OBSERVATION AND READING :-
Table 1:
Data and observation sheet for consolidation test pressure, compression
and time. :-
Depth of the sample : 2m
Description of soil :
Empty weight of ring : 635 gm
Area of ring : 4560 mm2 (45.60 cm2 )
Diameter of ring : 76.2 mm (7.62 cm)
Volume of ring : 115.82 cm3
Height of ring : 25.4 (2.54 cm)
Specific gravity of soil sample No:
Dial Gauge = 0.0127 mm (least count)
| Pressure Intensity (Kg/cm2 ) |
0.1 |
0.2 |
0.5 |
1 |
2 |
4 |
8 |
| Elapsed Time |
|
|
|
|
|
|
|
| 0.25 |
|
|
|
|
|
|
|
| 1 |
|
|
|
|
|
|
|
| 2.5 |
|
|
|
|
|
|
|
| 4 |
|
|
|
|
|
|
|
| 6.25 |
|
|
|
|
|
|
|
| 9 |
|
|
|
|
|
|
|
| 16 |
|
|
|
|
|
|
|
| 25 |
|
|
|
|
|
|
|
| 30 |
|
|
|
|
|
|
|
| 1 hr |
|
|
|
|
|
|
|
| 2 hrs |
|
|
|
|
|
|
|
| 4 hrs |
|
|
|
|
|
|
|
| 8 hrs |
|
|
|
|
|
|
|
| 24 hrs |
|
|
|
|
|
|
|
Observation Sheet for Consolidation Test : Pressure Voids Ratio
| Applied pressure |
Final dial reading |
Dial change |
Specimen hieght |
Height solids |
Height of voids |
Void ratio |
| 0 |
|
|
|
|
|
|
|
| 0.1 |
|
|
|
|
|
|
|
| 0.2 |
|
|
|
|
|
|
|
| 0.5 |
|
|
|
|
|
|
|
| 1.0 |
|
|
|
|
|
|
|
| 2.0 |
|
|
|
|
|
|
|
| 4.0 |
|
|
|
|
|
|
|
| 8.0 |
|
|
|
|
|
|
|
| 4.0 |
|
|
|
|
|
|
|
| 2.0 |
|
|
|
|
|
|
|
| 1.0 |
|
|
|
|
|
|
|
| 0.5 |
|
|
|
|
|
|
|
| 0.2 |
|
|
|
|
|
|
|
| 0.1 |
|
|
|
|
|
|
|