Free mica grains in crushed rock aggregates
2007 (English)In: Bulletin of Engineering Geology and the Environment, ISSN 1435-9529, E-ISSN 1435-9537, Vol. 66, no 4, 441-447 p.Article in journal (Refereed) Published
Enrichment of free mica (i.e. as monomineralic grains) in the fine fraction of crushed rock aggregates affects the quality of the aggregate end product. Granitoid rock from the Svecofennian Province were used as being representative of crushed rock aggregates commonly used for construction purposes. The results reveal a general trend of enrichment of mica for finer fractions. For the coarse grained rock a peak occurs at 0.25-0.5 mm followed by a decrease in the amount of free mica; for grains <0.063 mm there is an increase. The general trend and peak are correlated to the microstructural characteristics of the samples.
Place, publisher, year, edition, pages
2007. Vol. 66, no 4, 441-447 p.
Research subject Soil Mechanics
IdentifiersURN: urn:nbn:se:ltu:diva-9581DOI: 10.1007/s10064-007-0091-4Local ID: 83a611e0-6c4e-11dc-89fb-000ea68e967bOAI: oai:DiVA.org:ltu-9581DiVA: diva2:982519
Validerad; 2007; 20070926 (ysko)2016-09-292016-09-29Bibliographically approved