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PROCEEDINGS OF THE EIGHTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by: B.H.V. Topping, G. Montero and R. Montenegro
An Induced Tension Model for Masonry Structures
A. Mébarki1, Q.H. Bui1, R. Ami Saada1, P. Delmotte2 and L. Abdou1
1LaM, Laboratory of Mechanics, University of Marne-La-Vallée, France
A. Mébarki, Q.H. Bui, R. Ami Saada, P. Delmotte, L. Abdou, "An Induced Tension Model for Masonry Structures", in B.H.V. Topping, G. Montero, R. Montenegro, (Editors), "Proceedings of the Eighth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 82, 2006. doi:10.4203/ccp.83.82
Keywords: masonry, induced tension, joint mortar, probability, thin layer joint mortar, bearing capacity.
This paper deals with the bearing capacity of masonry walls under lateral loads. Four different series of experimental measures have been collected, representing a total number of twenty walls tested at the Scientific and Technical Center for Buildings (CSTB, France) . The constitutive materials of the walls and the geometrical features of the walls are:
An existing model [2,3,4,5], relying on the principle of wall failure by its diagonal in compression, has herein been applied and its results have been compared with the experimental values for the twenty available walls. The model for the compression diagonal provides results that range within the interval [0.52 up to 2.67] times the experimental bearing capacity of the masonry walls.
The authors have therefore developed a simplified model that assumes that the wall will fail by induced tension in the perpendicular direction of the diagonal of either the blocks or the walls. Compared to the experimental values collected in this paper, this simplified mechanical model provides theoretical bearing capacity values that are in good agreement with the observed values.
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