Curved drives stress joints in micro tunneling pipelines by causing odd angles, bending, and pushing forces, increasing risk of joint failure.

A TBM machine curve may need special segment planning to ensure tunnel alignment, structural safety, and proper sealing during curved tunnel construction.

Small radius helps avoid shafts in urban micro tunneling by enabling flexible tunnel paths, reducing surface disruption and minimizing construction costs.

Curves can cause yaw drift on a TBM machine due to uneven forces, leading to misalignment and safety risks in tunnel construction projects.

Small radius can increase wear on a TBM tunnel drive by raising stress, friction, and cutter wear, leading to higher maintenance and alignment challenges.

Small radius can increase wear on a TBM tunnel drive due to higher friction and heat; extra lubrication helps reduce damage in tight micro tunneling curves.