Abstract
In this technical note, evolutions of the particle size distribution, particle breakage, volume deformation and input work of carbonate sands with varying relative densities were investigated through performing a series of one-dimensional compression tests. Loading stress levels ranged from 0.1 to 3.2 MPa. It was found that the initial relative density could greatly affect the magnitude of particle size distribution, particle breakage, volume deformation and input work. Particularly, it was observed that the specimen at a lower relative density underwent much more particle breakage than that at a higher relative density. This could be attributed to the change of the coordination number with the initial density. However, a unique linear relationship between the particle breakage and input work per volume could be obtained, which is independent of the initial relative density.
Abbreviations
- I D :
-
Relative density
- F(d):
-
Particle size distribution function
- \(d\) :
-
Grain diameter (mm)
- \(d_{\text{M}}\) :
-
Maximum grain diameter (mm)
- α :
-
Fractal dimension
- k ɛ :
-
Fitting parameter
- p a :
-
Atmospheric pressure (MPa)
- σ v :
-
Vertical stress (MPa)
- \(B_{\text{r}}\) :
-
Relative breakage index (%)
- \(B_{\text{p}}\) and \(B_{\text{t}}\) :
-
Breakage potential and total breakage, respectively
- \(W_{\text{in}}\) :
-
Input work per volume (J/mm3)
- χ B and k B :
-
Material constants
- \(k_{\text{B}}\) and k W :
-
Material constants
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Acknowledgements
The authors would like to acknowledge the financial support from the 111 Project (Grant No. B13024), The National Science Foundation of China (Grant Nos. 51509024, 51678094) and the Project funded by China Postdoctoral Science Foundation (Grant No. 2016M590864).
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Xiao, Y., Liu, H., Chen, Q. et al. Particle breakage and deformation of carbonate sands with wide range of densities during compression loading process. Acta Geotech. 12, 1177–1184 (2017). https://doi.org/10.1007/s11440-017-0580-y
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DOI: https://doi.org/10.1007/s11440-017-0580-y