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The second main type of concrete pump, commonly referred to as a "line pump" or trailer-mounted concrete pump, is either mounted on a truck or placed on a trailer. This pump requires steel or flexible concrete placing hoses to be manually attached to the outlet of the machine and feed the concrete to the place of application. The length of the ...
Putzmeister was founded by Karl Schlecht in 1958. [3] Schlecht designed a mortar machine based on his diploma thesis at the University of Stuttgart. [4]In 1986, Putzmeister 52Z's were used in the Chernobyl nuclear accident, pumping over 300,000 m 3 (390,000 cu yd) of concrete to entomb reactor number 4, setting a world record at the time for volume pumping.
Schwing Concrete pump. The Schwing Group was founded as a medium-sized enterprise on 17 March 1934, by Friedrich Wilhelm Schwing (* 1909; † 1992), a locksmith from Wanne-Eickel. In 1957, Schwing built the world's first oil-hydraulic two-cylinder concrete pump. Starting in 1964, the company also built the first large concrete mixers.
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The pumping of solids with high solids contents offers a range of possibilities in process engineering. Oil-hydraulically powered two-cylinder piston pumps with S-transfer tube have already been used for many years in civil engineering for transporting concrete.
Conco provides concrete services for the Western U.S. that include professional concrete building design, formwork, reinforcement, shotcrete, pumping, and place and finish. In addition, Conco is one of the largest independent reinforcing steel and post tension contractors on the West Coast, with state-of-the-art rebar fabrication facilities in ...
However the brothers dug trenches and poured some concrete to make it appear work had been done. They continued to pressure the victim for more money, including wiring a third party $200,000 (£ ...