This standard specifies the classification, specifications and markings, structure and materials, requirements, test methods, inspections, rules, markings, packaging, transportation and storage of concrete test forms. This standard applies to the design, production and quality inspection of concrete test forms. This standard does not apply to plastic test molds used on construction sites where the ambient temperature is outside 10ºC-30ºC.
JG 237-2008 Referenced Document
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 50081 Standards for test methods of physical and mechanical properties of concrete*, 2019-10-12 Update