Author(s): M. Van Der Wal; H. Bruhl
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Keywords: No Keywords
Abstract: One of the components of the Flood Action Plan in Bangladesh is a study of how by using recurrent measures one can optimally train the Jamuna river. After a study of various recurrent measures for training a braiding river like the Jamuna river, bandalling and surface screens were selected as the most promi-sing methods. The hydrodynamic and morphological effectiveness of a row of sur-face sereens, placed at a bifurcation and upstream of the mouth of an out-flanking channel, is discussed in this paper. The influence of the depth and the 1ength of the row of screens on this effectiveness is shown. This effec-tiveness is a1so determined by the length of the outflowing channels, their length ratio and the discharges in these channels. Some aspects for testing this measure in the Jamuna river are described, which may be carried out after the confirmation of the presented study results by further scale nodel inves-tigations.
Year: 1993