Research Article
May 1964
Control Structures for Sand-Bed Channels
Authors: Frederick C. Stepanich, AM.ASCE, Daryl B. Simons, M.ASCE, and Everett V. Richardson, M.ASCEAuthor Affiliations
Publication: Journal of the Waterways and Harbors Division
Volume 90, Issue 2
Abstract
A laboratory study demonstrated the feasibility of constructing a relatively short channel to serve as a control structure to stabilize the depth-discharge relation in an alluvial sand channel. The large variations and discontinuities present in depth-discharge relations for alluvial sand channels resulting from scour and fill and changes in bed configuration are eliminated by this control. Such a structure also creates sufficient turbulence to suspend the bed material of the channel so that conventional suspended sediment samplers can be used to measure the total sediment discharge. The control was effective with a moderate amount of head loss, so that backwater effects and downstream erosion were minimal. The rock channel control should be more economical to construct than other concrete controls that are described. However, prototype studies are needed to develop the design specifications for the controls.
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Published In
Journal of the Waterways and Harbors Division
Volume 90 • Issue 2 • May 1964
Pages: 1 - 46
Copyright
© 1964 American Society of Civil Engineers.
History
Published in print: May 1964
Published online: Feb 12, 2021
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Authors
Affiliations
Frederick C. Stepanich, AM.ASCE
Hydr. Engr., Tipton-Kalmbach, Denver, Colo.
Daryl B. Simons, M.ASCE
Prof. of Civ. Engrg.; Acting Chf., Civ. Engrg. Research Sect., Colorado State Univ., Fort Collins, Colo.
Everett V. Richardson, M.ASCE
Hydr. Engr., U. S. Geological Survey, Colorado State Univ., Fort Collins, Colo.
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