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BS 1377 : Part 5 : 1990 |
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| Consolidation
test - calculations |
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| Location |
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Job ref. |
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Borehole/Pit
no. |
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| Soil description |
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Sample
No. |
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Depth |
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m |
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Date |
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| Test
method BS1377: Part
5: 1990 |
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| Machine no. |
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Specimen
diameter |
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mm |
Height H0 |
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mm |
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Height of
Solids Hs |
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:1 |
Area |
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mm2 |
| Ring no. |
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Initial
voids ratio eo |
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kPa |
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| VOIDS RATIO |
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COMPRESSIBILITY |
COEFFICIENT
OF CONSOLIDATION |
| Increment no |
Pressure |
Cumulative |
Consolidated |
Voids |
Incremental |
mv= |
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H= |
cv |
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p |
Compression |
height |
Ratio |
Height |
Pressure |
(dH)*(1000) |
t50 |
1/2(H1+H2) |
0.026H |
0.11H |
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(dH - y) |
H= |
e= |
change |
change |
H1
dp |
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t50 |
t50 |
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Ho-(dH-y) |
(h-Hs)/Hs |
dH |
dp |
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kPa |
mm |
mm |
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mm |
kPa |
m2/MN |
min |
mm |
m2/year |
m2/year |
| 0 |
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0 |
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0 |
0 |
0 |
- |
- |
- |
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- |
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Operator |
Checked |
Approved |
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Form 5D |
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