Timber Footbridge over the Serio River in Bergamo, Italy

Structures Analyzed with Dlubal Software

  • Customer Project

Customer Project

Due to the deterioration of some timber footbridges on the pedestrian and cycle path of the Seriana Valley in the province of Bergamo, Italy, it was necessary to refurbish them with more durable materials. Therefore, the mountain community of the Seriana Valley commissioned Studio Rota Nodari of Alzano Lombardo to design and manage the works for the replacement of the bridge over the Serio river between the municipalities of Cene and Gazzaniga, Italy.

Investor Comunità Montana Valle Seriana
Via D.Alighieri, 1
24023 Clusone (BG)
Structural Design Studio Rota Nodari
Via M.Zanchi, 85
24022 Alazano Lombardo (BG)
Construction Works Cosmet di Fantoni Srl
Via S.Lucio, 37/16
24023 Clusone (BG)

Model Parameters

Model

Work Description

The structure is a double-span bridge of the 3rd category, with a pile in the riverbed and a total span of 69 mt, achieved by using painted steel box girders, and a deck made of recycled plastic material (WPC).

The design of the footbridge involved a prior analysis of the existing reinforced concrete structures by means of non-invasive instrumentation using the calibrated spring sclerometer and ultrasound according to the SonReb methodology, as well as a cover meter. The structural analysis and design based on the original design documentation has shown that the strength values are compatible with the actions transmitted by the new structure; therefore, the reinforcement of the supporting structures was not necessary.

The Cosmet SrL company was in charge of the construction works, the disassembly and disposal of the timber footbridge, as well as the assembly of the new structure. To optimize the transportation costs and reduce the assembly time (within two weeks), the structure is composed of the elements with a maximum length of 14 meters, assembled on site by using bolted joints.

Project Location

Serio river
between Cene and Cazzaniga

Keywords

Bridge Timber footbridge Bolted joints

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  • Updated 06/10/2022

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