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Flow and Scour Patterns around Gabion Structures

by Yaw Adom Owusu, Oregon State Univ, Corvallis, OR, USA,
Peter C. Klingeman, Oregon State Univ, Corvallis, OR, USA,



Document Type: Proceeding Paper

Part of: Water for Resource Development

Abstract:

There is a need for simple, inexpensive and effective means for streambank protection and fish habitat enhancement. Initial results are presented of laboratory research on the performance of gabion structures used as groins for streambank protection and fish habitat enhancement in small streams. Qualitative study of flow patterns and streambed scour patterns associated with various arrangements of gabions was undertaken. Single gabions with length-to-channel-width ratios of 1:2 are discussed here. Results are found to be in agreement with a field study.

Subject Headings: Fish and fishery management | Scour | River bank stabilization | Flow patterns | Groins (structure) | Field tests | Coastal protection structures

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