Sydney Metro Milestone: It's been 11 months since we last saw 'Nancy' the tunnel boring machine that drilled into the earth in Marrickville.
She was warmly welcomed to Martin Place this morning after an 11 kilometre dig.
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In this fourth and final installment, the Mexican government takes ownership of the Herrenknecht drilling machines. But first the machines have to prove that they are up for the job.And engineers on both sides are involved lively discussions about...
Robbins Crossover TBMs are the adaptable solution to the world’s most challenging tunnel projects. This video explains how Robbins Crossover XREs, a hybrid of Hard Rock and EPB TBMs, work and why they are the solution for mixed ground tunnels...