Title Bridge Constructions Degree Corso di Laurea Magistrale in Ingegneria Civile (DM 270/04) Second Level Degree in Civil Engineering (DM 270/04) Teacher: Otello Bergamo Year 1 Teaching Period 2 Credits 6 Academic year: 2014/15 Objectives: Reinforced concrete, pre-stressed concrete and composite steel-concrete bridges. Finite element modelling of bridges. Design of piers, abutments and foundations. Structural bearings, expansion joints and anti-seismic devices. Bridges retrofitting. Acquired skills: The students will be able to design reinforced concrete, pre-stressed concrete and composite steel-concrete bridges. The students will also be able to design retrofitting of existing bridges. Lectures and exercises Topics hours Specific contents Introduction Objectives and program of the course, references. 2 Road bridges Types of road bridges. The elements of a road bridge. Organization of roadbed. Road bridge loads according to Italian D.M. 14.01.2008. Pre-design of the structural elements. Serviceability and ultimate limit state verifications. Seismic verifications. Local verification and construction detailing. 6 Railway bridges Types of railway bridges. The elements of a railway bridge. Organization of railway. Railway bridge loads according to Italian D.M. 14.01.2008. Pre-design of the structural elements. Serviceability and ultimate limit state verifications. Seismic verifications. Local verification and construction detailing. 6 Analysis of bridge deck Theory of influence lines. Analysis of beam grids and orthotropic plates by the Engesser-Courbon method and by the Massonnet-Bares method. 4 Design of composite steel-concrete bridge deck Types of composite steel-concrete bridge decks. Pre-design methods. Serviceability and ultimate limit state design and verifications. Construction detailing. 4 Design of bridge abutments and piers Types of bridge abutments and piers. Actions on bridge abutments and piers. Serviceability and ultimate limit state design and verifications. 4 Design of bridge foundation Types of bridge foundations. Actions on foundation. Geotechnical aspects. Foundation piles. Construction detailing. 4 Structural bearings, expansion joints and anti-seismic devices Types of structural bearings. Types of expansion joints. Types of anti-seismic devices. Construction detailing. Pre-design methods. 4 Introduction to finite element method Introduction to finite element method. Modelling of composite steel-concrete bridges. 4 Bridge retrofitting Existing bridges rehabilitation. A case study. 4 Exercises Design of a composite steel-concrete bridge deck. Design of a concrete slab. Design of a bridge abutment. Pre-design of anti-seismic devices. Finite element modelling of a composite steel-concrete bridge. 10 Total hours for lectures and exercises 52 for exercises only 10 Further educational activities hours Labs Tutorials / Seminars 4 Workshops Guided tours 4 1 Total hours for further educational activities Total hours 60 Type of exam: Written and oral References: • M. P. Petrangeli, “Progettazione e costruzione di ponti”, Masson Editore, Milano, 1997 • P. Matildi, M. Mele, “Impalcati a piastra ortotropa ed in sistema misto acciaio – calcestruzzo”, Collana tecnico scientifica per la progettazione di strutture in acciaio, Tamburini Editore, Milano, 1972 • F. De Miranda, “Ponti a struttura d’acciaio”, Collana tecnico scientifica per la progettazione di strutture in acciaio, Tamburini Editore, Milano, 1972 • F. De Miranda, “I ponti strallati di grande luce”, Edizioni scientifiche A. Cremonese, Roma, 1980 • A. Raithel, “Costruzioni di ponti”, Liguori Editore, Napoli, 1977 • M. Cavalieri, A. Cavalieri, “Ponti”, Dario Flaccovio Editore, Palermo, 2008 • M. Arici, E. Siviero, “Nuovi orientamenti per la progettazione di ponti e viadotti”, Dario Flaccovio Editore, Taormina, 2008 • C. Modena, P. Franchetti, C. Pellegrino, O. Bergamo, “Linee guida per la progettazione e l’esecuzione di ponti a travata”, 2003 • C. Modena, P. Franchetti, M. Grendene, “Linee guida per la progettazione e l’esecuzione di ponti in zona sismica, 2004 • G. Ballio, C. Bernuzzi, “Progettare costruzioni in acciaio”, Hoepli, Milano, 2004 • E. Giangreco, “Teoria e tecnica delle costruzioni, Liguori Editore, Napoli, 2003 • T. Paulay, M.J.N. Priestly, “Seismic design of reinforced concrete and masonry buildings”, John Wiley and Sons, 1992 2