BS 1377 Part 6 1990
Hydraulic cell consolidation test : consolidation readings
Location
Job Ref:
BH No.
Soil Description
Sample No.
Depth
Test method
BS1377: Part 6:
1990 :
3.5,3.6,3.7,3.8
Date
Drainage conditions
Pore pressure measurement location
Cell no.
Pressure system no.
UNDRAINED LOADING
Stage no.
Load increment/decrement*
Effective stress
kPa
Initially
After pore pressure
Pore pressure build-up
build up
Diaphragm pressure
kPa
p
d
Time min
Pore pressure kPa
Stress on specimen
kPa
s
Pore pressure
kPa
u
i
Effective stress
kPa
s
'
Compression gauge
Effective stress after consolidation
kPa
Back pressure for consolidation
kPa
u
b
Excess pore pressure
(u
f
- u
b
) kPa
CONSOLIDATION
Average temperature
o
C
Date
Clock
Elapsed
Pore pressure
Compression gauge
Volume change
time
time
/ t
Value
difference
dissipation
Reading
Difference
Reading
Difference
or
t
0.485*
u
(u
i
- u)
U
dH
dV
min
kPa
kPa
%
mm
mL
mL
0
0
0
0
0
0
Operator
Checked
Approved
Form6C