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Image analysis method for determining 3-D shape of coarse aggregate
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering, Engineering Geology and Geophysics.
2005 (English)In: Cement and Concrete Research, ISSN 0008-8846, E-ISSN 1873-3948, Vol. 35, no 8, 1629-1637 p.Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2005. Vol. 35, no 8, 1629-1637 p.
Keyword [en]
particle shape, image analysis, particle size distribution, physical properties, aggregates, rocks
URN: urn:nbn:se:kth:diva-14973DOI: 10.1016/j.cemconres.2004.11.017ISI: 000231192700023ScopusID: 2-s2.0-22844438346OAI: diva2:333014
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Robison Fernlund, Joanne
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Engineering Geology and Geophysics
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