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Akkerman Inc. is a construction equipment manufacturer producing microtunneling, guided boring, pipe jacking, and trenchless products. [1]
Akkerman was founded in 1973, is based in Brownsdale, Minnesota, [1] [2] and as of 2013 [update] employed approximately 60. [3]
Akkerman develops tunnel boring equipment that can excavate tunnels up to 14 feet in diameter. [4]
The Channel Tunnel, also known as the Chunnel, is a 50.46-kilometre (31.35 mi) underwater railway tunnel that connects Folkestone with Coquelles beneath the English Channel at the Strait of Dover. It is the only fixed link between the island of Great Britain and the European mainland. At its lowest point, it is 75 metres (246 ft) below the sea bed and 115 metres (377 ft) below sea level. At 37.9 kilometres (23.5 mi), it has the longest underwater section of any tunnel in the world and is the third-longest railway tunnel in the world. The speed limit for trains through the tunnel is 160 kilometres per hour (99 mph). The tunnel is owned and operated by the company Getlink, formerly "Groupe Eurotunnel".
Kawasaki Heavy Industries Ltd. (KHI) is a Japanese public multinational corporation manufacturer of motorcycles, engines, heavy equipment, aerospace and defense equipment, rolling stock and ships, headquartered in Chūō, Kobe and Minato, Tokyo, Japan. It is also active in the production of industrial robots, gas turbines, pumps, boilers and other industrial products. The company is named after its founder, Shōzō Kawasaki. KHI is known as one of the three major heavy industrial manufacturers of Japan, alongside Mitsubishi Heavy Industries and IHI. Prior to the Second World War, KHI was part of the Kobe Kawasaki zaibatsu, which included Kawasaki Steel and Kawasaki Kisen. After the conflict, KHI became part of the DKB Group (keiretsu).
Focus are a Dutch progressive rock band formed in Amsterdam in 1969 by keyboardist, vocalist, and flautist Thijs van Leer, drummer Hans Cleuver, bassist Martijn Dresden, and guitarist Jan Akkerman. The band has undergone numerous formations in its history; since December 2016, it has comprised Van Leer, drummer Pierre van der Linden, guitarist Menno Gootjes, and bassist Udo Pannekeet. They have sold one million RIAA-certified albums in the United States.
A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology.
The Central Subway is a Muni Metro light rail tunnel in San Francisco, California, United States. It runs between Chinatown station in Chinatown and a portal in South of Market (SoMa), with intermediate stops at Union Square/Market Street station in Union Square and Yerba Buena/Moscone station in SoMa. A surface portion runs through SoMa to connect to the previously existing T Third Street line at 4th and King station.
New Chelsea-New Melbourne-Brownsdale-Sibley's Cove-Lead Cove is a local service district and designated place in the Canadian province of Newfoundland and Labrador.
Akkerman may refer to:
Farnworth railway station serves the town of Farnworth, in the Greater Manchester, England. The station underwent several name changes before the present name was adopted in 1974.
The Fehmarn Belt fixed link or Fehmarn Belt tunnel is an under-construction immersed tunnel, which will connect the Danish island of Lolland with the German island of Fehmarn, crossing the 18-kilometre-wide (11 mi) Fehmarn Belt in the Baltic Sea.
The 63rd Street Tunnel is a double-deck subway and railroad tunnel under the East River between the boroughs of Manhattan and Queens in New York City. Opened in 1989, it is the newest of the East River tunnels, as well as the newest rail river crossing in the New York metropolitan area. The upper level of the 63rd Street Tunnel carries the IND 63rd Street Line of the New York City Subway. The lower level carries Long Island Rail Road (LIRR) trains to Grand Central as part of the East Side Access project.
The Ceneri Base Tunnel is a Swiss railway base tunnel in the canton of Ticino. It passes under Monte Ceneri between Camorino in the Magadino Flat and Vezia near Lugano; it bypasses the former high-altitude rail route through the Monte Ceneri Tunnel. It is composed of two single-track tunnels, each 15.4 km (9.6 mi) long. It is part of the New Railway Link through the Alps (NRLA) project for faster north-south rail links across the Swiss Alps.
A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to move the entire machine forward into the rock face.
The M5 Legacy Way is a 4.6 kilometres (2.9 mi) long tunnel linking the Western Freeway at Toowong and the Inner City Bypass at Kelvin Grove, Brisbane. The project consisted of two bored tunnels carrying two motorway grade lanes of traffic in each direction. It opened on 25 June 2015 and is the fourth of five components of Brisbane City Council's TransApex Project. The tunnels will be tolled for approximately 45 years.
The State Route 99 tunnel, also known as the Alaskan Way Viaduct replacement tunnel, is a bored highway tunnel in the city of Seattle, Washington, United States. The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north.
The Glendoe Hydro Scheme for the generation of hydro-electric power is located near Fort Augustus, above Loch Ness in the Highlands of Scotland.
Borisovo is a Moscow Metro station in the Brateyevo District, Southern Administrative Okrug in Moscow. It is on the Lyublinsko-Dmitrovskaya Line, between Maryino and Shipilovskaya stations. Borisovo was opened on December 2, 2011 along with the stations Maryino and Zyablikovo.
The Madrid–Galicia high-speed rail line is a high-speed railway line in Spain that links the city of Madrid with the region of Galicia via the cities of Olmedo, Zamora, Ourense and Santiago de Compostela. The line also connects the Atlantic Axis high-speed rail line to the rest of the Spanish AVE high-speed network. The Madrid–Galicia high-speed rail line is constructed as double electrified line and is designed for trains running at speeds up to 350 kilometres per hour (220 mph).
The Boring Company (TBC) is an American infrastructure, tunnel construction services, and equipment company founded by Elon Musk. TBC was founded as a subsidiary of SpaceX in 2017, before being spun off as a separate corporation in 2018. TBC has completed one tunneling project that is open to the public, as well as a test tunnel.
TT Technologies is a construction equipment manufacturer producing microtunneling and trenchless products.
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