| 摘要 |
The invention relates to a fish ladder (1) to by-pass a vertical descent (SH) in a flowing watercourse (31F) or a dam (31T), with an upstream water inlet (2) and a downstream water outlet (3) and with basins (4) arranged between them substantially in the downstream direction, each of which has an inflow slot (5Z) and an outflow slot (5A) as vertical throughflow slots (5) and deviating means (6, 13) to form a meandering passage. The basins (4) have a partially cylindrical inner wall (40). Successive basins (4a, 4b, 4c, 4d) are arranged against one another and mutually laterally offset in such a way that the through-flow slots (5) run tranversely to the direction of slope (G). The through-flow slots (5) are bounded on both sides by a first vertical partially cylindrical pipe (60) over the entire height (H) of the basin as a first means of diversion (6) with a substantially smaller radius in relation to that of the inner wall (40) of the basin.
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