BS 6073-2:2008
$86.31
Precast concrete masonry units – Guide for specifying precast concrete masonry units
| Published By | Publication Date | Number of Pages |
| BSI | 2008 | 14 |
This British Standard gives guidance for specifying precast concrete masonry units conforming to BS EN 771-3 and BS EN 771-4.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Contents 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General 2 5 Basic characteristics (BS EN 771-3:2003+A1, 6.1, and BS EN 771-4:2003+A1, 6.1) 2 6 Additional characteristics (BS EN 771-3:2003+A1, 6.1, and BS EN 771-4:2003+A1, 6.1) 6 7 Other properties 6 8 Manufacturing control 7 Bibliography 8 List of tables Table 1 – Work sizes of aggregate concrete blocks (BS EN 771-3) 3 Table 2 – Work sizes of aggregate concrete coursing units (BS EN 771-3) 3 Table 3 – Work sizes of aircrete blocks (BS EN 771-4) 3 Table 4 – Work sizes of aircrete coursing units (BS EN 771-4) 3 Table 5 – Limit deviations in millimetres for aggregate concrete units (BS EN 771-3) 4 Table 6 – Limit deviations in millimetres for aircrete units (BS EN 771-4) 4 Table 7 – Grouping of units – volume limits 5 Table 8 – Commonly available unit strengths of aggregate concrete and aircrete units (BS EN 771-3 and BS EN 771-4) 5 |
| 4 | Foreword |
| 5 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 masonry unit 3.2 common masonry unit 3.3 close textured masonry unit 3.4 facing masonry unit 3.5 exposed masonry unit 3.6 aggregate concrete masonry unit |
| 6 | 3.7 autoclaved aerated concrete (AAC) masonry unit 3.8 coursing unit 3.9 block 3.10 accessory unit 3.11 work size 4 General 5 Basic characteristics (BS EN 771-3:2003+A1, 6.1, and BS EN 771-4:2003+A1, 6.1) 5.1 General |
| 7 | 5.2 Work size dimensions Table 1 Work sizes of aggregate concrete blocks (BS EN 771-3) Table 2 Work sizes of aggregate concrete coursing units (BS EN 771-3) Table 3 Work sizes of aircrete blocks (BS EN 771-4) Table 4 Work sizes of aircrete coursing units (BS EN 771-4) |
| 8 | 5.3 Tolerance category Table 5 Limit deviations in millimetres for aggregate concrete units (BS EN 771-3) Table 6 Limit deviations in millimetres for aircrete units (BS EN 771-4) |
| 9 | 5.4 Configuration a) provide the purchaser with detailed information on void percentages, number of voids, volume of largest void, thickness of shells and webs etc., to enable the purchaser to establish the appropriate grouping to BS EN 1996-1-1; or b) declare the unit grouping. Table 7 Grouping of units – volume limits 5.5 Compressive strength Table 8 Commonly available unit strengths of aggregate concrete and aircrete units (BS EN 771-3 and BS EN 771-4) |
| 10 | 5.6 Dry density 6 Additional characteristics (BS EN 771-3:2003+A1, 6.1, and BS EN 771-4:2003+A1, 6.1) 6.1 Thermal properties 6.2 Durability 7 Other properties 7.1 General 7.2 Water absorption |
| 11 | 7.3 Moisture movement 7.4 Water vapour permeability 7.5 Reaction to fire 7.6 Shear bond strength 8 Manufacturing control |
| 12 | Bibliography |
