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AS/NZS 4456.17:2003

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AS/NZS 4456.17:2003

Masonry units and segmental pavers and flags - Methods of test Determining initial rate of absorption (suction)

Standards Australia

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Table of Contents

Scope

This Standard sets out the method for determining the initial rate of absorption (suction) of masonry units.
NOTES:
1 The initial rate of absorption (IRA) is the amount of water absorbed in 1 min through the bed face of the unit. It is a measure of the ‘suction’ of the unit, and in experienced hands is an important factor in the design of mortars that will bond strongly with the units. It is not an absolute measure of bond strength; the significance of the actual figures varies widely with such factors as the type of unit and the materials and methods of manufacture.
2 This method might not be practicable for large units.

General Product Information

Document Type Standard
Status Current
Publisher Standards Australia
Committee BD-026
Supersedes
  • AS/NZS 4456.17:1997
  • DR 02588 CP
  • DR 02571-02589 CP