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Image analysis method for determining 3-D shape of coarse aggregate
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Mark- och vattenteknik, Teknisk geologi och geofysik.
2005 (engelsk)Inngår i: Cement and Concrete Research, ISSN 0008-8846, E-ISSN 1873-3948, Vol. 35, nr 8, s. 1629-1637Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A 3-D method for particle shape determination of coarse aggregates using image analysis, IA, is presented. It is based on the measures the axial length of all three axis of every particle in a coarse aggregate sample. Two images of the entire aggregate sample are taken, in lying and standing positions. Since the particle's intermediate axes are measured in both images they can be used to couple the shortest and longest axial dimensions for each particle. The method allows an interpretation of length/thickness, length/width and width/thickness ratios of all the particles and is thus comparable to the flakiness and shape index tests.

sted, utgiver, år, opplag, sider
2005. Vol. 35, nr 8, s. 1629-1637
Emneord [en]
particle shape, image analysis, particle size distribution, physical properties, aggregates, rocks
Identifikatorer
URN: urn:nbn:se:kth:diva-14973DOI: 10.1016/j.cemconres.2004.11.017ISI: 000231192700023Scopus ID: 2-s2.0-22844438346OAI: oai:DiVA.org:kth-14973DiVA, id: diva2:333014
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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