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Author: Ronald R. Copeland
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 68
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Book Description
Author: Ronald R. Copeland
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 68
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
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Book Description
The analytical method presented herein, developed through the Flood Control Channels Research Program, is intended for use to estimate channel dimensions for preliminary design studies. It accounts for the movement of sediment and for varying roughness due to changing bed forms. It also attempts to account for the effects of bank roughness that can be significant in small channels and is essentially neglected in many approaches that assume wide channels. This analytical approach determines dependent design variables of width, slope, and depth from the independent variables of discharge, sediment inflow, and bed material composition. It is especially applicable to small streams because it accounts for transporting the bed material sediment discharge in the water above the bed, not the banks, and because it separates total hydraulic roughness into bed and bank components. A stability analysis can be done by first determining the bed material sediment load entering the project reach, and then analyzing the family of slope-width solutions that satisfy the resistance and sediment transport equations. The resulting stability curve provides many combinations of slope and base width, all of which will be stable for the prescribed channel design discharge. Combinations of width and slope that plot above the stability curve will result in degradation, and combinations below the curve will result in aggradation. The greater the distance from the curve, the more severe the instability. Alluvial streams, Sedimentation, Flood- control channels, Stability analysis, Sediment transport, Stable channels.
Author: D. G. DeCoursey
Publisher:
ISBN:
Category :
Languages : en
Pages : 239
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Book Description
This volume was written to describe how to carry out an analysis of a channel stability problem. Therefore it is rather general; only the last chapters describe problems of channel stability in the Yazoo River Basin. Detailed reports of the various research projects associated with this study of channel stability problems in the Yazoo River Basin are presented as Appendices. They are completely independent reports. The overall research program had five major objectives: (1) Determining the influence of grade control structures on channel stability; (2) Monitoring the performance of selected channel stabilization methods; (3) Evaluating the effects of geology, geomorphology, soils, land use, and climate on runoff and sediment production from major source areas; (4) Estimating the water and sediment production from a large, mixed-land-use watershed and the integrated effects on channel stability; and (5) Evaluating the relation between valley stratigraphy and channel morphology and their combined effects on channel stability.
Author: Andrew Simon
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 55
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Book Description
Author: United States. Forest Service. Northern Region
Publisher:
ISBN:
Category : Stream channelization
Languages : en
Pages : 32
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Book Description
Author: Alan F. Galbraith
Publisher:
ISBN:
Category : Kootenai National Forest (Mont. and Idaho)
Languages : en
Pages : 62
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Book Description
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 43
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Book Description
Introductory technical guidance for civil engineers and flood protection professionals interested in flood channel stability evaluation. Here is what is discussed: 1. GENERAL 2. LEVELS OF DETAIL 3. TECHNICAL APPROACHES AND THEIR APPLICATION 4. ALLOWABLE VELOCITY AND SHEAR STRESS 5. EMPIRICAL RELATIONSHIPS FOR CHANNEL PROPERTIES 6. ANALYTICAL RELATIONSHIPS FOR CHANNEL PROPERTIES 7. SEDIMENT TRANSPORT AND SEDIMENT BUDGET 8. SLOPE STABILITY 9. MEANDER GEOMETRY 10. BASINWIDE EVALUATION FOR SYSTEM REHABILITATION 11. GENERAL STEPWISE APPROACH 12. CHECKLIST OF ITEMS TO CONSIDER 13. EXAMPLE OF QUALITATIVE EVALUATIONS.
Author: David L. Rosgen
Publisher:
ISBN: 9780979130830
Category : River sediments
Languages : en
Pages :
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Book Description
Author: J. H. Bick
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 36
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Book Description
Author:
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 180
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Book Description
