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Bank Stability Analyses Versus Field Observations

by Daniel E. March, Colorado State Univ, Fort Collins, United States,
Steven R. Abt, Colorado State Univ, Fort Collins, United States,
Colin R. Thorne, Colorado State Univ, Fort Collins, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

The concept and process of stream bank stabilization design through the development and use of limiting stability curves for the comparison of existing bank height/angle combinations to predicted failure bank height/angle combinations is examined. Progressive bank failure along the outside of meander bends on Long Creek in northern Mississippi has been monitored for failure mode and bank height/angle combinations. Maximum allowable bed scour and/or bank migration graphs have been developed for the study reach cross sections. Bank stability analyses have been compared to field observations to test the applicability of bank failure analysis as a design aid.

Subject Headings: River bank stabilization | Failure analysis | Soil analysis | Hydraulic design | Failure modes | Structural design | Scour | Mississippi | United States

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