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Soluciones a Problemas de
Ingenieria de Rios
Pierre Y. JulienProfessor of Civil and Environmental EngineeringColorado State University, Fort Collins, CO 80523
pierre@engr.colostate.edu
November 19, 2008Jiutepec, Mexico
Presentation Overview
1. Flashflood in Malaysia
2. Upland Erosion Control
3. Riverbed Degradation
4. River Engineering
5. Sedimentation
6. Flashflood in Venezuela
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December 18, 2006
December 19, 2006
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December 20, 2006
December 21, 2006
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2. Upland Erosion Control
Total rainfall of Typhoon Maemi from 9/8/2003 to 9/13/2003)
South Korea
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Mangun mountain, South Korea
Upland Erosion (continued)
Sheet erosion in the Upper Mississippi River basinSheet erosion in the Upper Mississippi River basin
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Crop field area of the Imha watershed,
S.K.
Annual average:
3,450 tons/km2/year.
Soil loss maps
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CSU Watershed Model TREX
Flow Depth [ft] 100 yr Storm
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Tala HE Project
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Upland Erosion of the Loess Plateauof the Yellow River Basin
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Headcutting
Channel Sediment Sources
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Nakdong River and NREB Unsteady modeling for the upstream of NREB
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neering
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4. River Engineering
Logarithmic Velocity Profile
o
x
z
z
u
vln
1
*
=
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Aerial view of the 1993 Mississippi FloodAerial view of the 1993 Mississippi Flood
August 14August 14thth, 1991, 1991
August 19August 19thth, 1993, 1993
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Levee failure during the 1993 flood event
Riprap Design
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Dykes
PGC2
Cottage Bend
1995
1976
1984
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Slide 63
PGC2 Typical dike construction on the Mississippi RiverPhil Combs, 8/29/2002
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Example 3-D Model Mississippi
L&D No. 3
Locks and Dams
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Sedimentation Problems Can Be Solved
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5. Sedimentation Problems
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Bengal and Indus
CSU Hydraulics Laboratory
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Sediment Flushing
Nakdong River Estuary Barrage
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Los Corales
Los Corales
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Erosion and River Mechanics Textbooks
Acknowledgments
Dr. J ose Luis Lopez (UCV Venezuela) Dr. J . Ariffin (UiTM Malaysia) Dr. Sang-K il Park ( PNU South Korea) Dr. Un J i (MJ U South Korea) Dr. B. Bounvilay(NUOL, Laos) Dr. Z.Y. Wang (IRTCES China) Dr. Phil Combs (USACE-ERDC) Dr. Drew Baird (USBR) Dr. Chris Thornton (CSU) Dr. RosaliaRojas and Claudia Leon (CSU) S. Shah-Fairbank and J . Halgren (CSU)
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Muchas Gracias!Thank you very much!
pierre@engr.colostate.edu
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