How to Determine the Depth of the Dredger?

2021-07-14

If it is general engineering dredging, it depends on what cross-sectional area the dredger requires you to dig. There must be depth data (or obtained by calculation) in it; If it is for the improvement of water quality, then the depth of dredging should be considered from the perspective of environmental protection and ecology. But in any case, we have to do some preliminary work, such as collecting columnar sediment, layered analysis of pollutants (such as nitrogen and phosphorus) content, and then layered analysis of heavy metal content, dredger to do ecological hazard risk index of heavy metals. The dredger can roughly determine the dredging depth by drawing the vertical curve of these content and index values and combining with the background value of the area. Of course, we should also consider the release of some sediment.

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