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Sestriere, Italy

Grange and Inverso viaducts

Design of steel decks, piers and abutments for the new line of the national road SS23 of Sestriere, between San Germano and Perosa Argentina.

Category: Road Bridges
Activity: Final detailed design
Period:January 2004 – September 2004
Client:Seteco Engineering s.r.l. PAC s.p.a.
Value:13.985.000,00 (Category IX b) 3.136.580,58 (Category I g)

Composite steel concrete road viaducts with continuous beam static scheme of:

  • 11+12 spans (span length of about 40 m) and total length 920 m for Viadotto Grange
  • 10+11 spans (span length of about 40 and 60 m) and total length of 860 m for Viadotto Inverso.

Transversal section is 14.60m-wide with a carriageway 10.6m-wide and 2.05m-wide curbs.

Composite steel concrete road viaducts with continuous beam static scheme of:

  • 11+12 spans (span length of about 40 m) and total length 920 m for Viadotto Grange
  • 10+11 spans (span length of about 40 and 60 m) and total length of 860 m for Viadotto Inverso.

Transversal section is 14.60m-wide with a carriageway 10.6m-wide and 2.05m-wide curbs.

The viaducts are seismically insulated and lay on circular piles and traditional abutments. The foundations are deep.

The viaducts are seismically insulated and lay on circular piles and traditional abutments. The foundations are deep.