Sep 05, 2025
You should pick the best dual mode tunnel boring machine for your project. Make sure its features fit your engineering and project needs. The right TBM helps avoid many problems in tunnel and infrastructure work. Look at the table below. It shows what can happen if you choose the wrong TBM. You might have tunneling problems, less work done, ground problems, rock bursts, or more equipment damage.
Project Outcome
Description
Tunneling Difficulty
The ground can fall in easily. This happens with sandy soil and weak rock.
Reduced Construction Efficiency
Water leaks and gushes can slow down the work.
Ground Instability
The ground can fall or sink. This is worse in karst caves.
Risk of Rock Burst
Deep tunnels with lots of pressure can have sudden rock...
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