Laos’ first TBM completes
Disassembly of the first ever TBM to be used in Laos is nearly complete following the November 2010 breakthrough of CMC di Ravenna’s 7.6m diameter Robbins Single Shield machine used to construct the 5.5km long headrace tunnel for the Theun Hinboun Expansion Project on the Nam Theun River. The machine broke through on November 21 […]
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