“Computational Civil Engineering - "Intersections" International Journal

“Computational Civil Engineering 2005”, International Symposium 573.3 Case 3. Non-isolated semirigid structureSemirigidity lead to middle span plastic hinges formation (Fig.10) andsmaller lateral dispacements (Fig.11).geometrical axis of beamcolumn connection198middle spanaxis181649cm91720 sec10153Seismic excitation6711 12Figure 11. Top lateral displacement3.4 Case 4. Isolated semirigid structure1314151272Figure 10. Plastic hinge formationPlastic hinges, appear, exclusively, in the semirigid beam columnconnection (Fig.12) , while top lateral displacement reaches 21.03 cm (Fig.13).geometrical axis of beamcolumn connectioncm.987120 sec3216542072Seismic excitationFigure 12. Plastic hinge formationFigure 13. Top lateral displacement