The historical SS Filippo e Giacomo masonry arch bridge was built in 14th century and had undergone very complex vicissitudes related mainly to exceptional floods and was then subjected to many changes for repair, strengthening, retrofit, and enlargement works. The bridge, which is almost completely built with travertine blocks, has a total length of 146 m and follows a slightly curved path. Six arches, the main of which is semi-circular with span of 25 m and the others are lancet arches with span of about 8 m, support the carriageway that is about 8 m wide. The piers and abutments are founded on the bedrock and consequently some piers are deeply embedded in the sandy gravel deposit. A 3D numerical Finite Element Model has been developed integrating data available from the geometric survey and calibrating the mechanical parameters starting from experimental tests. The global seismic vulnerability of the bridge has been evaluated comparing the capacity curves of the bridge obtained by means a static nonlinear pushover analysis with the Italian Standard seismic demand.

Evaluation of Seismic Vulnerability of the Historical SS Filippo e Giacomo Masonry Arch Bridge in Ascoli Piceno (Italy) / Leoni, G.; Gara, F.; Morici, M.. - ELETTRONICO. - 200:(2021), pp. 613-622. (Intervento presentato al convegno 1st International Conference of the European Association on Quality Control of Bridges and Structures, EUROSTRUCT 2021 tenutosi a Padova, Italy nel 2021) [10.1007/978-3-030-91877-4_70].

Evaluation of Seismic Vulnerability of the Historical SS Filippo e Giacomo Masonry Arch Bridge in Ascoli Piceno (Italy)

Gara F.;
2021-01-01

Abstract

The historical SS Filippo e Giacomo masonry arch bridge was built in 14th century and had undergone very complex vicissitudes related mainly to exceptional floods and was then subjected to many changes for repair, strengthening, retrofit, and enlargement works. The bridge, which is almost completely built with travertine blocks, has a total length of 146 m and follows a slightly curved path. Six arches, the main of which is semi-circular with span of 25 m and the others are lancet arches with span of about 8 m, support the carriageway that is about 8 m wide. The piers and abutments are founded on the bedrock and consequently some piers are deeply embedded in the sandy gravel deposit. A 3D numerical Finite Element Model has been developed integrating data available from the geometric survey and calibrating the mechanical parameters starting from experimental tests. The global seismic vulnerability of the bridge has been evaluated comparing the capacity curves of the bridge obtained by means a static nonlinear pushover analysis with the Italian Standard seismic demand.
2021
Proceedings of the 1st International Conference of the European Association on Quality Control of Bridges and Structures, EUROSTRUCT 2021
978-3-030-91876-7
978-3-030-91877-4
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/300487
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