1 Scope
This standard specifies product classification, technical requirements, testing methods, inspection rules as well as marking, packing, transport and storage of fired hollow bricks and blocks.
This standard is applicable to such hollow bricks and blocks (hereinafter referred to as bricks and blocks) as baked from clay, shale, coal gangue and fly ash (main raw materials) and mostly used for the non-bearing parts of buildings.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent correction to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB/T 2542 "Test Methods for Wall Bricks"
GB 6566 "Limit of Radio-nuclides in Building Materials"
GB/T 18968-2003 "Terms of Wall Materials"
JC/T 466 "Inspection Rules for Wall Brick"