• 8,761  m long trunk road with three lanes
  • Viaduct  of 1,020 m, variable width of 14-21 m
  • Viaduct  of 176 m, variable width, tightened with direct foundations
  • 148,500  M3 of structural concrete
  • 13  overpasses - 5 underpasses - 9 retaining walls of different types
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Grupo Moyua,www.moyua.com

SECOND RINGROAD DONOSTIA STRETCH: URUMEA INTERCHANGE - INTERCHANGE A-8

Location

Renteria. Guipuzcoa. Spain.

Budget

€164,969,701.83

Project deadline

36 months

Client

Bidegi

Name

Second ringroad Donostia Stretch: Urumea Interchange - Interchange A-8 in Renteria.

Main Details 8,761 Ml length of trunk road with a three lane type section of 3.50 metres each, external hard shoulders of 2.50 metres and internal hard shoulders of 1.50 metres and two main interchanges  of 8 and 7 roads - Viaduct of 1,020 metres, width 14-21 metres, light-weight concrete bevelled with piled foundations - Viaduct of 176 metres, variable width, tightened with direct foundations - Viaduct of 80 metres, width 11.50 metres, of light-weight concrete and constant edging with direct foundations - Viaduct of 86 metres, width 11.95 metres, of light-weight concrete and constant edging with piled foundations - Viaduct of 60 metres, variable width, of light-weight concrete and constant edging with deep foundations - A triple road tunnel,  3.50 metres per lane, 419 metres with a vertical clearance of 5.50 metres - A triple road tunnel with 3.50 metres per lane, 380 metres long  with a vertical clearance of 5.50 metres - A false tunnel of 193 metres, 12 metres wide  and  a vertical clearance of 5.50 metres - Thirteen overpasses - Five underpasses - Nine retaining walls  of different types.
Technical Specifications

3,998,586 M3 of non-classified excavation - 30,211,461 M3 of embankment or causeway - 1,136,911 M3 of excavation into rock with blasting  - 15,937 TN of corrugated B500 steel in structures - 1,843 TN of special prestressing steel - 148,500 M3 of structural concrete - 118,200 TN of HBM.

 



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