials selected for the use in wearing courses, their characteristics and the microclimates of the locations where they will be placed must be taken into consideration. Among the standard paving materials, in terms of heating and temperature, concrete is more favourable than asphalt because the differences between concrete surface temperatures and air temperatures are significantly smaller than between asphalt surface temperatures and air temperatures. Stone surfaces have proven to be the most favourable. The analysis results presented can be used to establish clear guidelines for using specific materials under specific conditions.

Keywords:

pavement; temperature; heat island; asphalt; concrete; stone

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References


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DOI: 10.3846/bjrbe.2015.30

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1. PREDICTION OF DEPTH TEMPERATURE OF ASPHALT LAYERS IN HOT CLIMATE AREA
Nader Solatifar, Mojtaba Abbasghorbani, Amir Kavussi, Henrikas Sivilevičius
JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT  vol: 24  issue: 7  first page: 516  year: 2018  
doi: 10.3846/jcem.2018.6162

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