This standard specifies the terms and definitions, classification, performance grade and mark, raw materials and mix proportion, quality requirements, preparation, test methods, inspection rules, ordering and delivery of ready-mixed concrete.
This standard is applicable to ready-mixed concrete produced by mixing plant (tower).
This standard does not cover pouring, vibrating and curing of concrete after delivery.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
For the purposes of this document, the following terms and definitions apply.
3.1
ready-mixed concrete
concrete produced in the mixing plant (tower) and delivered to the place of use by transport equipment, which is mixture when delivered
3.2
ordinary concrete
concrete with dry apparent density of 2,000 kg/m3~2,800 kg/m3
3.3
high strength concrete
concrete with the strength grade not lower than C60
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification, performance grade and mark 5 Raw materials and mix proportion 6 Quality requirements 7 Preparation 8 Test methods 9 Inspection rules 10 Ordering and delivery
