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Dredging can be done to recover materials of commercial value; these may be high value minerals or sediments such as sand and gravel that are used by the construction industry. [2] Dredging is a four-part process: loosening the material, bringing the material to the surface (together extraction), transportation and disposal. [1]
Land dredging is also another method of land reclamation. It is the removal of sediments and debris from the bottom of a body of water. It is commonly used for maintaining reclaimed land masses as sedimentation, a natural process, fills channels and harbors.
A dredge drag head is used by a trailing suction hopper dredger to collect sand from the sea floor.. Dredge drag head The dredge drag head of a suction dredge barge on the Vistula River, Warsaw, Poland The same dredge drag head and the suction pipe.
Hydrographic survey is the science of measurement and description of features which affect maritime navigation, marine construction, dredging, offshore wind farms, offshore oil exploration and drilling and related activities. Surveys may also be conducted to determine the route of subsea cables such as telecommunications cables, cables ...
A suction excavator, or vacuum excavator, is a construction vehicle that removes heavy debris or other materials from a hole on land using vacuuming. Suction excavators are meant to be less destructive than regular excavators . [ 1 ]
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Construction equipment being used to dig up rocky ground. Although humans are capable of digging in sand and soil using their bare hands, digging is often more easily accomplished with tools. The most basic tool for digging is the shovel. [1] In neolithic times and earlier, a large animal's scapula (shoulder blade) was often used as a crude ...
One or more, Dredging pumps to create an under pressure in order to suck the substance into the hopper; Transportation tubes to transport the substance from the pipes to the hopper; An overflow to discharge the redundant water overboard; Degassing installation to extract any possible gas from the substance in order to reduce damage and increase ...