Ground engineering work is underway on Denmark’s 142-meter-high Lighthouse 2.0 building. On completion, it will be the country’s tallest residential tower.
Overlooking the waterfront, the tower is located at Aarhus Ø, or Aarhus Docklands, a new quarter which has been constructed by the expansion of the harbor-front area close to the city center. Aarhus Ø features modern architecture separated by canals and seaside promenades. The Lighthouse 2.0 will be built among other developments, such as The Iceberg and Dokk1.
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Aarsleff Ground Engineering is installing drilled pile foundations, drilling 28 piles with a diameter of 2,000 millimeters and a total maximum length of 70 meters. They are the deepest bored piles to be executed in Denmark as production piles.
Ground conditions comprise a 10-to12-meter layer of sand followed by clay of high plasticity, typically found in coastal regions. This soil type tends to have problems due to its low strength, high compressibility and high level of volumetric changes.
The drilled pile foundations allow the structural load to be transferred to the subsoil which has deeper load-bearing soil stratum to prevent long-term settlement of the building.
The project is expected to complete in 2022.
For more on this story go to New Civil Engineer.