Admixture

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admixture

[¦ad¦miks·chər]
(geology)
One of the lesser or subordinate grades of sediment.
(materials)
A material (other than aggregate, cement, or water) added in small quantities to concrete to produce some desired change in properties. Also known as additive.

Admixture

A material other than water, aggregate, and cement, used as an ingredient in concrete or mortar; may add coloring or control strength or setting time.

admixture

A material other than water, aggregates, lime, or cement, used as an ingredient of concrete or mortar, and added to the batch immediately before or during its mixing; used as a water repellent, as a coloring agent, as a retarder or accelerator (to modify its setting rate), etc.
References in periodicals archive ?
Huge infrastructure projects and high autonomous construction growth in North and Northeast Brazil will open up more windows of opportunities to concrete admixtures manufactures until at least 2014.
Browse 81 market data Tables and 44 Figures spread through 165 Pages and in-depth TOC on "Concrete Admixtures Market ".
The new production facility for concrete admixtures covers the needs of local construction companies and helps realize large-scale construction projects such as the new highway "Route de Littoral.
A principal in New Jersey-based Intelligent Concrete LLC, Jon Belkowitz examines nano-silica admixture technology in "Colloidal Silica," a July 2014 Concrete International report: "The small CS [colloidal silica] particle can accelerate cement dissolution and nucleation as well as provide a much larger surface area of free silica for pozzolanic reaction.
The robot has been successfully tested on 30 different I V admixtures, he said.
In concretes with admixtures C3A, C4A, C5A, C6A, C7A, C8A and C9A, a certain quantity of cement and water was removed and adequate proportions of component aggregates and superplasticiser were added (Tables 4, 5).
This means that Sika is very well positioned to consolidate its long-term market leadership, in particular for concrete admixtures, and to gain further market share.
LignoTech USA, the world's leading supplier of lignin-based products to concrete admixture producers announced late last month a critical supply imbalance impacting North American accounts.
Swiss construction chemicals giant Sika has opened a new manufacturing plant in Dubai to manufacture construction mortars as well as a concrete admixture on the island of Reunion in the Indian Ocean.
It also presented its tiling and screeds solutions, along with other technologies such as admixture and construction systems and waterproofing and flooring solutions.
The composite nature of the concrete comprises sand, aggregate, binder, water and admixtures, with admixtures playing a vital role in achieving the desired concrete mix offering enhanced strength, binding, flowability and workability characteristics.