Building the cooling roads with high thermal conductivity pavements to relieve urban heat island effect
This study aims to propose a new highly thermally conductive pavement (HTCP) structure and evaluate the cooling effect of the structural layers and near-surface air. The HTCP consisted of coarse quartzite aggregates with high thermal conductivity instead of limestone. The HTCP and conventional asphalt pavement layers were placed in the environmental chamber. The incandescent lamp was used to simulate solar radiation to analyze the air temperature changes of the structural layers and near-surface air. The test results show that quartzite improves the thermal inertia of asphalt pavement layers. And the HTCP effectively transfers the heat accumulated in the upper layer and reduces the daily temperature of structure layers and near-surface air. However, HTCP releases more sensible heat at night, negatively impacting the urban heat island effect. This research contributes to the improvement of HTCP from an aggregate perspective and provides new ideas for mitigating the UHI effect.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/09500618
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Supplemental Notes:
- © 2022 Elsevier Ltd. All rights reserved. Abstract reprinted with permission of Elsevier.
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Authors:
- Pan, Fei
- Pei, Jianzhong
- Zhang, Gewei
- Wen, Yong
- Zhang, Jiupeng
- Li, Rui
- Publication Date: 2022-9-5
Language
- English
Media Info
- Media Type: Web
- Features: Figures; Illustrations; References; Tables;
- Pagination: 128276
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Serial:
- Construction and Building Materials
- Volume: 346
- Issue Number: 0
- Publisher: Elsevier
- ISSN: 0950-0618
- Serial URL: http://www.sciencedirect.com/science/journal/09500618?sdc=1
Subject/Index Terms
- TRT Terms: Asphalt concrete pavements; Cooling; Heat islands; Quartzite; Thermal conductivity
- Subject Areas: Environment; Highways; Materials; Pavements;
Filing Info
- Accession Number: 01858228
- Record Type: Publication
- Files: TRIS
- Created Date: Sep 20 2022 2:33PM