The National Academies

NCHRP 24-43 [Final]

Relationship Between Erodibility and Properties of Soils

  Project Data
Funds: $300,000
Research Agency: Texas A&M University
Principal Investigator: Jean-Louis Briaud, Ph D, PE
Effective Date: 8/11/2015
Completion Date: 11/30/2018
Comments: Final Report 915 is now available.

NCHRP Report 915: Relationship between Erodibility and Properties of Soils —now published—provides state transportation geotechnical engineers, hydraulic engineers, structural engineers and other practitioners with a detailed analysis and a searchable spreadsheet that uses statistical techniques to relate geotechnical properties to soil erodibility. The appendices include a searchable database that includes compiled erosion data from the literature review and a plethora of erosion tests. It contains equations that may be used to estimate the erosion resistance of soil and determine whether erosion tests are needed.

NCHRP-Erosion—a relational global erosion spreadsheet—allows the user to perform multiconditional inquiries between erodibility parameters and soil geotechnical properties.
The following appendices to NCHRP Report 915 were published online in a single Appendices Report.
Appendix 1: Erosion Test Results Spreadsheets,
Appendix 2: Geotechnical Properties Spreadsheets,
Appendix 3: First and Second Order Statistical Analyses Results,
Appendix 4: Deterministic Frequentist Regression Analysis, and
Appendix 5: Probabilistic Calibration Results.
NCHRP-Erosion and the Appendices Report may be downloaded here.

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