Etude experimentale et statistique de l'influence de l'affaissement et de l'air occlus sur la résistance à la compression des bétons

Abstract : Companies in Algeria have restricted budgets devoted to the formulation of concrete. Therefore, very few research studies are interested by the concrete composition in accordance to its purpose. Hence, this work is a part of an approved research program assigned to clarify the impact of certain parameters on the quality of concrete. This experimental program consists of more than 700 cylindrical specimens of 16x32 cm that were made using local materials. Excluding the durability indicators towards the concrete, the compressive strength is the most significant property to be considered (Mounanga et al.,2006). The obtained results concern consistency and content airproperties of the concrete at fresh state and compressive strength of hardened concrete at 28 days. Thus, the influence of the air content percentage on the concrete consistency is studied. Moreover, the influence of these two parameters on the compressive strength of the hardened concrete is also presented. The experimental results obtained constitute a data bank, which allows comparing through a statistical analysis, the model established by Féret (Baron & Ollivier, 1996) and the results of the tests.
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S.M.A. Boukli Hacene, F. Ghomari, F. Schoefs, A. Khelidj. Etude experimentale et statistique de l'influence de l'affaissement et de l'air occlus sur la résistance à la compression des bétons. Journal Scientifique Libanais, 2009, 10 (2), pp.81-100. ⟨hal-00450356⟩

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