| 摘要 |
A modular bund 1 includes a floor 2 and a retaining wall 3. The floor comprises a plurality of inter-engaging, non-porous tiles 6 and the retaining wall comprises a plurality of non-porous panels 19 supported by brackets 20 or posts 21. Advantageously, the tiles comprise rectangular tiles which are provided along two adjacent edges with an overlap 8 and along the other two adjacent edges with an underlap 9. Joints between the tiles, the panels and the panels and the floor are sealed with a non-porous sealant. The whole of the floor and the retaining wall within the bund may be coated with a non-porous sealant such as an elastomeric polyurethane coating. Self-tapping fasteners may be used to secure the tiles and the tiles laid on a foundation of concrete beams and slabs. A pump and sump may be provided for draining the bund, the pump being able to determine the detect rainwater and drain the bund automatically accordingly. |
