Parametric dynamic analysis of a masonry wall with lintels of reinforced concrete over the openingsParametric dynamic analysis of a masonry wall with lintels of reinforced concrete over the openings Πλήρης Δημοσίευση σε Συνέδριο Conference Full Paper 2015-10-142007enIn order to study the unilateral contact effects (i.e. separation, sliding) between the lintels of reinforced concrete over the openings and the masonry wall, a parametric nonlinear dynamic analysis was done. The nonlinear behaviour of the masonry is modelled by means of appropriately modified elastoplastic laws. Different values of the friction coefficient, various designs forthe roof and the horizontal plates at the first floor and various earthquakes are considered. From the analysis it is shown that the influence of this reinforcement on the dynamic response of masonry structures depends on many parameters like the magnitude of the ground motion and the friction coefficient of the interface between the lintels and the masonry. The positive effects of contact mechanisms can be reduced in case of a strong motion where topical relief in parallel with stress concentration to other places appearhttp://creativecommons.org/licenses/by/4.0/Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Stavroulaki Maria Σταυρουλακη Μαρια Liarakos Evaggelos Λιαρακος Ευαγγελος Applied mechanics Engineering, Mechanical mechanics applied applied mechanics engineering mechanical Aseismic design Seismic design earthquake resistant design aseismic design seismic design