Numerical study on the nonlinear thermomechanical behaviour of refractory masonry with dry joints

Refractory masonry with dry joints is widely employed as a protective lining in industrial applications requiring high-temperature treatments. The thermal and mechanical behaviour of alumina spinel refractory investigated for wide range loading conditions at ambient high temperature up to 1500 °C within the framework ATHOR project. This paper discusses different numerical analysis approaches simulation experimental results. Micro macro modelling show good agreement large scale uniaxial biaxial compression tests unloading temperature. Simulations carried out creep well relaxation agreement. results indicate ability these represent complex thermomechanical masonry. Both methods demonstrate an orthotropic highly nonlinear observed campaign. outcome, validated compatibility between micro approach that can be evaluate local global installations.