Is it possible for geotextile reinforced embankments to have an increase in the Factor of safety together, with the increase in deformation below the toe of the embankment?
The R squared values between the two parameters are over 0.9 which indicates a strong correlation.
Dear Ridz Aqil
The increase in FOS is very small and can be neglected.
Dear Mr Aqail:
The factor of safety against breakage might slightly increase with the increase of deformation.
However, the factor of safety against pull out might not increase with the increase in deformation because the interface friction and contact area would not change.
Additionally, the significance of the relationship is a function of the degree of freedom. How many specimen you are basing your evaluation.
In summary, there might be a slight increase but might not be significant.
Dr. Fawzi
Dear Ridz Aqil
Relating to your work, i think the following paper can help you:
Chai and Bergado 1993 "Performance of reinforced embankment on Muar clay Deposit" Soil and Foundation 33(4) 1-17.
This case is in Malaysian soil
good luck
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