Laboratory Test Sheet
Consolidation undrained triaxial compression test with measurement of
pore pressure - BS 1377 : Part 5 : 1990 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Consolidation
undrained triaxial compression test with measurement of pore pressure |
| Location |
|
Job ref. |
|
| Borehole/Pit
no. |
|
| Soil
description |
|
Sample No. |
|
| Depth |
|
| Date |
|
| Group/Type |
|
Date Form |
|
| Test
method BS1377: Part
8: 1990
Clause 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Pressure system
no. |
|
Membrane |
|
Start compression |
Failure |
Max.deviator stress |
Nominal |
|
kPa |
| Cell no. |
|
Thickness mm |
Lc |
|
mm |
Criterion* |
Max.stress ratio |
Cell pressure |
|
kPa |
| Machine no. |
|
With/without* |
|
Ac |
|
mm2 |
|
Critical state |
Machine speed |
|
mm/min |
| Force device
no. |
|
side drains |
Vc |
|
cm2 |
|
Axial strain of % |
Rate of strain |
|
% per h |
| Date |
Time |
Axial strain |
Area |
Axial force |
Pore |
Deviator stress |
Principal stresses |
A |
Stress Path* |
| |
Pressure |
Coeff. |
| Reading |
DL |
e |
As |
Reading |
Diff- |
Cr |
P |
u |
u - uo |
(s1 - s3)m |
smb + sdr |
(s1 - s3) |
s1 |
s1' |
s3' |
Ratio |
u - uo |
s' |
t' |
| |
|
|
|
erence |
|
|
|
|
|
|
|
|
|
|
s1' / s3' |
s1 - s3 |
|
|
| mm |
|
mm2 |
R |
R-Ro |
N/div |
N |
kPa |
kPa |
kPa |
kPa |
kPa |
kPa |
kPa |
kPa |
|
|
kPa |
kPa |
|
|
|
0 |
0 |
|
|
0 |
|
0 |
|
0 |
|
|
0 |
|
|
|
1 |
|
|
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Operator |
Checked |
Approved |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| *Delete as
appropriate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Form 8D |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
