Shield Tunneling - Akkerman

Shield Tunneling

Shield Tunneling

Shield Tunneling

Excavator Boring Shields (EBSs), equipped with the EX-50 Excavator are suitable for 100 – 168-in. OD pipe jacking, and liner plate and ring-beam and lagging tunnel building applications. The EX-50 excavator is controlled with a joy stick and foot controls, and removes soil and obstacles at the face of the bore between the boring shield’s shelves. Soil is excavated with the EX-50 backhoe claw and transported by a belt or screw conveyor to a large capacity haul unit for removal from the launch shaft.

Case Studies

Digging Deeper – April 2022

A Deep Lake Tap Supplies Water To Enid, OK With continued urban expansion and recent droughts, the City of Enid, OK embarked on a major infrastructure project to ensure clean, safe water to their nearly 50,000 residents.  To reduce the demand on the region’s aquifers by 35%, as well as removing the lead-sealed joints from […]

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Tunneling