| 摘要 |
<p>A method and apparatus for forming a concrete block, particularly but not exclusively a composite block with a reflective facia portion. The block is formed by a dry-cast technique, in which mixture for forming the block has a water/cement ratio less than or equal to 0.35, in combination with application of a compaction force so that the resultant block complies with compressive strength requirements set out in BS 6717: Part 1: 1993.</p> |
