Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Compressive behaviour of dry joints in refractory ceramic masonry
Graphical abstract Display Omitted Highlights ► Dry joint closure in magnesia–carbon and magnesia–chromite refractory masonry. ► FEM models, direct optical and indirect compressive test in wide temperature range. ► Exponential joint closure curves due to non-parallelism of the joint faces. ► Joint closure displacements are reduced with increasing temperature. ► Direct relation between total joint displacement and average joint width.
Abstract To support optimisation of refractory masonry structures compressibility of dry joints of magnesia–carbon and magnesia–chromite bricks have been investigated. Laboratory scale tests 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 expansion.
Compressive behaviour of dry joints in refractory ceramic masonry
Graphical abstract Display Omitted Highlights ► Dry joint closure in magnesia–carbon and magnesia–chromite refractory masonry. ► FEM models, direct optical and indirect compressive test in wide temperature range. ► Exponential joint closure curves due to non-parallelism of the joint faces. ► Joint closure displacements are reduced with increasing temperature. ► Direct relation between total joint displacement and average joint width.
Abstract To support optimisation of refractory masonry structures compressibility of dry joints of magnesia–carbon and magnesia–chromite bricks have been investigated. Laboratory scale tests 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 expansion.
Compressive behaviour of dry joints in refractory ceramic masonry
Andreev, K. (Autor:in) / Sinnema, S. (Autor:in) / Rekik, A. (Autor:in) / Allaoui, S. (Autor:in) / Blond, E. (Autor:in) / Gasser, A. (Autor:in)
Construction and Building Materials ; 34 ; 402-408
25.02.2012
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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