Geophysics in urban areas
Academic Year 2022/2023 - Teacher:
Sebastiano IMPOSA
Expected Learning Outcomes
Ability to evaluate and manage the selection of appropriate indirect survey methodologies to be adopted in urban areas. Ability to acquire and interpret geophysical prospecting data. Understanding and appropriate use of English language terminologies. Ability to use statistical techniques aimed at seismic hazard assessment. Ability to evaluate local seismic response using experimental and theoretical methods.
In addition, verification of learning may also be conducted electronically should conditions require it,
Course Structure
21 hours (3CFU) of frontal lessons
36 hours (3CFU) of field and laboratory activities
Should the teaching be delivered in a blended or distance learning mode, necessary variations from what has been stated above may be introduced in order to comply with the syllabus provided and given in the syllabus
Required Prerequisites
Knowledge of Physics 1st and 2nd ; course. Earth physics
Attendance of Lessons
required
Detailed Course Content
Seismic Risk and Seismic Hazard, Building Vulnerability, Exposure, System Vulnerability. - Seismic Hazard Assessment: deterministic approach, probabilistic approach. - Probabilistic hazard estimation (historical determinism, historical probabilism, seismotectonic probabilism, non-poissonian probabilism, seismic prediction). - Statistics and Stochastic Processes applied to seismic hazard assessment. Design Earthquake Evaluation Criteria. - Seismic microzonation, hazard scenarios, local geology and ground condition assessment. - Nonlinear and dissipative behavior of soils, Ideal and actual seismic response of a soil. - Effects due to heterogeneity, presence of geometric and topographic irregularities, presence of tectonic structures and cavities. - Local response assessment: Analytical methods and Simplified methods. - Medvedev's Method, Dynamic Amplification Factor D.A.F., Microtremors, Nakamura Technique, Spectral Ratios (HSSR, HVSR, H/Href), Modeling. Examples of macro and micro seismic zonation. - Exercise on techniques for sampling and processing seismic signals. - Exercise on use of EERA, DEEPSOIL programs for local response modeling. - Differences between Field Geophysics and Geophysics of Urban Areas and related issues. Geophysical methodologies that can be used in urban areas for characterizing the properties of the soils present. Traditional and innovative geophysical methodologies. Invasive and non-invasive techniques. - Recalls of mechanical and electromagnetic properties of soils. - Fields of applicability, limitations and potential of the main geophysical methodologies that can be used in urban areas. - Seismic methods: Cross-hole test, Down-hole test, Seismic cone, Suspension logging test, Reflection and Refraction seismic, methodologies, MASW, H/V, Seismic tomography, Refraction Microtremor analysis. - Exercise on MASW and Refraction Microtremor prospecting.
Textbook Information
M Modellazione del sottosuolo con la geofisica applicata alle onde di superficie – Faustino Cetraro – editore EPC;
2. Manuale pratico di risposta sismica locale – Luca Nori e Paolo Di Marcantonio – editore EPC;
3. Manuale di Geofisica di Campagna – Carmelo Gaudiosi – editore Stampe a contatto-
4. Geofisica applicata. Con particolare riferimento alle prospezioni sismiche, elettriche, elettromagnetiche e geotermiche. M. Corrao e G. Coco, 2021 - Flaccovio Dario editore
| Author | Title | Publisher | Year | ISBN |
|---|
| Faustino Cetraro | Modellazione del sottosuolo con la geofisica applicata alle onde di
superficie | EPC | 2014 | |
| Luca Nori e Paolo Di Marcantonio | Manuale pratico di risposta sismica locale | EPC | 2014 | |
| M. Corrao e G. Coco | Geofisica applicata. Con particolare riferimento alle prospezioni
sismiche, elettriche, elettromagnetiche e geotermiche | Flaccovio Dario editore | 2021 | |
| Carmelo Gaudiosi | Manuale di Geofisica di Campagna | Stampeacontatto- | 2014 | 8890970308 |
Course Planning
| | Subjects | Text References |
|---|
| 1 | Introduction to the course and importance of Geophysics of Urban Areas. | |
| 2 | HVSR and HSSR Surveys | |
| 3 | MASW surveys | |
| 4 | ReMi Surveys | |
| 5 | Hazard and seismic risk | |
| 6 | Local seismic response | |
Learning Assessment
Learning Assessment Procedures
oral examination
Examples of frequently asked questions and / or exercises
- Local Seismic Response
- HVSR and HSSR surveys
- Nakamura Tecnique
- Masw methodology
- ReMi Methodology
