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Methods to Optimize Aggregate Distribution: Evaluation by Concrete and Mortar Experiments
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-3997-3083
2014 (English)In: Nordic Concrete Research, ISSN 0800-6377, Vol. 51, p. 145-157Article in journal (Refereed) Published
Abstract [en]

A proper mix design optimizes the environmental impact and the cost effectiveness of a concrete. A minimum cement paste content is desirable without deteriorate the concrete properties. The cement paste content is dependent on the packing properties of the aggregates and it of interest to estimate the packing correctly. Three methods to optimize the aggregate distribution have been evaluated by concrete tests for crushed and natural aggregates: one curve fitting method and two particle packing methods. It is shown that the methods suggest very different aggregate distributions for an optimum concrete mix and they can´t handle fine crushed aggregate that consumeings a lot of mixing water.

Place, publisher, year, edition, pages
2014. Vol. 51, p. 145-157
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-11470Local ID: a72e2ca2-425d-418f-bbac-f0347bd08551OAI: oai:DiVA.org:ltu-11470DiVA, id: diva2:984420
Note
Validerad; 2014; 20141210 (mem)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-03-26Bibliographically approved

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Johansson, NiklasEmborg, Mats

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