H. Derakhshan1, J.M. Ingham2 and M.C. Griffith3
- PhD student, Department of Civil & Environmental Engineering, University of Auckland, Auckland, New Zealand, hder004@aucklanduni.ac.nz
- Associate Professor, Department of Civil & Environmental Engineering, University of Auckland, Auckland, New Zealand, j.ingham@auckland.ac.nz
- Associate Professor, School of Civil, Environmental and Mining Engineering, University of Adelaide, Australia, mcgrif@civeng.adelaide.edu.au
ABSTRACT
Behaviour of full-scale unreinforced masonry (URM) walls subjected to out-of-plane uniform loads was investigated by testing three brick walls. Uniform loading was applied on the surface of the walls using a system of airbags. The walls, having a constant width of 1200 mm, had a height varying from 2000 mm to 4100 mm. The walls were two-leaf thick and had slenderness ratios of 9, 16 and 19. All of the tests were performed using simply supported boundary condition, and test specimens behaved as ideal one-way bending elements. Tri-linear forcedisplacement models were constructed based on the experimental curves recorded during the testing. It was found that the wall geometry and axial load influenced the shape of the models. General recommendations were made for tri-linear modelling of out-of-plane URM walls based on this finding.
KEYWORDS: out-of-plane, unreinforced masonry wall, force-displacement curve, tri-linear model, airbag testing
C8-4
