Effects of dry joints on compressive behaviour of refractory linings

Kirill Andreev (1) , Sido Sinnema (2) , Amna Rekik (3) , Eric Blond (3) , Alain Gasser (4)

1 Tata Steel
2 Tata Steel Europe, RD&T, Ceramic Research Centre, IJmuiden
3 PRISME - Laboratoire Pluridisciplinaire de Recherche en Ingénierie des Systèmes, Mécanique et Energétique
4 F2ME

To support optimisation of refractory masonry structures compressibility of dry joints of magnesia-carbon and magnesia-chromite bricks have been investigated. Laboratory scale tests, field measurements and finite element modelling have been performed. Measurements done in wide temperature range have shown that the exponential form of the joint closure curve results from gradual closure of initially non parallel surfaces. The stress needed to close the joint was found to be proportional to the material stiffness. Temperature influences the joint closure by changing the stiffness of material and by reducing the initial joint gap due to thermal dilatation.

Domaines: Matériaux et structures en mécanique [physics.class-ph]; Matériaux et structures en mécanique [physics.class-ph]

Kirill Andreev, Sido Sinnema, Amna Rekik, Eric Blond, Alain Gasser. Effects of dry joints on compressive behaviour of refractory linings. UNITECR'11, Oct 2011, Kyoto, Japan. pp.CD-ROM. ⟨hal-00651539⟩