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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.
Jumia Technologies (NYSE: JMIA) stock surged in Thursday's trading. The African e-commerce company's share price ended the day's trading up 19.7% and had been up as high as 26.1% earlier in the ...
Ethiopia has 20 cement factories which produce mainly OPC and PPC cement. Two other cement factories are in the pipeline. As of 2017, production capacity in Ethiopian, according to the Ethiopian Reporter, [14] has increased to 15 million tonnes per year, but local consumption is only 6 million tonnes per year.
Concrete has a limited lifespan between batching / mixing and curing. This means that ready-mixed concrete should be placed within 30 to 45 minutes of the batching process to hold slump and mix design specifications in the US, [15] though in the UK, environmental and material factors, plus in-transit mixing, allow for up two hours to elapse. [16]
In this article, I do a deep dive into what that means.InvestorPlace - Stock Market News, Stock Investors get so wrapped around short-term thinking that they tend to forget the forests for the trees.
Lafarge Africa Plc is an industrial company headquartered in Lagos, Nigeria, and listed on the Nigerian Stock Exchange. It is majorly controlled by the Holcim Group . Previously trading under the name of Lafarge Wapco Plc, the merger of Lafarge and Holcim and resulting consolidation of Lafarge's assets in Nigeria and South Africa resulted in ...
In 2009, BUA Group purchased interest in Edo Cement Company, Okpella, a company that previously traded under the name of Bendel cement.As production was on a decline at the plant, BUA commissioned a new plant at Obu, a few kilometres from Okpella, [5] production from the new clinker began in 2014, later another production line was added in 2019.
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 ...