Tillbaka

Renewal of wastewater pressure pipe Goldstein, Frankfurt

  • Specialised civil engineering
  • Eiffage Infra-Spezialtiefbau

Kund

Stadtentwässerung Frankfurt am Main

Projektvolym

1.0 million EUR

Byggtid

4 months

Microtunnelling with compressed air cushion for a protective pipe of a wastewater pressure pipeline

  • Microtunnelling DN 1600
  • AVN-D (automatic tunnelling machine wet - pressure cushion)
  • Use of the hydraulic joint, Jackcontrol system, in curve radius R = 200 m
  • Construction site in groundwater protection area directly next to the River Main
  • Underpassing the BAB 5 motorway
  • Difficult subsoil conditions: Sand, rapidly changing clay
  • Encountering wood and other unnatural obstacles