This standard specifies the terms and definitions, product classification, raw materials, requirements, test methods, inspection rules, product quality instruction, stacking and transport of autoclaved aerated concrete blocks. This standard is applicable to bearing and non-bearing wall bodies for civil and industrial buildings and autoclaved aerated concrete blocks (hereinafter referred to as block, with the code of ACB) for thermal insulation.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties coming to an agreement according to this standard are encouraged to research whether the latest editions of these references apply. For undated references, their latest editions are applicable to this standard. GB 175 "Portland Cement and Ordinary Portland Cement" GB 6566 "Limit of Radionuclides in Building Materials" GB/T 10294 "Thermal Insulation-Determination of Steady-state Thermal Resistance and Related Properties-Guarded Hot Plate Apparatus" GB/T 11969-1997 "General Requirements for Test Methods of Aerated Concrete" GB/T 11970-1997 "Test Methods for Bulk Density, Moisture and Water Absorption of Aerated Concrete" GB/T 11971-1997 "Test Method of Mechanical Property of Aerated Concrete" GB/T 11972-1997 "Test Methods for Dry Shrinkage of Aerated Concrete" GB/T 11973-1997 "Test Method for Frost-resistance of Aerated Concrete" JC/T 407 "Aluminium Pastes for Aerated Concrete" JC/T 409 "Fly Ash for Silicate Building Products" JC/T 621 "Lime for Silicate Building Products" JC/T 622 "Sand for Silicate Building Products"
3 Terms and Definitions
For the purpose of this standard, the following term and definition apply. Dry density Mass per unit volume that is measured through stoving the block specimen to constant mass at 105��.