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Ground freezing for the construction of four cross-passages - Ismāilia road tunnel

Ismāilia road tunnel

Ground freezing to create four cross-passages

Client

Bauer Group

Location

Under the Suez Canal in Ismāilia, Egypt

Execution period

April 2018

until February 2019

Wall with freezing bodies
Ismāilia road tunnel - icing work
Miners in a tunnel
Ismāilia road tunnel

Project details

Scope of work

Technical data at a glance

  • Tunnel diameter 11.30 m clear diameter per tunnel tube
  • Tunnel length 2x4,380 m
  • Length of the cross-passages 12.60 m
  • Depth of the tunnel tubes 35-70 m
  • Freezers used: 4x100 kW active and 2x94 kW as standby
  • Freezer tubes: 40-50 pieces/crosscut
  • Temperature measuring tubes 6 pieces/crosscut

Special features

Soil conditions: Deep and shallow clay, sandstone medium to very dense sand

Download

Ismalia road tunnel project sheet

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