• 1,700  ml length of the trunk road division
  • Demolition  of the viaduct and construction of the underpass
  • Open  air channelling of the adjoining irrigation channel
  • 445,000  m3 of clearing excavations
  • 440,000  m3 of embankment
  • Reinforced  concrete protection and retaining walls
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Grupo Moyua,www.moyua.com

BYPASS CONSTRUCTION OF THE GANTXURIZKETA N-I

Location

Irún. Guipuzcoa. Spain.

Budget

€18,467,294.00

Project deadline

15 months

Client

Provincial Council of Gipuzkoa - Bidegi

Name

Bypass construction of the Gantxurizketa N-I, Phase 1: Alto de Gantxurizketa - Ventas

Main Details

1.700 ml length of the trunk road division + initial and final sections of the main interchange - Wall anchored by 16 metre tall counterforts - 2 walls of reinforced concrete for protection and containment - 3 reinforced earth walls to retain embankments - section with two lanes of 3.50 metres with external hard shoulders of 1.50 metres and a central reservation of 4 metres - Open air channelling of the adjoining irrigation channel - Demolition of the viaduct and construction of an underpass with a 26 metre long reinforced concrete framework.

Technical Specifications

445,000 m3 of clearing excavations - 440,000 m3 of embankment - 60,000 m3 of quarry - 260 ml of channelling of irrigation channels with piping 2.50 metres in diameter and 82 metres driven - Underpass framework of reinforced concrete 52 metres long - Pontoon over the irrigation channel system with a panel of prefabricated prestressed beams of 11 metre span, 5 metre width and an edge panel of 0.50 edgeways - Irrigation channel intersection by means of a prefabricated reinforced concrete box-girder of 5.5 x 3.75 metres and 12 metres long -  29,477 Tn G-20 type bituminous mix - 21,741 Tn S-20 type bituminous mix - 11,159 Ml active pin d=32 - 516 Tn of B-600 type corrugated steel as framework - 18,927 m2 SC-40 type fabricated cement central flooring - 2,085 m2 acoustic screen of metallic panels.
 



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