Teachings

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Professor
ANTONELLO SANNA (Tit.)
ANTONIO MARIA CAZZANI
Period
Second Semester 
Teaching style
Convenzionale 
Lingua Insegnamento
 



Informazioni aggiuntive

Course Curriculum CFU Length(h)
[80/72]  ARCHITECTURE [72/20 - Ord. 2012]  RESTORATION 8 100

Objectives

The Technical Architecture part aims to develop a specific expertise regarding analysis and intervention on the architectural and urban heritage, with particular reference to the "pre-industrial" one.
In particular, students will acquire a good knowledge concerning the technological, morphological and construction characteristics (and materials) of pre-industrial architecture, as an apparatus of knowledge and experiences aimed intervention.
Module goal is to put students in conditions to know "how is made" in detail a certain historic architecture, to know "how to choose" the most appropriate intervention techniques. During the lessons will be offered a structured framework of traditional building techniques, with national and international examples, but with specific focus on the regional architecture (buildings both "urban" and "rural").
Overall, the module will provide specific expertise in the recovery of building heritage in historic center and regions.
The Statics part provides the basic correct methods for studying the structural behaviour of historical buildings.
Models are presented which are able to describe the response of masonry both to service loading and to limit conditions. They provide useful hints when preservation plans or static rehabilitation issues have to be dealt with.
The analysis of test cases which will be presented in the training sessions and personal detailed study of some issues will help students to understand and face the complexity of real-world problems dealing with historical buildings.

Prerequisites

For the Technical Architecture part it is necessary to have a basic knowledge of architectural technologies about masonry and wood constructions.
For the Statics part a working knowledge of structural issues like those presented in a standard sophomore class of Structural Mechanics/Strength of Materials is required. If necessary, attending the class of "Statica e Scienza delle costruzioni" of the three-years programme in "Scienze dell'Architettura" would help students in filling the gap.

Contents

Technical Architecture part.
The course aims at providing knowledge about existing buildings in order to undertake a reuse project through development of knowledge regarding three main topics:
1. Knowledge tools
1.1 Knowledge of historic buildings (history of techniques and technologies)
- the study of historic buildings and the relations with the design and construction cultures and with the processes that produced and modified those buildings;
- the acknowledgment of historical and cultural values of pre-modern and modern buildings, in order to address the reuse project;
1.2 study of the technical architectural features of the existing buildings (historic and traditional, modern)
- analysis of the architectural features of the historic and modern existing buildings; study of the construction techniques- history of techniques
2. rules for reuse
2.1 Guidelines, Textbooks
- rules for reuse: Restoration textbooks, Technical solutions inventories, regulations for checking the project and the maintenance intervention, with regard to existing buildings features;
2.2 reuse
- problems with reuse and redesign related to historic and typological features during the restoration process: methods for the identification of new functions, compatibility analyses and influences on the context
3. reuse technologies and materials
3.1 preservation of architectural heritage and materials
- preservation and reuse of buildings and pre-modern techniques, with regard to the peculiarities of pre-modern architecture and to the natural and local materials (stone, earth, bricks, wood...) and, also, to the problems incident to original techniques and ongoing technologies and material;
- preservation and reuse of the architectural heritage and techniques, in regard to physic, technological, functional and prescriptive obsolescence that buildings present because of time and different usage;
3.2. Elements of Sustainability and energy efficiency in reuse
- how to apply energy sustainability to the existing buildings with remarkable values (pre-modern and modern)

Statics part.
1. Fundamentals of graphical methods for Statics.
2. Mechanical behaviour of masonry as a mixture of mortar and bricks/stone blocks.
3. Masonry walls: in service behaviour and limit analysis.
4. Buckling of slender structures: the case of the masonry pier.
5. Masonry arch as a curved beam: limit analysis and graphical methods for assessing its resistance.
6. Masonry vaults: membrane theory and its application to barrel vaults subjected to vertical loading. Graphical methods for cross and cloister vaults.
7. Masonry domes: applications of the membrane theory of thin shells of revolution.
8. Seismic behaviour of masonry buildings.
9. Settlements-induced damage in masonry.
10. Experimental methods for characterizing mechanical properties of masonry.
11. Rehabilitation of masonry buildings with timber-supported slabs and roofs; use of steel tendons.

Teaching Methods

The form of Technical Architecture will be developed through a professionalizing methodology, a learning by doing applied to the historical center of Cagliari as a "laboratory of knowledge and project". Theory lessons (about 35% of the module) will alternate on the field inspections, surveys and demonstrations also in the works and case studies by experts (40%) while the remaining hours (25%) will be devoted to development of Laboratory.

The Static module will be developed mainly through lectures, with any seminars held by qualified experts.

Verification of learning

The final exam will be an oral test and will be the same for both modules. The final mark will be based also (up to 30%) on the exercises or other papers elaborated by students individually or in a small group.

Texts

For the Technical Architecture part::
Augè Marc, Rovine e macerie. Il senso del tempo, Bollati Boringhieri, Torino, 2004.
Caterina Gabriella, Tecnologia del recupero edilizio, Torino, Utet, 1989.
Di Battista Valerio, Ambiente costruito. Un secondo paradigma, Firenze, Alinea, 2006.
Di Battista Valerio, L’approccio tecnologico, in RECUPERARE, Edilizia Design Impianti, n. 6, 1983.
Galliani Gianni V., ed altri, Dizionario degli elementi costruttivi, Torino, UTET, 2001.
Galliani Gianni V., Tecnologia del costruire, Firenze, Alinea, 2002.
Ortu Giangiacomo, Sanna Antonello, Manuali del Recupero dei Centri storici della Sardegna. Atlante delle culture costruttive, Roma, Dei, 2009.
Poretti Sergio, Modernismi italiani, architettura e costruzione nel Novecento, Roma, Gangemi, 2008.

For the Statics part:
M. Como, Statica delle costruzioni storiche in muratura, Aracne: Roma, 2010.
M. Como, Statics of Historic Masonry Constructions, Springer: Berlino, 2013.
R. S. Olivito, Statica e Stabilità delle Costruzioni Murarie, Pitagora: Bologna, 2003.
R. Pozzi, La Statica grafica in architettura – Equilibrio e forma degli archi, Progetto Leonardo: Bologna, 1991.
I.V. Carbone, A. Fiore, G. Pistone, Le costruzioni in muratura, Hoepli: Milano, 2001.
A.W.Hendry, P.B. Sinha, S.R. Davies Progetto di strutture in muratura (2° ed.) Pitagora: Bologna, 2002.
J. Heyman, The stone skeleton,CUP: Cambridge, 1995.

More Information

Practice exercises for both modules: Static analysis, in agreement with the instructors, of construction systems and structural masonry elements of Cagliari’s historic buildings
For the Statics part:
Copy of the classroom presentations and some extra material for individual study will be available (in PDF format) on the instructor's website: http://people.unica.it/antoniocazzani/

Questionnaire and social

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