1.0.1 This standard is formulated with a view to rationally utilize natural sand, artificial sand, crushed stone and gravel in the ordinary concrete so as to guarantee their quality.
1.0.2 This standard is applicable to the quality requirements and test methods of sand and crushed stone for ordinary concrete used in industrial/civil buildings and structures.
1.0.3 Alkali reactivity test shall be conducted for sand and crushed stone which is to be used for important concrete structures long in damp environment.
1.0.4 As for the quality requirements and testing of sand and crushed stone, not only the requirements stipulated in this standard, but also those in the current relevant ones of the nation shall be complied with.
1 General Rules 1
2 Terms and Symbols 1
2.1 Terms 1
2.2 Symbols 2
3 Quality Requirements 2
3.1 Quality Requirements of Sand 2
3.2 Quality Requirements of Crushed Stone 6
4 Acceptance, Transportation and Stacking 10
5 Sampling and Division 11
5.1 Sampling 11
5.2 Division of Specimen 12
6 Test Method of Sand 13
6.1 Mesh Analysis Test of Sand 13
6.2 Apparent Density Test of Sand (standard method) 15
6.3 Apparent Density Test of Sand (simple method) 16
6.4 Water Absorption Test of Sand 17
6.5 Bulk Density Test and Tight Density Test of Sand 18
6.6 Water Ratio Test of Sand (standard method) 20
6.7 Water Ratio Test of Sand (rapid method) 21
6.8 Dust Content Test of Sand (standard method) 21
6.9 Dust Content Test of Sand (siphon method) 22
6.10 Clay Lump Content Test of Sand 23
6.11 Crusher Dust Content Test of Artificial Sand and Mixed Sand (methylene blue method) 24
6.12 Crushing Value Index Test of Artificial Sand 26
6.13 Organic Content Test of Sand 27
6.14 Mica Content Test of Sand 28
6.15 Light Material Content Test of Sand 29
6.16 Soundness Test of Sand 30
6.17 Sulfate and Sulfide Content Test of Sand 32
6.18 Chloride Ion Content Test of Sand 33
6.19 Shell Content Test of Sea Sand (hydrochloric acid cleaning method) 34
6.20 Sand Alkali-active Test (Rapid Method) 35
6.21 Sand Alkali-active Test (Mortar Length Method) 38
7 Test Methods of Crushed Stone (or Gravel) 41
7.1 Screen Analysis Test for Crushed Stone (or Gravel) 41
7.2 Apparent Density Test of Crushed Stone (or Gravel) (Standard Method) 41
7.3 Apparent Density Test of Crushed Stone (or Gravel) (Survey Method) 43
7.4 Water Content Test of Crushed Stone (or Gravel) 44
7.5 Water Absorption Test of Crushed Stone (or Gravel) 45
7.6 Bulk Density and Tight Density Test of Crushed Stone (or Gravel) 46
7.7 Mud Content Test in Crushed Stones (or Gravels) 48
7.8 Clay Lump Content Test in Crushed Stones (or Gravels) 49
7.9 Total Content Test of Elongated and Flaky Particle in Crushed Stones (or Gravels) 50
7.10 Organic Matter Content Test in Gravels 52
7.11 Soundness Test of Crushed Stone (or Gravel) 53
7.12 Compressive Strength Test of Rock 55
7.13 Crushing Value Index Test of Crushed Stone (or Gravel) 56
7.14 Sulfide and Sulfate Content Test of Crushed Stone (or Gravel) 58
7.15 Alkali-active Test of Rushed Stone or Gravel (Lithofacies Method) 59
7.16 Alkali-active test of rushed stone or gravel (rapid method) 60
7.17 Alkali- reactive test of crushed stone or gravel (mortar length method) 62
7.18 Alkali-active Test for Carbonate Aggregate (Rock Column Method) 65
Annex A Sand Inspection Report Table 67
Annex B Stone Inspection Report Table 68
Word Explanations 69