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ISO 21914

Test methods for fibre-reinforced cementitious composites - Bending moment - Curvature curve by fourpoint bending test

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Organization: ISO
Publication Date: 1 July 2019
Status: active
Page Count: 16
ICS Code (Concrete and concrete products): 91.100.30
ICS Code (Reinforced plastics): 83.120
scope:

This document specifies the test method for obtaining bending moment-curvature curves of fibre-reinforced cementitious composites (FRCCs) through four-point bending test of prism specimens.

It is applicable to FRCCs that show separated multiple cracks under pure bending before maximum load.

NOTE Separated multiple cracks means two or more independent cracks visible to the eye occurring in the constant moment span from the bottom side over half depth of the specimen before maximum load is observed, as shown in Figure 1. For the purpose of confirmation of cracks, spraying up the specimen surface using an alcohol solution or acetone makes observations easier. The formation of multiple cracks is associated with deflection hardening behaviour. For FRCCs that do not show separated multiple cracks, see ISO 19044.

Document History

ISO 21914
July 1, 2019
Test methods for fibre-reinforced cementitious composites - Bending moment - Curvature curve by fourpoint bending test
This document specifies the test method for obtaining bending moment-curvature curves of fibre-reinforced cementitious composites (FRCCs) through four-point bending test of prism specimens. It is...

References

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