Mix proportioning of self-compacting normal and high-strength concretes

Deeb, Rola and Karihaloo, Bhushan Lal ORCID: https://orcid.org/0000-0003-0657-2678 2013. Mix proportioning of self-compacting normal and high-strength concretes. Magazine of Concrete Research 65 (9) , pp. 546-556. 10.1680/macr.12.00164

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Abstract

Over the last two decades, self-compacting concrete mixes of varying strengths and performance have been proportioned on a trial-and-error basis using time-consuming laboratory tests, such as the slump cone, J-ring and L-box tests. An alternative method has recently been proposed for proportioning self-compacting high-performance concrete and self-compacting ultra-high performance concrete mixes with and without steel fibres (with characteristic cube strength between 140 and 160 MPa). This method is based on an extensive investigation of the flow characteristics of such mixes using computational simulations, thus avoiding time-consuming laboratory tests. However, the mixes proportioned using this method contained no coarse aggregate, which has a significant effect on the flow characteristics. This paper extends the method to the proportioning of self-compacting concrete mixes that contain traditional coarse aggregate and whose characteristic cube strengths vary between 35 and 100 MPa.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	Thomas Telford
ISSN:	0024-9831
Last Modified:	25 Oct 2022 08:04
URI:	https://orca.cardiff.ac.uk/id/eprint/51322

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