Abstract
Results of numerical studies on the in-plane shear capacity of full-scale unreinforced concrete block masonry walls, externally retrofitted by reinforced concrete layers, are presented. Tests are first performed on small-scale masonry walls, results of which are used to develop and calibrate numerical micro models for full-scale walls. Nonlinear pushover analyses are conducted to investigate the effects of a number of problem variables on the performance of the retrofitted walls. Numerical results reveal that wall boundary conditions affect its response considerably. Also, a significant enhancement in wall capacity and ductility is observed due to the application of the reinforced concrete layers.
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