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20410061 GEOLOGIA PER IL RISCHIO SISMICO in Field and Natural Resources Geology LM-74 GALADINI Fabrizio
(syllabus)
- Definition of seismic risk; geology for seismic hazard, general aspects. - Active and capable faults: definitions related to the local geological framework; possible definitions of active and capable faults for the different tectonic domains of the italian territory; recent tectonic evolution of the italian territory and characterisation of active and capable faults; chronological framework of interest for the study of active and capable faults; applications in the engineering field: from high risk plants to the planning of the land use; geomorphological effects of surface faulting and the impact on the engineering works. - Quaternary geology, geomorphology and paleoseismology for the identification and characterisation of active and capable faults; geomorphological evidence of the recent fault activity: fault scarps; the displacements of quaternary units and their dating; geological methods to define the evolution of fault activity during the late Pleistocene-Holocene; concepts of recurrence time, elapsed time since the last activation, rate of movement; methods to identify evidence of historical displacements: archaeological information and historical seismology. - Definition of seismogenic source; from surface geological data to subsurface data: from the active fault to the seismogenic fault; case studies of integration of surface and subsurface data to define source geometries; definition of magnitude and source dimension; applications in the engineering field: seismic hazard assessment, shaking scenarios, damage scenarios. - Other geological aspects of interest for seismic risk: deep seated gravitational slope deformations, liquefactions and sinkholes; their geological and geomorphological characterisation; problems related to engineering works.
(reference books)
Various material provided by the teacher
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