This thesis has as its object the study of the construction techniques of three decks of the stretch of the Bridge of Liberty in Venice from the stretch of the fort in Piazzale Roma. Initially, the topic is introduced through the history of its design and construction relative to the time and the context in which it was inserted. Subsequently, the deterioration of the supporting structures of the Bridge is reported in reference to the tests that were carried out by an appointed company. With these premises then, two types of analysis are carried out: a static linear and a dynamic non-linear one. The first concerns the static loads related to the weight of the structures and the variable ones from traffic according to the Guidelines for risk management in existing bridges, while the second deals with the issue of the seismic vulnerability of the structure. Then, the verifications are developed according to the current legislation. Finally restoration intervention have been proposed.
Questa tesi ha come oggetto lo studio di due impalcati del tratto del Ponte della Libertà di Venezia dal tratto del fortino a Piazzale Roma. Inizialmente essi vengono introdotti tramite l’analisi storica della loro progettazione e costruzione relativamente all’epoca e il contesto nel quale erano inserito. Successivamente vengono riportati i degradi delle strutture portanti dei due Ponti in riferimento alle prove che sono state eseguite. Vengono poi descritte le prove sui materiali effettuate e i risultati ottenuti ed elaborati tramite le Linee Guida. Con queste premesse poi, viene svolta l’analisi modale su entrambi gli impalcati. Infine, vengono sviluppate le verifiche secondo la normativa in modo da valutare gli interventi per il ripristino dei vari elementi quali travi, traversi, pilastri, pila e soletta.
Rilievo del degrado, analisi strutturale e individuazione degli interventi di miglioramento di una porzione del Ponte della Libertà
LOBORGO, CHIARA
2021/2022
Abstract
This thesis has as its object the study of the construction techniques of three decks of the stretch of the Bridge of Liberty in Venice from the stretch of the fort in Piazzale Roma. Initially, the topic is introduced through the history of its design and construction relative to the time and the context in which it was inserted. Subsequently, the deterioration of the supporting structures of the Bridge is reported in reference to the tests that were carried out by an appointed company. With these premises then, two types of analysis are carried out: a static linear and a dynamic non-linear one. The first concerns the static loads related to the weight of the structures and the variable ones from traffic according to the Guidelines for risk management in existing bridges, while the second deals with the issue of the seismic vulnerability of the structure. Then, the verifications are developed according to the current legislation. Finally restoration intervention have been proposed.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/37224