_Is part of Al Sharafi Group of Companies a major player in the UAE’s multi-million dollar construction industry. With years of experience and proven track record in executing quality services, undoubtedly GTC is considered as the leading microtunneling company in UAE.
Replace or repair underground pipelines and utilities with The Crossing Group— North America's leaders in Horizontal Directional Drilling, Tunneling and Hydrovac.
Currently, tunnels are really expensive to dig, with some projects costing as much as $1 billion per mile. In order to make a tunnel network feasible, tunneling costs must be reduced by a factor of more than 10.
Elon Musk is taking his newest venture underground. The Tesla and SpaceX CEO revealed in April his plan for the Boring Company, a new venture that is exploring a way to cut tunneling costs in ...
ADVANCING THE TUNNELING INDUSTRY. During the first half of the 20th Century, in an endeavor to become one of the foremost tunnel and underground construction firms in the nation, Shea developed efficient, controlled blasting techniques, fine-tuned the performance of its rock drill machines, and advanced development in blasting agents and methods.
Bradshaw Construction Corporation is a leading contractor in the tunneling industry. With over five decades of experience, we've earned respect as technological innovators through the construction of highly difficult tunneling projects.
The Boring Company is currently building a demo tunnel in SpaceX's parking lot, but it would need permits from the city of Los Angeles to extend beyond the property line.
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EquipmentMine is a searchable database of new, used and surplus mining equipment and parts available for sale.
In siege warfare, tunnelling is a long-held tactic for breaching and breaking enemy defences.The Greek historian Polybius, in his Histories, described accounts of mining during Philip V of Macedon's siege of the town of Prinassos; there is also a graphic account of mining and counter-mining at the Roman siege of Ambracia.
KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.