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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Friday 29 March 2024

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Study of the Influence of sand nature on the macroscopic behavior of hydraulic concrete


Volume 29, Issue 4, July 2020, Pages 1136–1141

 Study of the Influence of sand nature on the macroscopic behavior of hydraulic concrete

Prince Momar Gueye1, Dame Keinde2, and Cheikh Mouhamadou Fadel Kebe3

1 Département de Génie Civil, Laboratoire de Matériaux de génie Civil (LMGC), Ecole Supérieure Polytechnique de Dakar, Université Cheikh Anta Diop, Dakar, Senegal
2 Département de Génie Civil, Laboratoire de Matériaux de génie Civil (LMGC), Ecole Supérieure Polytechnique de Dakar, Université Cheikh Anta Diop, Dakar, Senegal
3 Department of Civil Engineering, Hight School Polytechnic of Dakar, University Cheikh Anta Diop, Dakar, Senegal

Original language: English

Copyright © 2020 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The main object of this study is to optimize the use of crushed sand from basalt aggregates and sand dune in hydraulic concrete. In this sense, we have studied a series of tests, of partial and/or total substitution of sand dune by crushed basalt sand, with a W/C ratio (water/cement) of 0.49. The study consists to assess the rheological and mechanical properties of the concretes (C1, C2, C3, C4, C5, and C6) with respective substitution rates of (0%, 20%, 40%, 60%, 80% and 100%). The results are then compared and discussed. The best workability is given by sand dune concrete (C1). The mechanical resistance of C6 is superior to that of C1, on the other hand the workability of C1 is greater than that of C6. The mixes based on partially substituted aggregates give the best compressive strength performance compared to those based on fully substituted aggregates (C1 or C6). Maximum compression is obtained at 20%.

Author Keywords: Sand dune, Crushed sand, basalte and Substitution.


How to Cite this Article


Prince Momar Gueye, Dame Keinde, and Cheikh Mouhamadou Fadel Kebe, “Study of the Influence of sand nature on the macroscopic behavior of hydraulic concrete,” International Journal of Innovation and Applied Studies, vol. 29, no. 4, pp. 1136–1141, July 2020.