This document specifies test methods applicable to fibre-reinforced polymer (FRP) grids as reinforcement or pre-stressing tendons in concrete, including physical, mechanical, durability, long term durability and bond properties.

FRP grids in this document can be used for rehabilitating existing reinforced concrete (RC) structures and reinforcing new constructions.

FRP grids in this document are made of fibre and resin matrix. The types of fibres are aramid fibre, basalt fibre, carbon fibre or glass fibre. The matrix includes thermosetting resins, such as vinylester, unsaturated polyester resins, as well as thermoplastic resins, including polypropylene, polyamides, and polymethyl methacrylate.

FRP grids in this document are a rigid array of interconnected FRP bars, and do not include fibre textile and fabric with a mesh type.

In this document, durability refers to alkali resistance.

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