Check dams, morphological adjustments and erosion control in torrential streams

Check dams, morphological adjustments and erosion control in torrential streams / Carmelo Consesa Garcia and Mario Aristide Lenzi, editors.

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Bibliographic Details
Other Authors: Consesa Garcia, Carmelo, Lenzi, Mario A. (Mario Aristide)
Format: eBook
Language:English
Published: New York : Nova Science, ©2010.
Series:Environmental science, engineering and technology series.
Subjects:
Dams.
Stream channelization.
Soil conservation.
Barrages.
dams (hydraulic structures)
TECHNOLOGY & ENGINEERING > Civil > Dams & Reservoirs.
Barrages
Dams
Soil conservation
Stream channelization
Online Access:Click for online access
Table of Contents:
  • Check dams, morphologicaladjustments and erosion controlin torrential streams
  • contents
  • preface
  • about the editors
  • traditional uses of check dams:a global and historical introduction
  • abstract
  • introduction
  • settings
  • materials
  • functions
  • conclusion
  • references
  • criteria for optimizing check dam locationand maintenance requirements
  • abstract
  • 2.1. introduction
  • 2.2. factors influencing check dam location
  • 2.3. environmental impacts of check dams
  • 2.4. design criteria for check dam structures
  • 2.4.1. Distance between Check Dams and Effective Check Dam Height2.4.2. Drainage Area
  • 2.4.3. Height
  • 2.4.4. Number of Check Dams Needed Along a Channel
  • 2.4.5. Maximum Discharge and Spillway Dimensions
  • 2.4.6. Spillway Design
  • 2.5. THE EFFECT OF POROUS CHECK DAMS ON FINE SEDIMENTRETENTION
  • 2.6. STABILITY OF CHECK DAMS
  • 2.6.1. Gravity or Bulk Dams
  • 2.6.2. Temporary Check Dams
  • 2.7. MAINTENANCE CONSIDERATIONS
  • 2.7.1. Erosion Control
  • 2.7.2. Size of Gully and Its Relationship to a Torrent
  • 2.7.3. Criteria for the Selection of Gully Control Measures2.7.4. Criteria for Protection Measures
  • CONCLUSIONS
  • REFERENCES
  • MODERN STRATEGIES FOR TORRENT CONTROL:SLIT AND W-WEIR CHECK DAMS
  • ABSTRACT
  • INTRODUCTION
  • HYDRAULIC BEHAVIOUR OF A SLIT CHECK DAM
  • THE CONTROL PROBLEM FOR A SLIT CHECK DAM WITHA LINEAR CROSS-SECTION
  • THE DESIGN PROBLEM FOR A SLIT CHECK DAM WITH ALINEAR CROSS-SECTION
  • SLIT CHECK DAM WITH AN HYPERBOLIC CROSS-SECTION
  • HYDRAULIC BEHAVIOUR OF A W-WEIR CHECK DAM
  • EXPERIMENTAL INVESTIGATION ON W-WEIR
  • CONCLUSION
  • A) Methods based on Thiîry's equationb) Methods based on Valentini's formula
  • c) Methods based on threshold velocity of water for bed-load movement or deposition
  • d) Methods based on critical potential stress for the movement of bed-load
  • e) Regional analytical dependencies
  • 3.2. The Structural Analysis Design of the Check Dams
  • 3.3. Effects of Check Dams
  • a) Bedload Retention
  • b) Reduction of Bed Slope
  • c) Stabilisation Effect
  • d) Summary Effect of Check Dams in Torrent Channels

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