Intermediate breakthrough at Letan
The 5.97 m (19.6 ft) Robbins TBM traversed fault zones, karst cavities, a coal seam, and more while achieving up to 40 m (130 ft) in one day.
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The 5.97 m (19.6 ft) Robbins TBM traversed fault zones, karst cavities, a... -
Contractor Guangdong No. 2 Hydropower Bureau Co., Ltd., the project owner,... -
The TBM bored through limestone rock, and installed a full range of ground...
