DE-Lecture01-Introduction

DE-Lecture01-Introduction - Dredging Engineering Dredging...

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Unformatted text preview: Dredging Engineering Dredging Engineering Lecture #01 Lecture #01 Introduction Introduction Luis Prieto-Portar 2010 Introduction. Dredging is essentially, raising material from the bottom of a water-covered area to the surface, and then pump it to a distant location. Another way to understand dredging is by summarizing the problems it solves: 1) Dredging the navigational channels in open water: gulfs, seas, oceans, etc. The nature of these large bodies means that the vessels have to safely handle large waves and tides, swift currents and hurricane winds. The dredge must also be capable of reaching great depths to collect the sediments, valuable ores, etc, typically down to about 100 feet. 2) Dredging close to the shorelines in order to replenish beach sands in beachside communities. 3) Dredging as a form of seafloor mining (gold, diamonds, tin, etc). 4) Dredging to clean up a contaminated environment, and then remove the contaminants from the effluent water. 5) Dredging in marshy areas that would not support mechanical equipment. 6) Dredging in-land areas to mine coal seams, shale-oil deposits, and other large ore bodies close to the surface. 7) Dredging sea sand to redeposit as new islands (such as Dubai’s Jumeira islands, Venetian Islands in Miami Beach, etc)....
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This note was uploaded on 08/29/2011 for the course CGN 4930 taught by Professor Prieto-portar during the Summer '11 term at FIU.

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DE-Lecture01-Introduction - Dredging Engineering Dredging...

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