Experimental in situ behaviour of unreinforced masonry elements retrofitted by pre-tensioned stainless steel ribbons

•Rubble masonry strengthened by three-dimensional pre-tensioned stainless steel ribbons.•In situ full-scale tests on masonry panels and an arch-wall in Messina earthquake prone area.•Discussion of the results that validate the retrofitting method.•The retrofitting method produces a noticeable increm...

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