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Report from Virginia Tech Center for Geotechnical Practice and Research, December 2000
By Michael Pockoski and J. Michael Duncan
The objective of this report is to evaluate several limit equilibrium computer programs for analysis of reinforced and unreinforced slopes. The computer programs included in the study are: UTEXAS4©, SLOPE/W©, SLIDE©, XSTABL©, WINSTABL©, RSS©, SNAIL and GoldNail. The evaluation includes comparison of the features of the programs, with particular attention to the issues that relate to the ease of use, breadth of applicability, accuracy, and efficiency. Also included in the evaluation is a comparison of results from a series of example problems.
A Summary Table of Program Ratings is available, or download the entire report, broken into PDF files that can be easily referenced.
Summary Table of Program Ratings
Table of Contents
Program Review / Lessons Learned
Objective and Method, Program Highlights, Summary Table of Program Features
Table of Analysis Methods, Program Ratings, Summary Table of
Program Ratings, Analysis Difficulties
Appendix A - Results for example problems - Tables
Appendix B - Example slopes and critical slip surfaces
Unreinforced Homogenous Slope - Slope 1
Unreinforced Homogenous Slope with a Crack - Slope 2
Unreinforced Layered Slope - Slope 3
Tiedback Wall in Layered Soils -Slope 4
Tiedback Wall in Homogeneous Sand - Slope 5
Tiedback Wall in Fill Over Strength Residual Soil - Slope 6
Soil Nailed Wall in Homogeneous Clay - Slope 7
Soil Nailed Wall in Layered Soil - Slope 8
Soil Nailed Wall in Silty Sand - Slope 9
15ft Mechanically Stabilized Earth Wall - Slope 10
35ft Mechanically Stabilized Earth Wall - Slope 11
Appendix C - Detailed notes for each program
Appendix D - Calculations
Appendix E - References
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