Related Experiment Video
Updated: Aug 24, 2026

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall
Published on: January 6, 2023
The effect of traction sanding on urban suspended particles in Finland
Kaarle Kupiainen1, Heikki Tervahattu
1Department of Limnology and Environmental Protection, University of Helsinki, Helsinki, Finland. kaarle.kupiainen@helsinki.fi
Abstract:
Springtime urban road dust forms one of the most serious problems regarding air pollution in Finland. The composition and origin of springtime dust was studied in southern Finland with two different methods. Suspended particles (PM10 and TSP) were collected with high volume particle samplers and particle deposition was collected with moss bags. The composition of the PM(1.5-10) fraction was studied using individual particle analysis with SEM/EDX. The deposition in the moss bags was analysed with ICP-MS. The results showed that during the study period, approximately 10% of both PM(1.5-10) particles and the deposition originated from sanding. Other sources in the springtime PM(1.5-10) were e.g. asphalt aggregate or soil and combustion processes. It can be concluded that sanding produced a relatively small amount of particulate matter under the investigated circumstances.
More Related Videos
07:47Experimental Protocol to Investigate Particle Aerosolization of a Product Under Abrasion and Under Environmental Weathering
Published on: September 16, 2016
08:59Measuring Sub-23 Nanometer Real Driving Particle Number Emissions Using the Portable DownToTen Sampling System
Published on: May 22, 2020
Related Concept Videos
Deleterious Substances in Aggregate
Another type of impurity is clay and fine material that...
Fineness of Cement
Direct...
Abrasion Resistance of Concrete
One such test is the revolving disc test, where three plates...
Effects of Air-entrainment in Concrete
Design Example: Aggregate Gradation
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is sampled...