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 ?
Global admixture manufacturers, especially those with operations in the Middle East, appear keen to capitalise on this growth.
In the case of large amounts of mineral admixture, Jain (2012) presents a linear reduction in compression strength for mixtures containing 20, 40 and 60 wt.
India concrete admixture market is dominated by PCE based admixtures due to their ability to provide relatively higher strength to concrete, durability to structures and reduce water consumption in construction materials as compared to naphthalene based concrete admixtures.
Steady population growth and the need for improved infrastructure is the main driver of increased demand for concrete admixtures in the developing countries such as China, India, Korea, Vietnam, and Indonesia.
This transaction is another step in MAPEI Americas' plan to convert into a top player in the concrete admixture market, CEO Luigi Di Geso said, adding that that the acquisition will further step up the growth rate of MAPEI's concrete systems category.
For improving the durability properties of concretes made of concrete recyclate, three types of fine silicate admixtures (Table 2) were alternately added (Schulze et al.
This work aims to investigate the effects of chemical admixtures on rheological properties of Portland cement paste and determine their impact on the effectiveness of hydration during induction period.
MAPEI admixtures have been usedAa in some of the most challenging construction projects in the world including the three gorges dam in China, The Milan-Bologna High speed rail link, the Troll platform in the North Sea, Singapore Metro, and Munich Airport,Aa to name a few.
rod decreases with the increasing percentage of admixtures added.
The proximate and elemental analyses of admixtures are shown in Table 4.
One of the keys to this flexibility is the use of quality chemical admixtures at the ready-mix or precast plant that enhance and control concrete properties.