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Strengthening of Bricchetto Railway Tunnel

Works - Works

Strengthening of Bricchetto Railway Tunnel

Client:

RFI S.p.A. – Italian Railway Infrastructure

Sector:

Works
Railways Works

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  • Description
  • Technical datasheet
Planning and execution of works urgently required to strengthen the cladding of the Bricchetto railway tunnel.

MAIN WORKS:

Works concerned the planning and execution of the urgent works for the strengthening and consolidation of the cladding of the Bricchetto tunnel at “km. 94+769 along the Asti – Acqui line, regarding the mouth and the section included between caches 6 and 7 following several damages detected during extraordinary inspections of the lines carried on 26 Nov. 2013, 28 Nov. 2013 and 03 Dec. 2013.

In detail:

- Consolidation and restoration of the masonry at the mouth of the tunnel and on the wing walls through the injection of chemical mixtures
- Continuous radial riveting with GFRP bars
- Consolidation of tunnel railing by injection of chemical mixtures
- Demolition and cutting of vertical surfaces
- Installation of passive tie-rods
- Milling of masonry and installation of recessed steel ribs
- Execution of sprayed concrete
- Execution of drainage system with the laying of micro-slotted pipes for drainage
- Monitoring
- Casting of the tunnel invert
State Completato
Start Date 26/05/2014
End Date 22/09/2014
Client RFI S.p.A. – Rete Ferroviaria Italiana Direzione Territoriale Produzione Torino Reparto Tecnico Gestione Lavori
Planning Company Alpina S.p.A.
Country ITALY, IT
Contract Planning and execution of works urgently required to strengthen the cladding of the Bricchetto railway tunnel
Work Type SOA “OG4”

Description

Planning and execution of works urgently required to strengthen the cladding of the Bricchetto railway tunnel.

MAIN WORKS:

Works concerned the planning and execution of the urgent works for the strengthening and consolidation of the cladding of the Bricchetto tunnel at “km. 94+769 along the Asti – Acqui line, regarding the mouth and the section included between caches 6 and 7 following several damages detected during extraordinary inspections of the lines carried on 26 Nov. 2013, 28 Nov. 2013 and 03 Dec. 2013.

In detail:

- Consolidation and restoration of the masonry at the mouth of the tunnel and on the wing walls through the injection of chemical mixtures
- Continuous radial riveting with GFRP bars
- Consolidation of tunnel railing by injection of chemical mixtures
- Demolition and cutting of vertical surfaces
- Installation of passive tie-rods
- Milling of masonry and installation of recessed steel ribs
- Execution of sprayed concrete
- Execution of drainage system with the laying of micro-slotted pipes for drainage
- Monitoring
- Casting of the tunnel invert

Technical datasheet

State Completato
Start Date 26/05/2014
End Date 22/09/2014
Client RFI S.p.A. – Rete Ferroviaria Italiana Direzione Territoriale Produzione Torino Reparto Tecnico Gestione Lavori
Planning Company Alpina S.p.A.
Country ITALY, IT
Contract Planning and execution of works urgently required to strengthen the cladding of the Bricchetto railway tunnel
Work Type SOA “OG4”

Note

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Impresa Luigi Notari is a public company limited by shares (S.p.A.) since 1986 and holds the following certificates: UNI EN ISO 9001:2015, BS OHSAS 18001:2007 and UNI EN ISO 14001:2015 issued by ICMQ

CONTACT DETAILS
VIA FELICE CASATI, 44
20124 Milan - ITALY
PHONE: 02.66.71.29.23 r.a.
FAX: 02.66.90.925
impresa.luiginotari@impresaluiginotari.com

© 2019 IMPRESA LUIGI NOTARI spa - PIVA: 08099180153

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