The understanding of the seismic ground motion and the corresponding parameters, as well as the effects thereof on structural response. Determination of earthquake design parameters with deterministic and probabilistic models of the earthquake excitation.
|1||Introduction||Types and characteristic parameters of faults. Magnitude scales, relationships between magnitudes, empirical relationships between magnitude and fault characteristics.||1Χ4=4|
|2||Ground motion parameters||Networks and records of ground motion. Data bases and accelerograms. Parameters relating to the amplitude, duration, frequency and energy content of the records. Use of SEISMOSIGNAL software||1Χ4=4|
|3||Near field earthquakes||Directivity phenomenon. Directivity pulses and effects on the seismic response of structures.||1Χ4=4|
|4||Ground motion prediction models||Parameters and next generation ground motion prediction models: Boore-Atkinson, Chiou-Young, Cambell-Borzogna, Abrahamson-Silva. Attenuation laws for the region of Greece according to Theodoulidis, Skarladoudis, Ambraseys||2Χ4=8|
|5||Probabilistic analysis of earthquake hazard estimation||Guttenberg-Richter Law, Poisson distribution, Bounded Gutenberg-Richter recurrence Laws, Probability density function, Cumulative distribution function, Point, linear and surface sources. Seismic scenarios, regression analysis, estimation of average magnitude, distance and standard deviation.||3Χ4=12|
|6||Response spectrum||Conditional response spectrum with equal probability of exceedance. Code response spectra EC8, IBC etc.||1Χ4=4|
|7||Ground motion characteristics effects on structural response||Effects of characteristics of far field records (long duration) and near field records (directivity pulses) on the linear and non-linear response of single-degree-of-freedom oscillators.||1Χ4=4|
|8||Local soil conditions||Definitions, effect of local soil conditions on the ground motion, liquefaction.||1Χ4=4|
|9||Synthesis of time histories||Synthesis of artificial and semi-artificial accelerograms using the software SEISMOARTIF and SEISMOMATCH. Simulation of near field pulses, synthesis with high frequency spectral content, and synthesis of artificial near field records.||2Χ4=8|
After the successful completion of the course, students shall be able to:
|Teaching methods||Lectures, simple examples and problems, and case studies in the classroom.|
|Teaching media||Blackboard presentations and PowerPoints. Use of PC for Excel and relevant software.|
|Computer and software use||Problem solving in the classroom using SEISMOSIGNAL, SEISMOARTIF, SEISMOMATCH, Excel, or Matlab, under the supervision of the teaching staff|
|Problems - Applications||Yes|
Β.Κ.Παπαζάχος, Γ.Φ.Καρακαίσης και Π.Μ.Χατζηδημητρίου, (2005). Εισαγωγή στην Σεισμολογία, ΕκδόσειςΖήτη.
Κ.Δ.Πιτιλάκης, (2010). ΓεωτεχνικήΣεισμικήΜηχανική, ΕκδόσειςΖήτη.
Α.Τσελέντης (2016). ΓενικήΣεισμολογία, Liberal Books Publishing.