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What is Surface Roughness Impact on Fall-Cone Test about?
The discussion by Llano-Serna et al. examines the impact of surface roughness and shear rate on fall-cone calibration, revealing that variations in roughness (Ra values from 0.8 to 4.7 μm) do not significantly affect cone penetration results for fine-grained soils. The authors emphasize that relying solely on the Ra parameter for roughness characterization may be misleading, suggesting a need for a combination of roughness parameters. Additionally, they highlight the importance of natural variation in the r
- Author
- demirsuleymann
- Language
- EN