Search results
Results from the WOW.Com Content Network
In 2013, 70.8 percent of portland cement was sold as ready-mix concrete, such as is delivered in cement-mixer trucks. 11.5 percent was sold dry to contractors and construction materials stores; 11.3 percent was sold to manufacturers of concrete products; 4.6 percent was sold for oil and gas wells, and 1.8 percent was sold to government agencies ...
On December 22, 1953, Marquette Cement announced it would purchase the Southern States Portland Cement Company and the Superior Cement division of the New York Coal Company. [ 6 ] On January 11, 1961, Marquette Cement shareholders approved plans to acquire North American Cement Corporation of New York for an exchange of stock. [ 7 ]
Portland cement had been imported into the United States from Germany and England, and in the 1870s and 1880s, it was being produced by Eagle Portland cement near Kalamazoo, Michigan. In 1875, the first portland cement was produced in the Coplay Cement Company Kilns under the direction of David O. Saylor in Coplay, Pennsylvania . [ 11 ]
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
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]
The enlarged group has activities in over 50 countries with 51,000 employees working at almost 3,000 production sites. Heidelberg Materials operates around 130 cement plants with an annual cement capacity of around 170 million tonnes, around 1,300 ready-mixed concrete production sites, and just under 600 aggregates quarries. [2]
Pages in category "Cement companies of the United States" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. A.
During the course of the construction 45,000 barrels of cement, 30,000 cubic yards of gravel, and 15,000 cubic yards of sand were mixed by 500 men who produced 35,000 cubic yards of concrete. [ 4 ] [ 8 ] When the building underwent renovations from 1973 the walls were left untouched because Edison's concrete mix was seen to be hard and durable ...