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Tunnelling in abrasive soils
Pipe Jacking for Energy Transition: The federal working group for pipe jacking of received an own speech block at IRO 2013 in Oldenburg, Germany
Introduction to Pipe Jacking and Microtunnelling
Tim E. E. Becker and Pål Drevland Jakobsen present in fall 2012 a paper with the topic "Tunnelling in abrasive soils - review of a tunnel project in Germany"