Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Temperature characteristics of permeable asphalt pavement: Field research
Highlights The impact of non-rainy conditions on temperatures of pavement was analyzed. The temperature distribution of pavement under different rainfall was studied. Cooling duration, cooling extent and influence depth were studied.
Abstract Permeable asphalt pavement (PAP) has many advantages such as reducing surface runoff and improving driving safety on rainy days; hence, it has attracted much attention from researchers. PAP is greatly affected by environmental factors due to its porous structure and the temperature characteristics are different from those of dense asphalt pavement (DAP). This study aims to understand the influences of environmental conditions on the patterns of temperature distribution in PAP and DAP. Weather station and temperature sensors were installed while paving PAP and DAP. Meteorological data and temperature data of each structural layer of PAP and DAP were collected during 2019–2021. The results demonstrate that temperatures in the depth range of 4 ∼ 10 cm below the PAP surface were 1 ∼ 6℃ higher than DAP on rainless days. The heat storage and dissipation efficiency of PAP within the depth range of 4 ∼ 40 cm were better than that of DAP. The maximum influence depth of PAP that heavy rainfall can affect is 60 cm, the maximum cooling extent of PAP is 5 ∼ 6℃, and the minimum cooling duration of PAP is 10 h on rainy days. This study provides a reliable foundation for evaluating the extent of the environmental impacts of PAP.
Temperature characteristics of permeable asphalt pavement: Field research
Highlights The impact of non-rainy conditions on temperatures of pavement was analyzed. The temperature distribution of pavement under different rainfall was studied. Cooling duration, cooling extent and influence depth were studied.
Abstract Permeable asphalt pavement (PAP) has many advantages such as reducing surface runoff and improving driving safety on rainy days; hence, it has attracted much attention from researchers. PAP is greatly affected by environmental factors due to its porous structure and the temperature characteristics are different from those of dense asphalt pavement (DAP). This study aims to understand the influences of environmental conditions on the patterns of temperature distribution in PAP and DAP. Weather station and temperature sensors were installed while paving PAP and DAP. Meteorological data and temperature data of each structural layer of PAP and DAP were collected during 2019–2021. The results demonstrate that temperatures in the depth range of 4 ∼ 10 cm below the PAP surface were 1 ∼ 6℃ higher than DAP on rainless days. The heat storage and dissipation efficiency of PAP within the depth range of 4 ∼ 40 cm were better than that of DAP. The maximum influence depth of PAP that heavy rainfall can affect is 60 cm, the maximum cooling extent of PAP is 5 ∼ 6℃, and the minimum cooling duration of PAP is 10 h on rainy days. This study provides a reliable foundation for evaluating the extent of the environmental impacts of PAP.
Temperature characteristics of permeable asphalt pavement: Field research
Lu, Rong (Autor:in) / Jiang, Wei (Autor:in) / Xiao, Jingjing (Autor:in) / Xing, Chengwei (Autor:in) / Ruan, Chong (Autor:in) / Li, Yupeng (Autor:in) / Wu, Wangjie (Autor:in)
01.04.2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
High-permeability emulsified asphalt permeable layer for asphalt pavement
| Europäisches Patentamt | 2023
High-viscosity asphalt modifier permeable asphalt pavement construction method
| Europäisches Patentamt | 2023
Permeable and drainage asphalt pavement paving structure
| Europäisches Patentamt | 2020