ArticleEmerging TechEnergyEnvironmentalProjectsTransportationTunnel BoringWaterWorkforce

Material-handling innovations and challenges

By William Gleason, Editor

When a major tunneling project commences in an urban area there is often a great deal of attention paid to the tunnel boring machine (TBM) that will be used to create the tunnel. These massive machines capture the attention of the general public and naming competitions are a great way to engage the public in a positive manner. What gets much less attention but is of great importance is what happens to the material that is removed from the earth by the TBM to create the tunnel.

According to Shane Yanagisawa, principal at Osprey Engineers, muck removal and disposal is one of the more mundane but difficult tasks with every tunnel project no matter the size or end use of the tunnel. Advancements in conveyor-belt technology, such as retractable-belt technology, and ...

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