water-reducing admixture


Also found in: Acronyms.

water-reducing admixture

1. An admixture which either (a) increases the slump of freshly mixed concrete or mortar without increasing the water content or (b) maintains the slump with a reduced amount of water due to factors other than air entrainment.
2. In concrete, an admixture which can produce a large reduction in water or flowability without an undue set retardation or entrainment of air.
References in periodicals archive ?
It is crucial to add that standard PN-EN 934-2 [36] is differentiating between two groups of water-reducing admixtures distinguished according to following criteria:
These control mixtures were subsequently modified by using a high-range water-reducing admixture to increase slump (C11, C12, C13, C21, C22), incorporating a viscosity-modifying admixture (VMA) to increase viscosity (C14), or adding water to increase slump (C23).
As to consumption, though the end use segments of melamine are still concentrated in laminate industry, coatings, papermaking, textile and leather, molded plastics, water-reducing admixture, flame retardants in China, its consumption structure has changed a little.
With an eye to sustainable construction, BASF Admixture Systems has formulated a new water-reducing admixture, Pozzolith 700N, for use in ready mixed concrete designed with SCM.
are of industrialized production scale and take a lions share of domestic polycarboxylates high performance water-reducing admixture industry.
Water-reducing admixture is one of key products in the pillar industry of new building materials.
Additivity effects in the rheology of fresh concrete containing water-reducing admixtures, Construction and Building Materials 25: 2955-2960.