Next Generation of Hybrid TBMs for Mixed Ground

The use of hybrid TBMs in a mixed and unpredictable underground environment is increasing. This report concentrates on the advances achieved by hybrid TBMs, focusing on what is likely the most common type: A cross between a hard rock single shield TBM and an EPB.

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Issue 03/2013

Next Generation of Hybrid TBMs for Mixed Ground

In a mixed and unpredictable underground environment the increasing use of hybrid TBMs is one that goes with the territory. Where multiple machine types might have once been used for different...

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Issue 08/2009 EPB Technology

EPB Technology opens up the soft ground Tunnelling Range

EPB design and assembly are governed by multiple variables, no matter the machine diameter – a sentiment that rings true for a large Robbins EPB TBM currently being assembled at Mexico City’s new...

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Issue 04/2013 EPB Cutters

The Next Revolution in EPB Cutters – New Cutter Designs make an Impression in Mixed Ground

Six TBMs including three Robbins EPBs are tackling on this project in the underground of Mexico. The emergency project is needed urgently to prevent potential flooding of Mexico City’s wastewater...

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Issue 08/2014 China?/?Malaysia

Klang Valley MRT Project: Breakthrough of CREG EPB TBMs

Designed and manufactured by China Railway Engineering Equipment Group Co., Ltd. (CREG), the Tunnel Boring Machines (TBMs) CR-51 and CR-50 have successfully completed two 2814 m long tunnels in Kuala...

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Issue 07/2014

To Access the Coal: Unique TBM tackles Decline Drives

The TBM would develop both drifts, contributing positively to stability, safety, and schedule. The tunnels, however, called for a highly unique Dual Mode EPB/Rock TBM design, and a machine that could...

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