TRB’s National Cooperative Highway Research Program (NCHRP) has released the pre-publication version of NCHRP Research Report 915: Relationship Between Erodibility and Properties of Soils, which provides develop reliable and simple equations quantifying the erodibility of soils based on soil properties.
The report a detailed analysis of the issue. In addition, the project that developed the report also produced a searchable spreadsheet that uses statistical techniques to relate geotechnical properties to soil erodibility. The spreadsheet, NCHRP Erosion, includes a searchable database that includes compiled erosion data from the literature review and a plethora of erosion tests. It contains equations which may be used to estimate the erosion resistance of soil and determine whether erosion tests are needed.
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 Statically Analysis Results
Appendix 4 – Deterministic Frequentists’ Regression Analysis
Appendix 5 – Probabilistic Calibration Results
Table of Contents
|Chapter 1. Introduction||35-43|
|Chapter 2. Existing Erosion Tests||44-77|
|Chapter 3. Existing Correlations Between Soil Erodibility and Soil Properties||78-98|
|Chapter 4. Erosion Experiments||99-145|
|Chapter 5. Organization and Interpretation of the Data||146-163|
|Chapter 6. Comparison of Selected Soil Erosion Tests by Numerical Simulations||164-196|
|Chapter 7. Correlation Equations Development||197-323|
|Chapter 8. Most Robust Correlation Equations||324-346|
|Chapter 9. Conclusions and Recommendations||347-364|
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