In December, 2013 a 4.3 m-diameter Robbins double shield TBM emerged triumphant after boring a 9.3 km-long headrace tunnel in Turkey’s Adana Province for the Yamanli II hydroelectric project. The hard rock TBM broke through on time, due to excellent advance rates and minimal downtime for the duration of the project. For further information read the press release and click tr/35 for tunnelbuilder archive. Visit www.robbinstbm.com. 05/14.
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