Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/3184
Title: Investigation of color pigment incorporated roller compacted high performance concrete as a mitigation tool against urban heat island
Authors: Çalış, Gökhan
Yıldızel, Sadık Alper
Keskin, Ülkü Sultan
Keywords: Urban heat island
Roller compacted high performance concrete
Cool pavement
Colored concrete
Pigment
Reflective pavement
Envi-Met
Thermal Comfort
Climate-Change
Shade Trees
High Albedo
Energy Use
Pavement
Cool
Buildings
Impact
Issue Date: 2022
Publisher: Elsevier
Abstract: Traditional asphalt pavement is one of the causes of urban heat island due to its low albedo. Although the use of various pavement materials is widely preferred method to mitigate urban heat island effect, the use of color pigment added roller compacted high performance concrete as road pavement is a new approach. Within the scope of this research color pigment incorporated roller compacted high performance concrete (CIP-RCHPC) was produced to mitigate urban heat island. Color pigment was used at the rate of 0.25 % 0.5 % 0.75 % and 1 % of cement by weight. Vebe, compressive strength, splitting tensile strength and albedo determination tests were per-formed on the samples. Highest albedo was obtained as 0.69 on the RCHPC sample that con-taining color pigment 0.75 % of cement by weight. A selected area was modeled in ENVI-met software with two configurations. In the base configuration road pavement material was set to be asphalt and in roller compacted concrete (RCC) configuration pavement material was set to be RCHPC with 0.69 albedo value. Air temperature, relative humidity, surface temperature and reflected sort wave radiation results were obtained from the both simulations. In the asphalt configuration the highest air temperature was determined to be 33.72 degrees C while it was determined to be 32.55 degrees C RCC configuration. Utilization of color incorporated RCHPC as a pavement ma-terial results in 1.63 degrees C decrease on air temperature, 9.69 degrees C reduce on surface temperature, 8 % increase on relative humidity and 56 % on sort wave reflectance, in the model area which is an ordinary urban area containing residential buildings and streets where speed limit is 50 km/h.
URI: https://doi.org/10.1016/j.cscm.2022.e01479
https://doi.org/10.1016/j.cscm.2022.e01479
https://hdl.handle.net/20.500.13091/3184
ISSN: 2214-5095
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

Show full item record

CORE Recommender

Page view(s)

12
checked on Jan 30, 2023

Google ScholarTM

Check

Altmetric


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.