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Temporal Variation of Road Dust Load and Its Size Distribution—a Comparative Study of a Porous and a Dense Pavement

Lundberg, Joacim LU orcid ; Gustafsson, Mats ; Janhäll, Sara LU orcid ; Eriksson, Olle ; Blomqvist, Göran and Erlingsson, Sigurdur (2020) In Water, Air, and Soil Pollution 231(12).
Abstract

Resuspension of road dust contributes to air quality issues with resulting health impacts. Limited studies imply that porous pavements can initially mitigate PM10 emissions by acting as a dust trap, but the abrasion wear generates road dust and thus accelerates the clogging processes. In addition, knowledge regarding the impact of pavement types on road dust load dynamics is limited. Road traffic noise can be mitigated using porous pavements, but the use of studded tyres increases the abrasion wear of the pavement as well as increasing the noise emission. Due to this durability problem, porous pavements are rarely used in the Nordic countries where, instead, dense pavements which are abrasion resistant are more common.... (More)

Resuspension of road dust contributes to air quality issues with resulting health impacts. Limited studies imply that porous pavements can initially mitigate PM10 emissions by acting as a dust trap, but the abrasion wear generates road dust and thus accelerates the clogging processes. In addition, knowledge regarding the impact of pavement types on road dust load dynamics is limited. Road traffic noise can be mitigated using porous pavements, but the use of studded tyres increases the abrasion wear of the pavement as well as increasing the noise emission. Due to this durability problem, porous pavements are rarely used in the Nordic countries where, instead, dense pavements which are abrasion resistant are more common. Linköping municipality, in Sweden, constructed a porous pavement to mitigate road traffic noise. This led to the opportunity to investigate the temporal variation of the dust load dynamics and inherent size distributions over the winter and spring in comparison to those of an adjacent dense pavement. Results, when using the wet dust sampler (WDS) method, showed similar dust load dynamics for the dense and porous pavements. The results were also compared to previous studies using the same method on different dense pavements in Stockholm, Sweden. All locations showed a seasonal variation with higher dust loads during winter and early spring and declining loads towards summer. The size distributions were more complex for the wheel tracks at the porous pavement, having primarily properties of a mixture model compared to the simple size distributions for the dense pavement. On the other hand, the dust load and size distribution were more similar between the porous and dense pavements regarding loads and shapes, indicating a less pronounced but similar behaviour between the surfaces outside of the wheel tracks.

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author
; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Double-layered porous asphalt concrete–DLPAC, Low noise pavement, Organic fraction, Particle size distribution, Road dust, Stone mastic asphalt–SMA, Temporal variation, Porös asfalt, Dubbeldrän, Tät asfalt, ABT, PM10, aerosol, Fältmätning, Trafik, vägdamm, vägdammsförråd
in
Water, Air, and Soil Pollution
volume
231
issue
12
article number
561
publisher
Springer
external identifiers
  • scopus:85096168036
ISSN
0049-6979
DOI
10.1007/s11270-020-04923-1
language
English
LU publication?
no
additional info
Publisher Copyright: © 2020, The Author(s).
id
305654f9-4ad0-4349-875f-0e1f8bd3c1be
date added to LUP
2025-03-14 14:15:19
date last changed
2025-04-04 13:58:42
@article{305654f9-4ad0-4349-875f-0e1f8bd3c1be,
  abstract     = {{<p>Resuspension of road dust contributes to air quality issues with resulting health impacts. Limited studies imply that porous pavements can initially mitigate PM<sub>10</sub> emissions by acting as a dust trap, but the abrasion wear generates road dust and thus accelerates the clogging processes. In addition, knowledge regarding the impact of pavement types on road dust load dynamics is limited. Road traffic noise can be mitigated using porous pavements, but the use of studded tyres increases the abrasion wear of the pavement as well as increasing the noise emission. Due to this durability problem, porous pavements are rarely used in the Nordic countries where, instead, dense pavements which are abrasion resistant are more common. Linköping municipality, in Sweden, constructed a porous pavement to mitigate road traffic noise. This led to the opportunity to investigate the temporal variation of the dust load dynamics and inherent size distributions over the winter and spring in comparison to those of an adjacent dense pavement. Results, when using the wet dust sampler (WDS) method, showed similar dust load dynamics for the dense and porous pavements. The results were also compared to previous studies using the same method on different dense pavements in Stockholm, Sweden. All locations showed a seasonal variation with higher dust loads during winter and early spring and declining loads towards summer. The size distributions were more complex for the wheel tracks at the porous pavement, having primarily properties of a mixture model compared to the simple size distributions for the dense pavement. On the other hand, the dust load and size distribution were more similar between the porous and dense pavements regarding loads and shapes, indicating a less pronounced but similar behaviour between the surfaces outside of the wheel tracks.</p>}},
  author       = {{Lundberg, Joacim and Gustafsson, Mats and Janhäll, Sara and Eriksson, Olle and Blomqvist, Göran and Erlingsson, Sigurdur}},
  issn         = {{0049-6979}},
  keywords     = {{Double-layered porous asphalt concrete–DLPAC; Low noise pavement; Organic fraction; Particle size distribution; Road dust; Stone mastic asphalt–SMA; Temporal variation; Porös asfalt; Dubbeldrän; Tät asfalt; ABT; PM10; aerosol; Fältmätning; Trafik; vägdamm; vägdammsförråd}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{Springer}},
  series       = {{Water, Air, and Soil Pollution}},
  title        = {{Temporal Variation of Road Dust Load and Its Size Distribution—a Comparative Study of a Porous and a Dense Pavement}},
  url          = {{http://dx.doi.org/10.1007/s11270-020-04923-1}},
  doi          = {{10.1007/s11270-020-04923-1}},
  volume       = {{231}},
  year         = {{2020}},
}