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Touchstone

ISSN 1177-5874
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Materials

Specification for concrete production – Amendment 2 published

Standards New Zealand has published Amendment 2 to Specification for concrete production NZS 3104:2003. Amendment 2 is the result of a project sponsored by the New Zealand Ready Mixed Concrete Association to incorporate a new type of mechanism for the testing of weigh systems.

Since the initial drafting of NZS 3104, clauses dealing with weigh scale checking have remained unchanged. In this time there has been a significant introduction of load cell technology replacing the mechanical knife-edge systems that dominated in 1983.

  ...[more]

 
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