| 摘要 |
<p>Prefabricated mould boxes (5) are laid out, the boxes having U or L-shaped cross-sections and with suitable width and height. They are filled with draining material, and then heat insulation (9) is inserted both horizontally and vertically (10). Then, the baseplate (1) is cast with the corresp. thickened formation (3) beneath it in a common casting stage with any inserted reinforcement (12).</p> |
