The phrase 'concrete admixture' is correct and usable in written English.
You can use it when you want to refer to a material which is added to concrete to alter its properties, such as durability and strength. For example, "The contractor used a concrete admixture to improve the hardness of the concrete floor."
Potential use of borogypsum as a concrete admixture is discussed.
The concept consists of using fine, superabsorbent polymer (SAP) particles as a concrete admixture.
The concept is based on using fine, superabsorbent polymer (hydrogel, SAP) particles as a concrete admixture.
The dried physicochemical sludge from the coagulation flocculation treatment of an andesite processing plant wastewater was used as concrete admixture in powder form.
The test follows the Chinese standard GB/T8077 2000 on method for testing uniformity of concrete admixture.
ASTM (2012) C494 requires testing of concrete admixture in accordance with Table 1 (ASTM 494) designated as Level 1 testing.
Quarry dust, microcement, water and concrete admixtures were mixed and casted in steel molds for the production of the specimens.
Modern concrete admixtures can reduce the water content needed for such performance by up to 30% with a resulting considerable increase in strength.
Metakaolin (MK), widely used for high-performance concrete admixtures, is introduced into improving the percolation behaviors of cement-stabilized soft clays, which is a key performance when analyzing the permeability and consolidation in the grounds modified by deep mixing methods etc., the underground water seepage and the migration of pollutants in waterproof curtains by grouting methods etc.
Concrete admixtures are used constantly in civil engineering projects.
The Illinois Department of Transportation IDOTT) published a list of approved concrete admixtures and specifications that outlines the submittal process for the approval of new concrete admixtures (Illinois DOT Bureau of Materials and Physical Research (2011).
