Boring is used for various applications in geology, agriculture, hydrology, civil engineering, and mineral exploration.Today, most earth drilling serves one of the following purposes:
China Communications Construction Company, Ltd. (CCCC) is a publicly-traded, multinational engineering and construction company primarily engaged in the design, construction and operation of infrastructure assets, including highways, bridges, tunnels, railways (especially high-speed rail), subways, airports, and marine ports.
Underground mining. When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered.
RETC is proud to present more than 21 technical sessions featuring the leading practitioners in the tunneling industry from across the U.S. The primary focus of the technical program is to add value to the industry through examination of the most innovative practices and products currently in use.
Solving a problem a customer experienced when drilling in abrasive rock conditions has led to a groundbreaking new design for drill bits. The resulting Sandvik top centre drill bits, which incorporate the largest upgrade to face drilling bits in decades, are now available as standard products in three sizes.
A Tesla Model S drives through a Boring Co. test tunnel in Hawthorne, California.The Boring Company
Photo of United States Air Force tunnel boring machine at Little Skull Mountain, Nevada, USA, December 1982. There are many rumors of secret military tunnels in the United States.
China's space agency says all systems are go for its spacecraft and rover that have made a pioneering landing on the far side of the moon
Drainage Services Department Technical Papers. Year: Title: Division: ID: 2017: DSD Commissioned Hong Kong's Largest Solar Farm: Electrical and Mechanical Projects Division
Most comments are mistakenly assuming that the thought experiment proposes drilling into the magma. No, the idea is to drill only near enough cool the magma, which, cooled, becomes earth’s crust ...
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.