Introduction. Fundamental concepts of engineering seismology. Cause of earthquakes, Recording of earthquakes, Seismometry, Seismic waves, Accelerograms. Elastic seismic response of single-degree-of-freedom systems. Equation of motion, Free vibrations with or without damping, Earthquake response. Response spectrum. Alternative ways of displaying spectra, Effects of foundation conditions on the seismic response. Inelastic response of single-degree-of-freedom systems. Ductility, Behaviour factor, Overstrength – Relations q-μ. Inelastic response spectrum. Design spectrum. Seismic design (force method). Effect of torsion on the seismic response. Torsional response of elastic SDOF systems. Seismic response of multi degree–of–freedom systems. Modal spectrum analysis. Simplified lateral force method of analysis. Basic concepts of the Greek Seismic Code and Eurocode 8. Seismic loads. Capacity design. Demonstration of the dynamic response of model structures.
- The Department