On Saturday, a tunnel boring machine (TBM) so large that it looks like something out of Thunderbirds was dedicated in the city of Seattle. “Bertha,” as it’s known, is the world’s largest TBM and will ...
The operations to save the lives of eight workers trapped inside the Srisailam Left Bank Canal (SLBC) Tunnel in Domalapenta in Telangana are progressing at a brisk pace and the mud near the accident ...
A mysterious object has blocked the world’s largest tunneling machine from finishing an underground highway in Seattle. The drilling machine know as Bertha – at five stories high and operated by a ...
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Engineers are still desperately trying to rescue the world's largest tunneling machine that is stuck under the city of Seattle. Bertha, a five story-high drilling machine that was custom-built to ...
JOHANNESBURG (miningweekly.com) – Two additional machines and the impact of favourable foreign-exchange movements have contributed to a 12.5% increase in JSE-listed drilling services provider Master ...
Boasting 1.8 million pounds of thrust and 272,236 pounds-per-foot of maximum torque, the new 84/96-1800 NG is the largest and most powerful auger boring machine on the market today, says manufacturer ...
Finnish radioactive waste management company Posiva Oy has completed the drilling of the first two deposition holes at the Onkalo underground used nuclear fuel repository near Olkiluoto using a new ...
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