TBM IN SOFT GROUND
TBM IN SOFT GROUND TBM IN SOFT GROUND
Course in Tunnelling and Tunnel Boring MachineKurs w zakresie drążenia tuneli oraz maszyny drążącejSIMILARITIES OF DESIGNThe basic design of an EP TBM and a SPB TBM are quite similar.The overall appearance and many systems from one type are useddirectly on the other.These similarities include:Main structuresPropulsionTrailing gantry StructureSegment Erector and handling
Course in Tunnelling and Tunnel Boring MachineKurs w zakresie drążenia tuneli oraz maszyny drążącejEPB vs. SLURRYEPB TBM•Overall simpler system to learn,operate and maintain•Applicable to a wider range ofgrounds•Requires limited addition ofconditioning materials (lowerconsumption of additives – noslurry circuit)• Incase of face collapse amountof ground loss is limitedSLURRY TBM•Overall a more complicatedsystem (to learn, operate andmaintain)•Applicable to a restricted range ofgrounds•Requires extensive addition ofmaterials• In case of face collapse amount ofground loss is considerable
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Course in Tunnelling and Tunnel Boring MachineKurs w zakresie drążenia tuneli oraz maszyny drążącejSIMILARITIES OF DESIGNThe basic design of an EP <strong>TBM</strong> and a SPB <strong>TBM</strong> are quite similar.The overall appearance and many systems from one type are useddirectly on the other.These similarities include:Main structuresPropulsionTrailing gantry StructureSegment Erector and handling
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