1. bookVolume 115 (2018): Issue 7 (July 2018)
Journal Details
License
Format
Journal
eISSN
2353-737X
First Published
20 May 2020
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1 time per year
Languages
English
access type Open Access

Comparative Analysis of the Coarse Aggregate Shapes used to Manufacturing High Performance Self-Compacting Concrete

Published Online: 21 May 2020
Volume & Issue: Volume 115 (2018) - Issue 7 (July 2018)
Page range: 75 - 86
Received: 09 Jul 2018
Journal Details
License
Format
Journal
eISSN
2353-737X
First Published
20 May 2020
Publication timeframe
1 time per year
Languages
English
Abstract

The influence of the shape of coarse aggregate on the properties of fresh concrete mixes, and the strength of high-performance self-compacting concrete (HPSCC) is important issue. In this study, irregular and regular grains were separated from the basalt, porphyry and granite coarse aggregate. The shape of these grains was determining using digital image analysis and was in accordance with the European Standard [19]. The aspect ratio (AR) and roundness (R) were ascertained in order to highlight the differences in the coarse aggregate shape used the design HPSCC. The study indicates that using the same crushing system, varied parameters of the shape of coarse aggregates were obtained. It was determined that the best fitting distribution for aspect ratio and roundness at a 95% confidence level is the generalised extreme value distribution.

Keywords

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