| 摘要 |
<p>A one piece building block suitable for load bearing applications such as road surfaces and river linings. The block includes an upper hexagonal portion and a lower portion having load bearing projections which, when the block is viewed in plan, project outwardly from alternate sides of the upper portion. Each projection extends substantially the entire length of its respective side. The lower portion has recesses of shape complementary with that of the projections to enable a plurality of identical blocks to be interlocked.</p> |
