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Appraisal of the Compressive Strength of Concrete Produced with Pit Sand and Gravel in Ilaro and Environ

Sunday Samuel Omopariola & Ramon Temitope Sekoni, Volume 2 Issue 1, July 2021 Pages 62-69, Published: 2021-07-24


There are different types of aggregates and they are obtained from different sources with variation in their properties. It is expected that this variation in types and sources will have a definite effect on the properties of concrete. This study is aimed at determining the compressive strength of concrete made with pit – sand and gravel. Pit sand obtained from six different sources were used to produce concrete cubes. The 7, 14, 21 and 28days compressive strength of the cubes were determined. Results obtained ranged between14.57N/mm2. and 19.50 N/mm2. These results are in the range of M15 to M20. Hence it is recommended that the use of concrete made with pit sand and gravel should be limited to structures where plain or ordinary concrete is required.