Reference number
ISO 21022:2018
© ISO 2025
International Standard
ISO 21022:2018
Test method for fibre-reinforced cementitious composites — Load-deflection curve using circular plates
Edition 1
2018-11
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Published (Edition 1, 2018)

ISO 21022:2018

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Format
CHF 98
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Abstract

This document specifies a test method for evaluating flexural performance of fibre-reinforced cementitious composites (FRCCs) using derived parameters. These parameters are derived from the load-deflection curve obtained by testing a circular specimen supported on a concentric ring and loaded by another ring with a smaller diameter. The performance of FRCCs tested by this method is characterized for biaxial properties.

This test method provides for the determination of first-cracking load and the corresponding stress. It also provides for the determination of specimen toughness based on the area under the load-deflection curve up to the deflections at the first-cracking and peak loads. For determining the toughness value, this test method is intended primarily for use with FRCCs that exhibit deflection hardening behaviour. This test method is not intended for materials that exhibit deflection-softening behaviour.

General information

  • Status
     : Published
    Publication date
     : 2018-11
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 13
  • Technical Committee :
    ISO/TC 71/SC 6
    ICS :
    83.120  91.100.30 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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