Shear reinforcement effect of reinforced concrete tie-columns on the lateral resistance of confined masonry walls |
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| Authors: | Samir Bouhedja Abdelkrim Bourzam Ahmed Boukhaled Ammar Nechnech |
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| Institution: | 1.Laboratory of Environment, Water, Geomechanics and Structures (LEEGO),University of Sciences and Technology, Houari Boumediene (USTHB), Faculty of Civil Engineering,El Alia, Bab Ezzouar, Algiers,Algeria;2.Laboratory of Built Environment Research (LBE),University of Sciences and Technology, Houari Boumediene (USTHB), Faculty of Civil Engineering,El Alia, Bab Ezzouar, Algiers,Algeria |
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| Abstract: | Tie-columns improve significantly the lateral resistance of masonry bearing walls against persistent, transient and accidental loads. The research work described herein has been carried out to assess the lateral resistance of confined masonry walls, where contribution of the masonry panel is evaluated according to material mechanics and tie-columns effect is estimated by a proposed analytical formulation based on a model reported on previously. This approach takes into account the effect of dowel support on the reaction of its adjacent shear reinforcement: the conditions for the various contributions of transverse reinforcements are better defined following a clear evaluation of the participation ratio of these reinforcements. Lateral resistances of confined masonry walls measured in full-scale tests and gleaned from the literature are compared and checked with resistances calculated using the present approach. |
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