TBM IN SOFT GROUND
TBM IN SOFT GROUND
TBM IN SOFT GROUND
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FOAM: PROPERTIESProperties of foaming:plasticshort term cohesionlower angle of frictionlower permeabilityDifferent foams have different:foaming capacitystabilityCourse in Tunnelling and Tunnel Boring MachineKurs w zakresie drążenia tuneli oraz maszyny drążącejAnti-clay capacityAdvantages of foaming in softsoil:reduction of friction angle ofsoilshort term cohesion of soilplasticity and lowerpermeability of soillower wearlower torqueshort term stabilistation of facelower cloggingsoil structuringrheological impact (liquefaction / stiffening)drying-up capacity
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