Production of ultrafine particles during concrete fracture

Morawska, Lidia, Kumar, Prashant, Jabbour, Nassib, Jayaratne, Rohan, Johnson, Graham, Alroe, Joel, Uhde, Erik, Salthammer, Tunga, Cravigan, Luke, & Faghihi, Ehsan (2016) Production of ultrafine particles during concrete fracture. In 22nd European Aerosol Conference, 4-9 September 2016, Tours, France. (In Press)

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Abstract

Dust particles produced during construction activities have a significant impact on the air quality of urban environments, particularly in the growing number of megacities in the world. While it is known that the fracture and crushing of concrete gives rise to large quantities of dust, it is not that well known that this process also produces ultrafine particles. Kumar et al (2012) observed that over 90% of the particles by number produced during concrete recycling activities were in the ultrafine size range. This is of concern as these small particles can penetrate deeper into the human lungs and therefore have a greater impact on health than coarser particles (Oberdorster et al., 2005).

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ID Code: 96364
Item Type: Conference Item (Poster)
Refereed: Yes
Additional URLs:
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering not elsewhere classified (090799)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2016 [please consult the authors]
Deposited On: 28 Jun 2016 02:18
Last Modified: 14 Sep 2016 14:39

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