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Type of specimen Undisturbed/compacted* |
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Nominal diameter |
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mm |
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Preparation procedure |
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Specimen details |
Initially |
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After test |
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Sketch showing specimen |
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location in original sample |
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Diameter |
D mm |
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Mass |
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g |
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| Area |
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Ao
mm2 |
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Dry mass |
g |
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| Length |
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Lo mm |
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Moisture |
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| Volume |
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cm3 |
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Content |
% |
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| Mass |
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g |
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| Density |
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Mg/m3 |
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Compression test Single
stage/Multistage, Stage* |
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Machine no |
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Rate of |
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Cell pressure |
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Deformation |
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mm/min |
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kPa |
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Membrane thickness |
Force device no. |
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Mean calibration |
Stress factor |
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mm |
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n/division |
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kPa/division |
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Deformation |
Compression |
Strain |
Force gauge |
Axial force |
Correct |
Measured deviator stress |
| gauge |
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of specimen |
e =
DL |
reading |
P |
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area |
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| reading |
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DL |
Lo |
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A = Ao |
(s1-s3)
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1000P |
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1 - e |
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A |
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mm |
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N |
mm2 |
kPa |
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Sketch of |
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Measured deviator stress |
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kPa |
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failure conditions |
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Membrane correction |
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kPa |
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Corrected deviator stress |
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kPa |
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Axial strain |
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% |
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Inclination of |
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Shear stress cu |
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kPa |
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Shear surface |
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* Delete as appropriate |
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