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Title: Verification of cone criteria for determining riverbank stability
Authors: United States. Mississippi River Commission.
Strohm, William E.
Devay, Laszlo.
Keywords: Potamology
Mississippi River
Rotary cone penetrometer
River banks
Bank stability
Soil mechanics
Soil testing
Soil tests
Soil samples
Soil sampling
Soil density
Soil gradation
Sandy soils
Publisher: U.S. Army Engineer Waterways Experiment Station.
Engineer Research and Development Center (U.S.)
Series/Report no.: Potamology investigations report ; no. 18-2.
Description: Technical report
Summary: During 1964, a total of 14 cone penetration borings were made adjacent to conventional borings at five Mississippi River revetment sites in the U.S. Army Engineer District, Vicksburg. The data were analyzed using cone criteria previously developed, and the results were compared with predictions of susceptibility to flow failure based on the empirical method using gradation criteria and with soil stratification as indicated by the conventional borings . The results indicate that only 3 of the 14 locations, all of which are predicted to be susceptible to flow failure on the basis of the gradation criteria, are predicted to be unstable on the basis of the cone criteria. The performance of the riverbank at locations where previous cone penetration borings were made is discussed. No flow failures have occurred at locations of previous cone penetration borings, and it is therefore not yet possible to verify the relative accuracy of the cone thrust criteria versus the gradation criteria.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Potamology Investigations Report

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