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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Additionally, it offers a forecast over the Global Waterproofing Admixtures Industry for the period between 2019 to 2025.
Adding these MCI admixtures to concrete mixes is a simple, time-proven, and cost-effective method of achieving significant enhancement in durability.
The following plasticising admixtures were used in the investigation: plasticiser (LS), superplasticisers (PCE and MAP).
As shown in Table 4, the factors affecting the workability, in the order of importance, are the polycarboxylate superplasticizer, the water-binder ratio, the accelerating admixture, the expansion admixture, the mineral powder, and the sand-binder ratio, and their weight ratios are 28.18%, 25.75%, 17.97%, 11.49%, 8.28%, and 7.69%, respectively.
Thus, including expansive admixture in the SHCC material is effective because the shrinkage of SHCC is greater than that of conventional concrete.
Global admixture manufacturers, especially those with operations in the Middle East, appear keen to capitalise on this growth.
Wang has worked in the admixture, concrete and cement industries.
Many studies have been developed for the proper disposal of these residues, such as raw material for clinker production (Andrade, 2010) or as mineral admixture to Portland cement (Uysal & Sumer, 2011).
New York, NY, August 27, 2016 --(PR.com)-- According to TechSci Research report, "India Naphthalene and PCE based Admixtures Market By Type, Competition Forecast & Opportunities, 2011 - 2021," naphthalene and polycarboxylate (PCE) admixtures market in India is projected to reach US$ 683 million by 2021.
There are many mineral admixtures used in cement and concrete, says Tokyay, so he concentrates on the more commonly used ones.