Pounding through nearly 5 mi. of bedrock over three years, MamaJo, the Tunnel Boring Machine (TBM) manufactured by Herrenknecht successfully breaks through.
https://www.constructionequipmentguide.com/mamajo-breaks-through-on-deep-rock-tunnel-project/53383
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.constructionequipmentguide.com/mamajo-breaks-through-on-deep-rock-tunnel-project/53383
MamaJo Breaks Through On Deep Rock Tunnel Project : CEG
www.constructionequipmentguide.comPounding through nearly 5 mi. of bedrock over three years, MamaJo, the Tunnel Boring Machine (TBM), called it a day June 30, 2021. Mayor Tom Henry joined dozens of neighborhood leaders, tunnel and utility workers, and city council members to...