75461 - STRUCTURAL STRENGTHENING AND REHABILITATION M

Conoscenze e abilità da conseguire

At the end of the class, student has knowledge of of available techniques and their application for strengthening or upgrading existing structural systems, with special emphasis on historical structures. In particular, at the end of the course he/she is able to assess materials and structural deficiency using field test or analytical methods, as well as to identify the suitable materials and techniques to strengthening and upgrading of gravity load-designed buildings for earthquake load resistance.

Contenuti

Historical masonries - quality , testing, strength - Damage scenarios after L'Aquila earthquake.

Definition of the state of damage and identification of the causes - Damage scenarios after Emilia earthquake.

How to acquire knowledge of the building - Examples - seismic safety assessment of Historic buildings

LV1 methods for seismic safety assessment (Resisto method) - examples of application and local collapse mechanisms - Homework

General criteria for intervention on masonry structures - use of steel ties - techniques for repairing cracks - techniques for improvement of wall strength reinforced injections – hoops - reticolatus

Rehabilitation of timber structures - techniques for integration with other metal or wooden structures - techniques prosthesis beam elements

Confinement of masonry columns - improvements of connections between masonry walls and floor structures.

Use of composite materials for strengthening: materials (FRP, FRCM), techniques, criteria and applications, safety verifications - other advanced technologies - consolidation of special masonry structures, vaults and domes, towers (prestressed cables)

Use of wooden floor diaphragms for seismic strengthening in masonry structures - consolidation of the foundations, rehabilitation with micro piles, soil consolidation - use of consolidating injections.

Testi/Bibliografia

• Course slides and notes
• Videos of recorded classes

Metodi didattici

The course content will be entirely covered by lectures. The instructor and a tutor will follow the students for the preparation of the homework. The instructor will supervise students during all activities.

Modalità di verifica e valutazione dell'apprendimento

• A homework concerning a vulnerability assessment of a masonry building;
• A presentation (10 minutes) of a personal research of a topic suggested by the instructor;
• An oral exam.

Strumenti a supporto della didattica

The teaching tools are overhead projector, projector and PC.

Orario di ricevimento

Consulta il sito web di Marco Savoia

Consulta il sito web di Michele Palermo