AL Tunnel Practice Questions - Alabama Tunnel Contractor Examination Exam

Why are elastomeric gaskets specified on precast tunnel segments?

To provide watertightness at the segment joints when the rings are bolted or expanded To replace annular grout behind the rings To increase the TBM cutterhead torque To mark the invert so surveyors can see the crown

Correct Answer:

To provide watertightness at the segment joints when the rings are bolted or expanded

Access more questions from this quiz

Continue to AL Tunnel Practice Questions - Alabama Tunnel Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions