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A portfolio of concrete admixtures, cement additives, and solutions for underground construction is bundled under the Master Builders Solutions brand. Founded in 1909, the company operates 35 production sites in Europe, North America, Australia, and New Zealand. Master Builders Solutions employs about 1,600 individuals worldwide.
The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...
Their addition allows to decrease the water-to-cement ratio of concrete or mortar without negatively affecting the workability of the mixture. It enables the production of self-consolidating concrete and high-performance concrete. The water–cement ratio is the main factor determining the concrete strength and its durability. Superplasticizers ...
Admixtures can be used to reduce water requirements, entrain air into a mixture, to improve surface durability, or even superplasticise concrete to make it self-levelling, as self-consolidating concrete, [14] the use of admixtures requires precision in dosing and mix design, which is more difficult without the dosing/measuring equipment and ...
Pages in category "Concrete admixtures" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. C. Calcium chloride;
Typically, a batch of concrete can be made by using 1 part Portland cement, 2 parts dry sand, 3 parts dry stone, 1/2 part water. The parts are in terms of weight – not volume. For example, 1-cubic-foot (0.028 m 3 ) of concrete would be made using 22 lb (10.0 kg) cement, 10 lb (4.5 kg) water, 41 lb (19 kg) dry sand, 70 lb (32 kg) dry stone (1/ ...
Concretene is a graphene-enhanced admixture for concrete [1] [2] that delivers savings on cost and CO 2 emissions. The formulation has been developed by Nationwide Engineering Research & Development (NERD) in collaboration with The University of Manchester 's Graphene Engineering Innovation Centre (GEIC).
Depending on the climate, the curing process may take longer and require more frequent wetting. Once the concrete is cured, it sits for two to three weeks before the process is complete. [citation needed] When hydrophobic concrete is made through the use of an admixture, a powder with the hydrophobic chemicals is added during the batching process.