Le béton Autoplaçant

Le béton Autoplaçant

Taha Hocine Douara

118,13 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
ISBN:
9786208822699
118,13 €
IVA incluido
Disponible

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La composition du béton autoplaçant (BAP) est spécifique, notamment par sa forte teneur en sable par rapport aux granulats. Toute variation dans la nature ou la qualité du sable influence ses propriétés rhéologiques, mécaniques et sa durabilité. En raison de sa richesse en pâte, de son faible rapport eau/liant et de l’absence d’eau de ressuage, le BAP est très sensible au séchage superficiel, ce qui peut provoquer des fissures précoces ou la formation de croûtes. Ainsi, le choix du régime de durcissement est crucial pour préserver ses performances. Le sable alluvionnaire, couramment utilisé dans le béton, voit ses ressources s’épuiser. Il devient donc nécessaire d’envisager des alternatives telles que le sable de carrière et le sable de dune, disponibles en plus grande quantité. Ce livre propose une synthèse des recherches menées sur l’influence de la nature et du dosage des différents sables sur les propriétés physiques, mécaniques et la durabilité du BAP. Il présente également une revue des effets des régimes de durcissement sur les performances mécaniques, en mettant l’accent sur les spécificités du BAP.

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