1 Assistant Professor, Department of Civil, Environmental and Architectural Engineering, University of Padova, Italy. francesca.daporto@unipd.it,
2 Ph.D., Department of Civil, Environmental and Architectural Engineering, University of Padova, Italy giovanni.guidi@dicea.unipd.it,
3 Ph.D., Department of Civil, Environmental and Architectural Engineering, University of Padova, Italy massimo.dallabenetta@dicea.unipd.it,
4 MSc, Department of Civil, Environmental and Architectural Engineering, University of Padova, Italy nicolo.verlato@dicea.unipd.it.
ABSTRACT
This work presents experimental test results obtained on clay unit masonry infill walls for framed structures. The main aim of the tests is characterizing the out-of-plane behaviour of infill walls made with different types of masonry, under various levels of damage caused by in-plane deformation of the frame. Tests were carried out on one-bay, real scale reinforced concrete frames, by imposing in-plane cyclic displacements at the frame top beam until reaching pre-determined drift levels. Afterwards, the infill walls were tested out-of-plane, according to a non-standard procedure, which has been already adopted in the literature.
The results of seven tested frames are presented and discussed. One frame is a reference bare RC structure, without any infill wall. Four frames have thick (300 mm) clay unit masonry infill walls. Two of these specimens are made of unreinforced masonry, the other two are made of reinforced masonry, having both horizontal and vertical reinforcement. The remaining two frames have thin (120 mm) clay unit masonry infill walls with plaster layer, one of them is strengthened by means of a special quadriaxial net made by hybrid glass fibres, that is casted in an extra fibre-reinforced plaster layer.
In this work, the detailed analysis of experimental data is presented.
KEYWORDS: clay masonry infill walls, combined in-plane/out-of-plane behaviour, experimental tests
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