Building responses have become a major concern in design research. Passive control techniques are implemented to improve structure efficiency. The present research aims to assess the efficiency of base isolation system for a 2D frame and to enhance the performance of structures that are subjected to seismic ground excitations and ground vibrations induced by blast. https://www.ngetikin.com/mega-super-Men-s-Green-Beer-Button-Down-Shirt-great-price/