NZS 3104:2021 PDF Download

The NZS 3104:2021 standard has the objective of setting out the minimum requirements for the production of fresh concrete. The standard has recently undergone a revision to incorporate an alternative method for determining the target mean concrete compressive strength. This alternative method is based on normal distribution theory and provides flexibility in calculating the desired strength of the concrete.

The updated standard includes several amendments to accommodate this alternative method. Clauses pertaining to the introduction of this new approach have been revised, ensuring the incorporation of the necessary guidelines and procedures. Additionally, the standard has been updated throughout to align with current industry practices and advancements in technology. These updates ensure that the standard remains relevant and reflects the most up-to-date knowledge and techniques in concrete production.