nhi headlines
the double shield hard rock tbm started in iran site
published：2016-01-11
recently,ntu062 double shield hard rock tbm provided by tbm company started in iran kani sib site.
this equipment is a double shield hard rock tbm, excavation diameter is 6.35 meters, equipment total length is 110 meters, total installed power is 3750 kw. the highest driving speed is up to 110 mm/min, more than 120 meters a day ultra-high driving ability,presently used in iran kani sib area water diversion project.
(tbm company)