ISO 18319-2:2022 PDF

Fibre reinforced polymer (FRP) reinforcement for concrete structures — Part 2: Specifications of CFRP strips

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Title (English):

ISO 18319-2:2022

Fibre reinforced polymer (FRP) reinforcement for concrete structures — Part 2: Specifications of CFRP strips

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 6
Publication date:: January 17, 2022
Edition:: ISO IS 18319 edition 1 version 1
ICS:: 83.120

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Description (English):

This document specifies requirements for unidirectional carbon fibre-reinforced polymer (CFRP) strips as external-bonded reinforcements on the concrete substrate. This document is applicable for the CFRP strips that: — consist of carbon fibre and thermoset resin; — are manufactured by pultrusion method; — have a carbon fibre fraction over 60 % by volume; and — have a thickness within 3 mm. This document specifies the methodologies to express the mechanical properties as characteristic values, appearance and dimensions, and sampling test.

Technical details

Technical committee: ISO/TC 71/SC 6 - Non-traditional reinforcing materials for concrete structures
SKU: ISO 18319-2:2022

Abstract

Overview

ISO 18319-2:2022 defines specifications for unidirectional carbon fibre‑reinforced polymer (CFRP) strips used as external‑bonded reinforcement on concrete structures. The standard applies to CFRP strips that: consist of carbon fibre and thermoset resin, are manufactured by the pultrusion method, have a carbon‑fibre fraction > 60% by volume, and a thickness ≤ 3 mm. It provides requirements and methods for expressing mechanical properties as characteristic values, appearance and dimensional tolerances, straightness, and sampling tests.

Key topics and requirements

Scope and materials: Unidirectional CFRP strips with thermoset resin, pultruded manufacture, >60% carbon fibre by volume, thickness within 3 mm.
Appearance: Strips must be free from visible defects such as cracks, whitening (incomplete curing), and blistering.
Dimensions & tolerances:
- Nominal width, thickness, cross‑sectional area and length are agreed between parties.
- Thickness tolerance: ±10% of nominal.
- Width and cross‑sectional area shall be no less than nominal (see standard for complete table).
- Length tolerances vary by nominal length (detailed bands for l ≥ 30 m, 30–10 m, 10–5 m,

Related standards

Other ISO standards

Overview

Key topics and requirements

Scope and materials: Unidirectional CFRP strips with thermoset resin, pultruded manufacture, >60% carbon fibre by volume, thickness within 3 mm.
Appearance: Strips must be free from visible defects such as cracks, whitening (incomplete curing), and blistering.
Dimensions & tolerances:
- Nominal width, thickness, cross‑sectional area and length are agreed between parties.
- Thickness tolerance: ±10% of nominal.
- Width and cross‑sectional area shall be no less than nominal (see standard for complete table).
- Length tolerances vary by nominal length (detailed bands for l ≥ 30 m, 30–10 m, 10–5 m,

ISO 18319-2:2022 PDF

Technical details

Abstract

Overview

Key topics and requirements

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