“Computational Civil Engineering - "Intersections" International Journal

56 P. Alexa, H. Mociran, and A. MatheThe isolators are of elastomeric type and have been choosen from FIPINDUSTRIALE catalog according to the vertical reactions requirements [6].3. NUMERICAL RESULTS3.1 Case 1. Non-isolated rigid structurePlastic hinges form only at beams ends and column bottoms (Fig.6), while toplateral displacement (Fig.7) reaches 13.63 cm.geometrical axis of beamcolumn connectioncm.211539187120 sec.-12Seismic excitation4610 1272Figure 6. Plastic hinge formationFigure 7. Top lateral displacement3.2 Case 2. Isolated rigid structuregeometrical axis of beamcolumn connectionSmaller number of hinges (Fig.8) and largerdisplacements (Fig.9) appear.cm.58124317secSeismic excitation26-1872Figure 8. Plastic hinge formationFigure 9. Top lateral displacement