Roof Renovation for "Locanda alla Posta" in Venice, Italy

Structures Analysed with Dlubal Software

  • Customer project

Customer Project

In 2017 Scaldaferro, a Torrone manufacturer in Dolo (Venice) and owner of the historic building "Locanda alla Posta", contracted Ri-Legno S.r.l., a leading company in timber reconstruction, to deal with the building's 55.7 ft x 52.4 ft timber roof.

Investor Locanda alla Posta Srls
Via Cà Tron, 33
30031 Dolo, Italy
Structural Planning and Construction Ri-Legno Srl
Via della Cooperazione, 163-167
38123 Trento, Italy
Architectural Design Arch. Carlo dalla Pace

Model

The existing roof was severely deteriorated and decayed, and therefore, after a careful inspection, Ri-Legno decided to rebuild the roof from scratch and recreate the truss configuration according to the original construction.

Structural Design

The Ri-Legno planning office designed the structural framework using RFEM structural analysis software and the add-on modules RF-DYNAM Pro for evaluating the structure's dynamic behavior and RF-TIMBER Pro for the load-bearing timber member design.

The roof geometry took into account the existing construction scheme: Piedmontese timber roof trusses (orditura alla piemontese) and Italian roof trusses (capriata all'italiana). The roof trusses have a span of approximately 55.7 ft and include struts providing intermediate support to the rafters. The rafters running perpendicular to the ridge line support the roof covering with slab-like hollow clay bricks as well as monk and nun tiles.

The truss beam joints were reinforced with steel elements to prevent the movement of structural components. Additionally, special consideration was given to the structure's placement process by developing an ad hoc model in RFEM to estimate the roof's stress state during lifting.

A unique feature of this roof renovation is that the 2,906.2 ft² roof was completely constructed on the ground (to ensure that construction under the roof could continue during this time), then lifted and placed as a block on the existing vertical masonry structure.

Project Location

Via Cà Tron, 33
30031 Dolo, Italy

Keywords

Timber

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  • Updated 15 July 2021

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RFEM
RFEM

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
3,540.00 USD
RFEM
RF-/TIMBER Pro

Add-on Module

Timber design according to Eurocode 5, SIA 265 and/or DIN 1052

Price of First License
1,120.00 USD
RFEM

Add-on Module

Dynamic analysis of natural frequencies and mode shapes of member, surface, and solid models

Price of First License
1,030.00 USD
RFEM
RF -DYNAM Pro - Equivalent Loads

Add-on Module

Seismic and static load analysis using the multi-modal response spectrum analysis

Price of First License
760.00 USD