Water drainage channel, in a two-part reinforced concrete structure, has an upper section with a slit through it and a lower section with the water channel, to take up the lateral and vertical forces without damage

摘要

The two-part drainage channel, of reinforced concrete, has an upper section (1) with a slit (2) running through it and lateral bonding struts (3) to take up side pressures. The lower section (4) has a water drainage channel (5), and a sealing groove at the laying and end sides.