NZS 3121:2015
Specification for water and aggregate for concrete
Standards New Zealand
Pick a clause from the contents on the left to see community comments and worked examples, or jump into a section below.
Sections
- 1General
- 2Water
- 3Aggregate
- 4Coarse aggregate
- 5Sand
- 1Suggested limits for composition of concrete mixing water
- 2Recycled wash water SG test requirements
- 3Composition requirements for recycled material used as coarseaggregate in concrete
- 4Grading requirements for coarse aggregates
- 5Intermediate test sieve sizes
- 6Monthly coarse aggregate sampling and grading test rate
- 7Sand flow test
- 8Monthly sand sampling and grading test rate
- 1Flow time versus per cent voids plot illustrating the characteristics ofsand