TBM Foams for Soil Conditioning

Introduction into the world of the foaming agents for the conditioning of the ground in excavation with TBMs with short description for the different tests in the laboratory and in the TBMs.

Curriculum

• • Types of TBMs with foaming agents
  • Basic types of foaming agents
  • Foaming agents related to the geology
  • Advantages of the foaming agents
  • Main parameters to produce the foam

• Test in the Laboratory
  • Foam potential calculation

• Test in the TBM
  • Relevant parts of the TBM to use the foam
  • Foam in the TBM
  • Using the displays in the cabin

• Summary
  • Foam, best practices
  • Reference to other TBM technologies
  • Micro TBMs

• Knowledge Check