Publication

Sensitivity of masonry wall under base-restrained shrinkage

Author
G.P.A.G. van Zijl*, M. Boonpichetvong, J.G. Rots¹ (Faculty of Architecture, Delft University of Technology, Delft, The Netherlands) *also at University of Stellenbosch, South Africa ¹also at TNO Building and Construction Research, Rijswijk, The Netherlands J.W. Verkleij (Research Center for Calcium Silicate Industry, Hilversum, The Netherlands)

In this study, masonry strength and toughness sensitivity to the brick/block unit size is studied. Meso-analyses of masonry wall parts are performed to obtain macroscopic constitutive behaviour. Subsequently macro-analyses of base-restrained shrinking masonry walls are performed to study the sensitivity of the wall under this loading condition to the unit size. Computational models for masonry developed over the past decade and recently implemented in DIANA are employed for the analyses. The results reveal how these geometrical and material parameters affect masonry behaviour in terms of composite strength and toughness, as well as crack initiation and crack propagation.

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