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Title: Verification of empirical method of determining slope stability, 1956 data
Authors: United States. Mississippi River Commission
U.S. Army Engineer Waterways Experiment Station
Keywords: Potamology
Mississippi River
Soil mechanics
Soil testing
Soil tests
Soil sampling
Soils data
Slope stability
River banks
Bank erosion
Flow failure
Soil liquefaction
Revetment failure
River banks
Publisher: U.S. Army Engineer Waterways Experiment Station.
Engineer Research and Development Center (U.S.)
Series/Report no.: Potamology investigations report ; no. 12-7.
Description: Potamology Report
Summary: This report is the fourth of a series in which new data obtained from borlngs made for revetment construction are analyzed to determine the applicability of the empirical method for predicting bank stability with regard to liquefaction failures. Data obtained principally in fiscal year 1956 are analyzed, and stability predictions are made for 17 new areas. Failures at sites previously analyzed also are discussed. Bank failures occurred during 1956 at seven sites that had been studied previously. Failures at four of these sites were of the flow type; the failures at three of these sites occurred in reaches that had been predicted to be subject to this type of failure. Failures at the other three sites are believed to have been caused by scour or were of the shear type. Flow failures to date, including failures reported in 1955 and 1956, have occurred at reaches of five of the 22 sites predicted to be susceptible to this type of failure. The stability of banks with respect to flow slides appears to be related to the empirical criteria set forth in this report. However, the degree of accuracy of the criteria has yet to be established.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Potamology Investigations Report

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