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BS 1377 : Part 4 : 1990 |
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| Dry
density/moisture content relationship (rammer) |
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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 |
| Test
method BS1377: Part 4: 1990: 3.3/3.4/3.5/3.6* |
Date |
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| Procedure 2.5/4.5kg* hand/mechanical rammer* |
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____________layers____________blows per layer |
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One litre/CBR* mould |
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Volume of mould (V) |
cm3 |
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Single sample/separate batches* |
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| Initial sample mass |
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g |
Particle
density |
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Mg/m3 |
| Retained on
20mm/37.5mm* sieve |
g |
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% |
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| Test
number |
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| Mass of
mould+base+compacted |
g |
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specimen (m2) |
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| Mass
mould+base (m1) |
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g |
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| Mass compacted
specimen (m2-m1) |
g |
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| Bulk density |
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Mg/m3 |
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P=(m2-m1)/(18.15h) |
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| Moisture
content container No. |
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| Moisture
content (w) |
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% |
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| Dry
density |
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Mg/m3 |
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Pd=(100p)/(100+w) |
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| *Delete as
appropriate |
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Maximum
dry density |
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Mg/m3 |
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Optimum
moisture content |
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% |
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| dry density
Mg/m3 |
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Moisture Content % |
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Operator |
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Checked |
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Approved |
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Form 4A |
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