Nowadays structural engineers, facing critical infrastructure design, must consider severe dynamic load conditions, which reproduce natural actions like strong earthquakes or man-made actions like blast or impact. This research project is centered on the study of a highway reinforced concrete arch bridge, located in southern Italy. The objective is to carry out a complete assessment of the structure under high dynamic loads, validated by in situ test. For this reason a dynamic characterization of materials was performed, through high strain-rate failure tests. A wide range of strain-rate was investigated (from 10-4 s-1 to 10s-1 for the concrete and from 10-4 s-1 to 600 s-1 for the reinforcing steel) and the result will be used to build dynamic models of the bridge that will be analyzed under different extreme loads.
High strain-rate testing analysis of concrete and steel for the assessment of the Tenza Bridge under blast loading / Cadoni, E.; Asprone, Domenico; Prota, Andrea. - STAMPA. - (2007), pp. 627-635. (Intervento presentato al convegno 6th International Conference on Fracture Mechanics of Concrete and Concrete Structures tenutosi a Catania nel 17-22 giugno 2007).
High strain-rate testing analysis of concrete and steel for the assessment of the Tenza Bridge under blast loading
Asprone, Domenico;PROTA, ANDREA
2007
Abstract
Nowadays structural engineers, facing critical infrastructure design, must consider severe dynamic load conditions, which reproduce natural actions like strong earthquakes or man-made actions like blast or impact. This research project is centered on the study of a highway reinforced concrete arch bridge, located in southern Italy. The objective is to carry out a complete assessment of the structure under high dynamic loads, validated by in situ test. For this reason a dynamic characterization of materials was performed, through high strain-rate failure tests. A wide range of strain-rate was investigated (from 10-4 s-1 to 10s-1 for the concrete and from 10-4 s-1 to 600 s-1 for the reinforcing steel) and the result will be used to build dynamic models of the bridge that will be analyzed under different extreme loads.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.