| Popis: |
This paper presents a study of the siltation process in an access channel to a port through analysis of environmental data, viz. waves, tidal currents, sediment characteristics, silt concentration and siltation at site. A rational methodology has been presented to co-relate environmental data and siltation quantity, judiciously applying the various theories available to wave propagation, littoral current, sediment transport and its trapping. The efficacy of the method is then tested to simulate the observed siltation in different phases of its development in terms of widening and deepening of the channel. It is observed that estimation of the representative environmental parameters is very important as the data collected over a long period show wide variation since sediment transport formulae available are very sensitive to these parameters. An attempt has been made in this paper to understand the mechanism of siltation in the approach channel to the port. |
Full Text from ScienceDirect