Engineering analysis and design software
Bridge design and engineering

Case Study

Ponte della Musica

  • Steel arch pedestrian bridge
  • Natural frequency and forced vibration analysis
  • Nonlinear bucking analysis of arches and section design

In 2000 an international design competition was organised by the Comune di Roma (the Municipality of Rome) for a new pedestrian bridge to cross the River Tiber, the first dedicated large scale pedestrian bridge to be built over the river since Roman times. The proposal by Buro Happold and Powell-William Architects was awarded first prize and the bridge was subsequently developed to tender design status by Buro Happold with the aid of LUSAS Bridge analysis software.

Overview

The winning design comprises two leaning steel arches supporting a steel deck. The total length of the bridge is approximately 200m, with a clear span of 130m between arch springing points. The springing points, in concrete, incorporate staircases providing access from the river bank up to deck level. The deck itself is designed for pedestrian usage but with provision for future incorporation of a tramway. The bridge is seen to be a key part of the Rome city plan and will connect the various cultural and sporting facilities of the Flaminio district with the Olympic stadium and other sports facilities on the west bank in Monte Mario. Following the design competition the client appointed the winning team, assisted by local firm, C. Lotti e Associati, to develop the design to tender status. Final detailed design was undertaken by the contractor, Constra.

Analysis

Davood Liaghat, Bridge Team Leader at Buro Happold said: ‘In addition to using LUSAS for dynamic analysis of the structure; for both natural frequency and forced vibration, we also used it to perform nonlinear bucking analysis of the two large arches as well as for the design of sections using output derived under static load combinations, for both trams and buses, and also for large crowd loading.'

Ponte Della Musica during construction.

‘In addition to using LUSAS for dynamic analysis of the structure; for both natural frequency and forced vibration, we also used it to perform nonlinear bucking analysis of the two large arches as well as for the design of sections using output derived under static load combinations, for both trams and buses, and also for large crowd loading.'

Davood Liaghat, Bridge Team Leader at Buro Happold 


Shortlisted for the Institution of Structural Engineers Structural Awards 2012: Award for Highway or Railway Bridge Structures for excellence in the structural design of bridges carrying highways and/or railways.

 

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