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Here, a concrete transport truck is feeding concrete to a concrete pumper, which is pumping it to where a slab is being poured. Pumping concrete into aluminium concrete formwork in Mexico. A concrete pump is a machine used for transferring liquid concrete by pumping. There are different types of concrete pumps.
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.
A typical concrete mixer uses a revolving drum to mix the components. For smaller volume works, portable concrete mixers are often used so that the concrete can be made at the construction site, giving the workers ample time to use the concrete before it hardens. An alternative to a machine is mixing concrete by hand.
The ISPC merged Blake and Knowles Steam Pump Works, Ltd. (BKSPW), Worthington Pump Works and other companies that together made up a large part of total American capacity for making steam pumps. [12] The company's products were diverse, including the elevators for the Eiffel Tower. [10] Worthington Pump Works was the largest of the merged firms ...
The business group is the world's second largest concrete pump manufacturer, behind Putzmeister, another German manufacturer and subsidiary of the Sany Group. [6] [2] [7] Product-wise, XCMG's 3,600-tonne, 88,000 tonne-meter rated lattice boom crawler crane for power generation plants and petrochemical facilities began its production that year.
The placement consisted of 10,251 cubic yards of concrete placed in 58.5 hours using two concrete pumps and two dedicated concrete batch plants. Upon curing, this placement allows the 50,180-square-foot (4,662 m 2 ) cofferdam to be dewatered approximately 26 feet (7.9 m) below sea level to allow the construction of the Inner Harbor Navigation ...
Some concrete mixes are suitable for pumping with a concrete pump. In 2011, there were 2,223 companies employing 72,925 workers that produced ready-mix concrete in the United States. [ 18 ]