JC/T 2458-2018 Polystyrene granule foamed concrete
1 Scope
This standard specifies the terms and definitions, classification and designation, raw materials, requirements, test methods, inspection rules, manufacturing and transportation, and product certificates of polystyrene granule foamed concrete.
This standard is applicable to polystyrene granule foamed concrete for thermal insulation of industrial and civil buildings and structures.
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.
GB 175 Common portland cement
GB/T 5486-2008 Test methods for inorganic rigid thermal insulation
GB 6566 Limits of radionuclides in building materials
GB 8076 Concrete admixtures
GB 8624 Classification for burning behavior of building materials and products
GB/T 10294 Thermal insulation - Determination of steady-state thermal resistance and related properties - Guarded hot plate apparatus
GB/T 11969 Test methods of autoclaved aerated concrete
GB/T 20473-2006 Dry-mixed thermal insulating composition for buildings
GB/T 50081 Standard for test methods of concrete physical and mechanical properties
GB 50164 Standard for quality control of concrete
JC 474 Water-repellent admixture for mortar and concrete
JC/T 2199 Foaming agents for foamed concrete
JGJ 51-2002 Technical specification for lightweight aggregate concrete
JGJ 63 Standard of water for concrete
JG/T 266-2011 Foamed concrete
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
polystyrene granule foamed concrete
foamed concrete containing polystyrene granules (with a volume fraction of ≥ 20%)
3.2
polystyrene granule
primary, reclaimed or recycled expanded polystyrene foamed granules, which are lightweight aggregates with certain granule size and gradation specially used for concrete
4 Classification and designation
4.1 Classification
4.1.1 Classification by dry apparent density
It is classified into A1, A2, A3, A4, A5 and A6 by dry apparent density.
4.1.2 Classification by compressive strength
It is classified into C0.2, C0.5, C1, C1.5, C2 and C3 by compressive strength.
4.1.3 Classification by volume water absorption
It is classified into W5 and W10 by volume water absorption.
4.1.4 Classification by burning performance
It is classified into A and B1 by burning performance grade.
4.2 Designation
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Raw materials
6 Requirements
7 Test methods
8 Inspection rules
9 Manufacturing and transportation
Annex A (Normative) Homogeneity test method
