Università Roma Tre

MASONRY MECHANICS

Block structures
monolith
monolith – inclined plane – friction
masonry pier made of assembled stones
overturning and sliding
pier restrained on top: Round Temple in Rome
post and lintel systems
symmetric and asymmetric structures
fractured lintel
lintel on inclined abutments
flat-arch (Coulomb)

Arches
Leonardo
Collapse mechanisms of arches in 17th century: de La Hire, de Belidor, Mascheroni
medieval geometric rule
funicular polygon
three hinged arches: tradition in steel construction
theoretically strongest form of arches
parabolic arch
voussoir arch – thrust line - sideways thrust for arches of different shape
automatic analysis: ogive and barrel arches
limit analysis
automatic limit analysis of voussoir arches
Vaulted structures
Domes as membrane structures, dome with monolateral stress resistance (no-tension)
Geometry of vaults and domes
Simplified analysis of groined and domical vaults
Masonry
In plane and out-of-plane behavior of masonry walls
Testing of small scale masonry assemblages
Elastic no-tension model
Limit analysis of in plane and out-of-plane stone walls
testing of model walls
catalogue of historical masonry
The rule-of-art or rule-of-thumb in masonry

THE BUILDING
load bearing vertical walls
Corner connections
Horizontal structures and connections
Timber roof trusses

THE BUILDING IN URBAN FABRIC

SEISMIC VULNERABILITY
vulnerability, seismic hazard, seismic risk
historic earthquakes: Lisbon (1755), calabro-messinese earthquake (1783), Messina(1908)
L’Aquila (2009)
seismic catalogues
seismology and plate tectonics
macroseismic scales (MCS, EMS)
quantitative measures of earthquakes
vulnerability

CODES OF PRACTICE
Ortigia, Matera, Palermo, Western Ligury


STRUCTURAL CONSERVATION
Diagnosis of masonry fractures
Signs of foundation failure
Cracking and crushing in walls


BUILDING ART
Literature
Pini, Poleni, on the Duomo of Milan, Rondelet, Viollet Le Duc, Donghi, Vitruvio, Alberti, Milizia, Cavalieri San Bertolo
Reading from Pini

PRACTICE IN RESTORATION

CODES and GUIDE-LINES
Probabilistic treatment of uncertainty
Codified loads and seismic action
NTC
Guide-lines

TIMBER TRUSS ROOFS – WOODEN FLOORS

STRUCTURAL STEEL IN RESTAURATION
Elements and connections

STRUCTURAL PROBLEMS OF MONUMENTS
Examples

REFERENCES
S. Mastrodicasa, Dissesti statici delle strutture edilizie, Milano, 1974, Hoepli.
E. Benvenuto, La scienza delle costruzioni e il suo sviluppo storico, Firenze, 1981, Sansoni.
A. Giuffrè, La meccanica nell’architettura, Roma, 1986, NIS.
A. Giuffrè, Monumenti e terremoti, Roma, 1988, Multigrafica.
R. Di Stefano, Il consolidamento strutturale nel restauro architettonico, Napoli, 1990, ESI.
A. Giuffrè, Letture sulla Meccanica delle Murature Storiche, Roma, 1991, Kappa.
A cura di A. Giuffrè , Sicurezza e conservazione dei centri storici, Bari, 1993, Laterza.
S. Di Pasquale, L’arte del costruire, Venezia, 1996, Marsilio.
A cura di A. Giuffrè e Caterina Carocci, Codice di pratica per la sicurezza e la conservazione dei Sassi di Matera, 1997, La Bautta
R. Sparacio, La scienza e i tempi del costruire, UTET, 1999.
A. Giuffrè, Leggendo il libro delle antiche architetture, a cura di C. Carocci e C. Tocci, Roma, 2010, Gangemi Ed.
Atti dei convegni dell’Associazione per il recupero del costruito (ARCo)
G. Croci, Progettazione strutturale e consolidamento delle costruzioni,...

Testo delle lezioni nel sito FTP