uniten iv solutions - engr.colostate.edupierre/ce_old... · 370 0 10 203040 50 60 distance from...
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Pierre Y. Julien
Reservoir Sedimentation: Problems and Solutions
Department of Civil EngineeringColorado State University
Fort Collins, Colorado
UNITEN-TNBR Short CourseKuala Lumpur – July 21 2006
Objectives
Brief overview of Solutions to Reservoir Sedimentation Problems:
1. Upland Erosion Control;2. River Sedimentation Solutions;3. Reservoir Sedimentation Solutions.
1. Upland Erosion Control
Tala HE Project
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Upland Erosion of the Loess Plateau of the Yellow River Basin
Small Checkdam (Kalong II)
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2. River Sedimentation Solutions
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Environmental Considerations Example 3-D Model Mississippi
Dykes Cottage Bend
1995
1976
1984
3. Reservoir Sedimentation Solutions
L&D No. 3
Locks and Dams
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Sedimentation Problems Can Be Solved
Wonogiri survey paths
Bed Profile - 1988
250
270
290
310
330
350
370
0 10 20 30 40 50 60
Distance from Main Dam (KM)
Elev
atio
n (m
)
OGL,1967SURVEYED,1988SIMULATED,1988
Reservoir storage capacity of Sempor Dam
30
35
40
45
50
55
60
65
70
75
0 5 10 15 20 25 30 35 40 45 50
Volume (million m3)
Ele
vatio
n (m
)
197719811982198419942004
Volume (million m3)
Elev
atio
n (m
)
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Sediment Plug1,400 cfs
Fuensanta reservoir of the river Segura in Spain Bengal and Indus
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Sediment Flushing
CSU Hydraulics Laboratory
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Acknowledgments
• Dr. Phil Combs (USACE-ERDC)• Dr. Drew Baird (US Bureau of Reclamation)• Dr. Sang-Kil Park ( PNU)• Dr. Y. Lan and D. Elsner (URS)• Dr. Gigi Richard (Mesa State College)• Un Ji and James Halgren (CSU)• Dr. Z.Y. Wang (IRTCES)• Dr. Chris Thornton (CSU – Hydraulics Lab.)• Dr. Dan Gessler, CSU and Alden Labs
Erosion and River Mechanics Textbooks
TEST
THANK YOUfor your
participation!