Dredging is by and large the process of excavation that is carried out it water, shallow or fresh waters, where the main objective is to collect together the sediments that may be lying underneath and have them disposed of at some other site. This post will be taking a particular look at some of the common kinds of dredgers used in the maritime industry.
One thing that needs to be as clear for you is that there may be quite a host of the reasons as to why you will want to have the dredging process done on a seabed. These may be such as for the need to make the water navigation and fishing activities easier more so in the shallow waters. The other reason that has led to the need for dredging is to help with the replenishing of the sand on the public beaches that may as well have been so seriously depleted and washed away over time with the effects of erosion on the coast. Over and above these, a dredging process may as well be called for looking at the fact that they will get to help when there is the need to remove contaminants from the seabed and as well reclaim some of the parts of the sea that may have been damaged by oil spills and some other kinds of natural calamities. And still, you can use the dredging process to help with the need to create new harbors.
By and large, it has to be noted that there may come some serious adverse effects to the process of dredging but it may as well happen to be the only option available to pursue in some cases. So as to help know of some of the basics and definitions of the terms and gadgets going forward, it should be noted that the dredge is the device that will be scraping the seabed in real sense and the water vessel, ship or any other, upon which the dredge is fitted is the dredger. This said and done, it must as well be noted as a fact that these terms can as well be used so interchangeably anyway.
Looking at the various kinds of the dredgers as available out there, you need to know of the fact that they happen to be available of three categories widely and these are the mechanical dredgers, the hydraulic dredgers and the other dredger types. But whatever the class the dredger may be in, the kinds that have been seen to be quite effective at removing sediments at seabed are such as the trailer suction hopper dredges, cutter suction dredgers, the bucket ladder dredgers, the backhoes, the grab dredgers and the last but not least are the water injection dredgers.
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