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Standards Development
This project is proposed to develop a classification for discrete polymer fibre for fibre-reinforced cementitious composites.
This standard specifies discrete polymer fibres with a nominal length of 80 mm or less mixed in concrete and mortar. The quality and performance specified in this standard are the raw material resin of discrete polymer fibres, nominal fibre diameter and its allowable range, nominal fibre length and its allowable range, fibre cross-sectional shape, fibre longitudinal shape, grade of fibre strength, and grade of fibre elasticity.
There are a wide variety of discrete polymer fibres used to reinforce cement composites. Currently, in discrete polymer fibres products distributed as industrial products, there are many types of raw material resins and various shapes. In addition, the applications that have been used in practical fields are so wide, from structural applications that require high mechanical reinforcement performance to crack control and peeling prevention that are easier to use. Therefore, to select an appropriate product from a wide variety of discrete polymer fibres, the characteristics of discrete polymer fibres should be classified and revealed based on a unified evaluation method. This standard allows manufacturers of discrete polymer fibres to provide the performance according to an adequate standard in response to various user requests.
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