The impact of cement parameters on delayed ettringite formation

Alexandre Pavoine (1) , Xavier Brunetaud (2) , Loïc Divet (3)

1 Laboratoire Eco Matériaux
2 CRMD - Centre de Recherche sur la Matière Divisée
3 IFSTTAR/MAT - Département Matériaux

Delayed ettringite formation in concrete is likely to lead to swelling and cracking in structures which have undergone eartly age heating to a temperature of over 65°c. Application of a method that accelerates this process has made it possible to study the impact of cement properties on DEF.

Mots clés: ETTRINGITE; CIMENT; EXPANSION; PROPRIETE THERMIQUE; HAUTE TEMPERATURE; ALTERATION (GEN); BETON JEUNE

Domaines: Matériaux

Alexandre Pavoine, Xavier Brunetaud, Loïc Divet. The impact of cement parameters on delayed ettringite formation. Cement and Concrete Composites, 2012, 34 (4), pp. 521-528. ⟨10.1016/j.cemconcomp.2011.11.012⟩. ⟨hal-00853358⟩