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Effect of Coarse Aggregate Gradings on Some Properties of No-Fines Concrete | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 1, Volume 15, Issue 3, 2007, Pages 1-8 PDF (0 K) | ||
| DOI: 10.33899/rengj.2007.45058 | ||
| Authors | ||
| Hassan E. Al-Khatib; Khalid A. Zakaria | ||
| Abstract | ||
| The present work deals with the effect of graded coarse aggregates on some properties of no-fines concrete. Seven mixes of no-fines concrete having (1-6) (cement - coarse aggregate by weight) and (50-60%) flow were tried with different gradation of aggregates (first three were single sized, the remaining four were graded aggregate with different maximum aggregate size). The main parameters investigated were the compressive strength, flexural strength, dry density (unitweight) and thermal conductivity. The results showed that the use of graded aggregates as compared to single size resulted in an increase in both compressive and flexural strength in the order of (56% and 21%) respectively and a lesser increase of dry density and thermal conductivity in the order of (3% and 8%) respectively. Keywords: No-Fines Concrete, Aggregate Gradings, Maximum Aggregate Size. | ||
| Keywords | ||
| KEYWORDS; Fines Concrete; Aggregate Gradings; Maximum Aggregate Size | ||
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