Uetliberg tunnel, Gänziloo

Permanently anchored bored pile wall for the preliminary section of Gänziloo, Uetliberg tunnel, east portal of the N 4.1.5.

  • Subsoil: Uetliberg clay/moraine
  • Machinery:  BG 22 pile boring machine, KR 806 anchor boring machine
  • Term of contract:  December 2000 to January 2002

Map

Divisions performance

Bored piles/pretensioned anchors

Specific figures

Bored piles

37 units, ø 900 mm at 25 m

Permanent anchors

313 units at 32-44 m

Bored beams HEB 300

7 units, ø 800 mm, length 9-15 m

Temporary anchors, K2

66 units at 22-37 m