Dredging Methods in the US and South Korea Pierre Y. Julien - - PDF document

dredging methods in the us and south korea
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Dredging Methods in the US and South Korea Pierre Y. Julien - - PDF document

4/9/2015 Dredging Methods in the US and South Korea Pierre Y. Julien Colorado State University World Water Forum Daegu, April 2015 Dipper Dredge, NY, USACE Clamshell Dredge 1 4/9/2015 Mystic River Clamshell Dredge, New England


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Dredging Methods in the US and South Korea

Pierre Y. Julien

Colorado State University

World Water Forum

Daegu, April 2015

  • Dipper Dredge, NY, USACE

Clamshell Dredge

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  • Mystic River Clamshell Dredge, New England District, USACE

Hopper Dredge

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Dustpan Dredge Cutterhead Dredge

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  • Closed-nose Basket Cutterhead Dredge, Delaware River, USACE
  • Open-nose Basket Cutterhead Dredge, Savannah River , USACE
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Disposal site for dredged material

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From Julien River Mechanics CUP 2002

  • Middle Rio Grande, NM, USBR
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  • Middle Rio Grande, NM, USBR
  • Middle Rio Grande, NM, USBR

River Widening and Retrofitting

Nakdong River near Busan, South Korea

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Nakdong River Estuary Barrage

  • from Ji et al. ASCE-JHE, Nov. 2011

Nakdong River Estuary Barrage  16 weirs were constructed under the Four River

Restoration Project (2009-2012)

 After the construction of weirs, sedimentation

problems have been occurring upstream of Weirs

  • Feb. 3rd, 2014

Problem Statement

Ipo Weir 10 km upstream (Jun. 18th, 2012)

  • From Hwayoung Kim, PhD research at CSU, 2016

Thank you. Questions?

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  • Photo of Sangju Weir in South Korea from Hwayoung Kim