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Batch Mixing of Glass Fiber Reinforced Concrete

Nippon Electric Glass America, Inc., Schaumburg, IL 60173, USA


Glass fiber reinforced concrete, or GFRC as it is known on the American continent and GRC in the rest of the world, is based on an Alkali Resistant glass fiber reinforced mortar, or slurry formulation, rather than a conventional aggregate concrete mix. Typically, it has a sand: cementitious material ratio of 1:1 and does not contain any course aggregate. The cementitious material is either cement such as ordinary Portland or cement and pozzolan. In addition GFRC mixes often incorporate an acrylic copolymer curing admixture and other admixtures such as super-plasticizers, pump aids, set control agents, and self-compacting agents. Fig 1 shows a typical slurry mix formulation without fibers.

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Nippon Electric Glass America, Inc.
1515 East Woodfield Road, Suite 720
Schaumburg, IL 60173
T +1 630 2858500
F +1 630 2858510

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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