Fig. 1. Hyperbolic stress-strain curve
Fig. 2. Transformed hyperbolic stress-strain curve
Fig. 3. Comparison between actual stress strain curve and hyperbolic model
Fig. 4. Deviator stress - axial strain plot for 5 Sites
Fig. 5. Stress-strain plot and transformed stress-strain plot for Site-A
Fig. 6. Comparison between measured plot and calculated result due to regression analysis of A-D range for Site-A
Fig. 7. Stress-strain plot and transformed stress-strain plot for Site-C
Fig. 8. Comparison between measured plot and calculated result due to regression analysis of A-D range for Site-C
Fig. 9. Comparison of original regression analysis line and modified regression analysis line of transformed stress-strain plot for Site-A and Site-C
Fig. 10. Comparison of Ei and (σ1 - σ3)ult of original regression analysis and modified regression analysis for 5 Sites
Fig. 11. Stress-strain curve calculated with original regression analysis line and modified regression analysis line for Site-A
Fig. 12. Stress-strain curve calculated with original regression analysis line and modified regression analysis line for Site-C
Fig. 13. Finding representative two points so as to determine the equation of modified regression analysis line (
Fig. 14. Estimation of parameter a and b using 2 points method for Site-A and Site-C
Fig. 15. Measured and calculated stress-strain curves for drained triaxial tests on compacted weathered soils at 5 Sites
Fig. 16. Comparison of Ei and (σ1 - σ3)ult between Duncan et al.(1980) and modified regression analysis for 5 Sites
Table 1. Summary of physical properties and modified proctor test
Table 2. Duncan-Chang model parameters calculated within range of AD for 5 Sites
Table 3. Duncan-Chang model parameters calculated within range of BC for 5 Sites
Table 4. Stress level,
Table 5. Comparison of Ei and (σ1 - σ3)ult of Duncan et al.(1980) and Modified regression analysis
References
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