Requirements for dimensions, compressive strength, water absorption, soluble salt content, efflorescence and sampling for bricks manufactured from clay for use in walling. Also gives methods of classification and guidance on appearance. Sizes and tolerances apply only to the 225 mm x 112 .5 mm x 75 mm format. See also BS 6649 and BS 4729.
Số hiệu tiêu chuẩn
BS 3921:1985
Tên tiêu chuẩn
Specification for clay bricks
Ngày phát hành
1985-11-29
Tiêu chuẩn liên quan
BS 12 * BS 410 * BS 427:Part 1 * BS 915:Part 2 * BS 970:Part 1 * BS 1134 * BS 1610 * BS 2648 * BS 4551 * BS 4729 * BS 5628:Part 1 * BS 5628:Part 2 * BS 5628:Part 3 * BS 6100:Part 5:Section 5.3 * BS 6649
Thay thế cho
Replaces BS 3921:1974.
Từ khóa
Clay * Bricks * Construction systems parts * Walls * Dimensions * Size * Water absorption * Compressive strength * Hollow bricks * Durability * Classification systems * Salts * Solutes * Efflorescence * Determination of content * Marking * Dimensional measurement * Sampling methods * Chemical analysis and testing * Compression testing * Water-absorption tests * Quality assurance systems * Statistical quality control * Hollow blocks * Permanency * Storage quality * Bloom (defect) * Endurance tests