Study of the mechanical characteristics and chemical degradation of concretes based on machining sludge

Study of the mechanical characteristics and chemical degradation of concretes based on machining sludge

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The main objective of this work is to study the mechanical characteristics and the chemical degradation of mortars and concretes made obtained by substituting the cement hp pavilion 15-eg1053cl by the machining sludge.Several materials were carried out by substituting the cement with different amount of machining sludge (5, 10, 15 and 20%).The obtained materials are compared to those without substitution (ie: 00wt% of machining sludge).Mechanical and physical properties of the two materials (mortars and concretes) as flexural and compressive 7gm pravana strengths were studied.Physical properties as shrinkage, the bloating effect, loss in mass, slump concretes and porosity were evaluated.

In addition, chemical degradation is studied for the conservation of these concretes and mortars from machining sludge in different aggressive environment.Moreover, the addition of 5wt% of the machining sludge in the mixture of the mortar and the concretes seems to be interesting.