Since its inception last year, Penn Hyperloop has been seeking official recognition from the Engineering School as an ...

HAMPTON, Va. — On April 17, Mary the Tunnel Boring Machine emerged through the headwall at the Hampton end of the HRBT. Exactly six months later, she's starting her next journey: creating the ...

Mary, the tunnel-boring machine, is on the move again! Thursday, Mary began boring a twin eastbound tunnel in part with the Hampton Roads Bridge-Tunnel Expansion Project. Watch: First of 4 ...

Transformer 11KV to 400V 3 phase 1400KVA , type HOHB 1400A 0648T06001 J.Schneider Elektrotechnik Rated secondary current 2021A Dry.

A Jordan construction company is utilizing tunnel boring equipment constructed by Akkerman, Inc. in Brownsdale in an uncommon ...

A tunnel boring machine can excavate tunnels using a circular cross-section that drills through soil and rock strata, seamlessly laying concrete segments to construct tunnels, subway tubes ...

China's self-developed tunnel boring machine with the biggest diameter was rolled off the production line on Thursday. The machine, with a maximum excavation diameter of 16.64 meters, was produced in ...