Ing - Civ (Mag.)(ord. 270) - LC (437) CIVIL ENGINEERING FOR RISK MITIGATION
054141 - GEO-ENGINEERING TECHNIQUES FOR UNSTABLE SLOPES
094814 - GEOLOGICAL AND PHOTOGRAPHICAL ASSESSMENT AND MONITORING
The course "Geological Assessmment and monitoring" is focuesed on the study of several aspects of engineering geology, starting from the detailed analysis of the physical model of a slope and proceeding to the stability analysis with the final purpose to define the geological risk and to propose several possible solutions. The main goal is to improve the geological knowledge and to merge results from different disciplines in order to solve a complex problem like slope stability. As a matter of fact the main objective of "Geological and Photogrammetric assessment and monitoring" course is to show how the photogrammetrical and geological techniques can be integrated to assess slope conditions and monitor movements. This integrated course may be chosen together with the course "Geophysical assessment and monitoring" as they are part of the module named "Geo-Engineering Techniques for Unstable slopes (GETUS)".
Risultati di apprendimento attesi
Knowledge and understanding
Basic theoretical knowledge of engineering geology: from physical model charatcterization to slope stability analysis.
Applying knowledge and understanding
After successfully taking the exam, the student is able to:
i) characterize and classify different slope movements, design a program of investigations, define the physical model of an unstable slope
ii) to integrate different sourced data
iii)to use the best techniques to collect relevant information and the relevant numerical and analytical approaches for specific case studies
After successfully taking the exam, the student has gained the ability to:
i)critically analyze the results and the related uncertainty
ii)evaluate the goodness of the integrated project, identifying the critical points for slope stability analysis
the exam consist on an oral tecnical presentation of a real case in which all the disciplines are used to solve a slope stability problem.Therefore, after the exam, the students are able to present to any audience the analysis of a geological risk connected with unstable slopes.
The course Geological Assessment and Monitoring is part of an integrated modulus Geo-Engineering Techniques for Unstable Slope. In this modulus, typical problems of geological risk assessment and site monitoring will be approached from a geological, geophysical and photogrammetic point of view.
Regarding Geological assessmentof a risk site, the main topics are:
Classification, investigations and analysis of landslide
Causes and mechanisms of slope processes
Reconstruction of physical model of the slope;
Threshold analysis for mass movements.
As far as Monitoring of a risk site is concerned, the main topics are:
Application of principles of geology in the evaluation of the phenomena to be monitored;
Reconstruction of dynamical model of the slope;
Landslide triggering mechanism evaluation
landslide analysis (numerical and analytical approaches)
During the course of GETUS (GeoEngineering Techniques for Unstable Slopes) the students will integrate the theoretical knowledge acquired during the classes with both experimental and field work. Experimental work will include the study of shallow landslides and their monitoring with innovative monitoring tools, carried out in the laboratory of Applied Geology in the Lecco campus. On the other hand, field work will cover the entire content of the module by executing a real stability analysis, using all the three aspects of the module – geological, geophysical and photogrammetric assessment.
Students will benefit by the multidisciplinary structure of the module devised to prepare them with practical knowledge and the opportunity to autonomously use instruments and process the acquired data.
Modalità di valutazione
The assessment of the module will be based on the creation of a critical report on the work carried out during the semester.
The final evaluation will consist of an oral presentation to be given in front of an interdisciplinary commission made up of the teachers of different modules involved in GETUS. The subject of this speach will be related to the real case studies afforded during the course. Students will be clustered in groups of maximum 5/6 people: each group will deal with different case studies, to be described in a detailed report. Students should demonstrate the knowledge of the adopted technique, as well as the ability to discuss the solutions implemented and the results obtained, according to the expertise acquired in the different courses of the modulus.
Raccolta slides del corsohttp://corsi.metid.polimi.it/Freeze R., GroundwaterHoek E., Bray J. W., Rock slope engineeringBell F., Engineering geology W. M. Telford, L. P. Geldart, R. E. Sheriff, Applied geophysics, Editore: Cambridge University Press
J. M. Reynolds, An introduction to applied and environmental geophysics, Editore: John Wiley & Sons
The Berkeley Course in Applied Geophysicshttp://appliedgeophysics.lbl.gov/Introduction to Geophysical Exploration - Colorado School of Mineshttp://galitzin.mines.edu/INTROGP/index.jspYilmaz O., Seismic data analysis, Editore: Society of Exploration Geophysicists
Kraus K., Photogrammetry: Geometry from Images and Laser Scans, Editore: Walter de Gruyter
Mikhail E.M., Bethel J., McGlone J.C., Introduction to Modern Photogrammetry, Editore: John Wiley & Sons
Luhmann T., Robson S., Kyle S., Harley I., Close Range Photogrammetry: Principles, Techniques and Applications, Editore: John Wiley & Sons
Vosselman G., Maas H.G., Airborne and Terrestrial Laser Scanning, Editore: Whittles Publishing
Schofield W., Engineering Surveying, Editore: Butterworth-Heinemann
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