Valorisation des ressources minérales du Grand-Duché de Luxembourg dans les mélanges hydrauliques

Abstract : This study concerns the Luxembourg concrete s mineral resources valorisation in order to produce some new aggregates to make concretes. In a first time, an inventory of Luxembourg mineral resources able to supply aggregates for concrete, is established. Two mineral formations, Devonian sandstone and Muschelkalk dolomite, are selected to produce aggregates. They are checked in laboratory in accordance with normative methods. Then, we interest in economic concrete mixture proportioning, based on the software BetonlabPro2, with substitution aggregates and local cements. All the current concrete properties are checked in laboratory. At last, material durability (aggregates and concretes) is studied, first towards freezing and thawing and then towards alkali reaction (alkali silica and alkali carbonate). Some recommendations are proposed to use studied aggregates in concrete according to environments in Luxembourg.
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Karine Merriaux. Valorisation des ressources minérales du Grand-Duché de Luxembourg dans les mélanges hydrauliques. Sciences de la Terre. Université Henri Poincaré - Nancy 1, 2003. Français. ⟨NNT : 2003NAN10173⟩. ⟨tel-01754350⟩

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