Effect of the marble fineness on the rheological characteristics of concrete
| Autor: | Messaoudene, I, Mebarkia, R, Atia, M, Molez, Laurent |
|---|---|
| Přispěvatelé: | Laboratoire de Génie Civil et Génie Mécanique (LGCGM), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
[PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph]
yield stress [SPI.GCIV.CD]Engineering Sciences [physics]/Civil Engineering/Construction durable viscosity [SPI.GCIV.MAT]Engineering Sciences [physics]/Civil Engineering/Matériaux composites et construction Rheology strength marble powder |
| Zdroj: | Algerian Journal of Environmental Science and Technology Algerian Journal of Environmental Science and Technology, Université de Boumerdes, 2021 Algerian Journal of Environmental Science and Technology, 2022 |
| ISSN: | 2437-1114 2478-0030 |
| Popis: | International audience; The objective of this experimental work is to study the effect of the marble fineness on the rheological behavior of ordinary concrete at fresh and hardened states. Five (5) types of concrete were made: a control concrete with cement CEMI/42.5 and four other concretes where CEMI cement was partially replaced by marble powder at the rate of 5% and 10% with two Blaine finesses: 2400cm 2 /g and 7000cm 2 /g. The rheological parameters of the concrete were measured using the ICAR rheometer and the compressive and flexural strengths were determined on 10x10x10cm 3 cubic specimens and on 7x7x28cm 3 prisms, respectively at different times (3, 7, 28 and 60 days). The results obtained showed that the optimum in marble powder should be equal to 5% and without a high grinding (2400cm 2 /g); the concrete retains its rheological characteristics at fresh state and its mechanical properties at hardened state. For a replacement rate of 10% and a fineness of 7000cm 2 /g, the yield stress of the concrete increases considerably, although the mechanical strengths are important. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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