Chacao Bridge: how Trevi Chile adapted the construction process of the piles according to the extreme conditions


In the Chacao Bridge, the construction process of the piles carried out by Trevi Chile Spa, was adapted according to the soil/rock conditions of the site and the extreme working conditions of the Chacao Channel.

  • Initial phase of Ø3,000mm temporary casing installation
  • Pre-drilling using a Ø2,750mm auger
  • Permanent casing installation and driving to the final position
  • Removal of the Ø3,000mm temporary casing
  • Drilling down to design elevation with Ø2.500mm permanent casing
  • Installation of reinforced steel rebar cages
  • Concrete casting on pile
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