Environmental Engineering Reference
In-Depth Information
Table 5.5.
The applicability and usefulness of
in situ
tests (Lunne et al., 1997).
Soil Parameters
Ground Type
Soil
Hard Soft
Group
Device
type
Profile
u*
S
u
I
D
m
v
c
v
kG
o
h
OCR
-
rock
rock
Gravel
Sand
Silt
Clay Peat
Penetro-
Dynamic
C
B
-
C
C
C
-
-
-
C
-
C
-
-
C
B
A
B
B
B
meters
Mechanical
-
C
C
A
A
A
A
Electric (CPT)
B
A/B
-
C
C
B
C
-
-
C
C
C
-
-
C
C
A
A
A
A
Piezocone (CPTU)
B
A
-
C
B
A/B
C
-
-
B
B/C
B
-
-
C
C
A
A
A
A
Seismic
A
A
A
B
B
A/B
B
A/B
B
B
B/C
B
C
-
C
-
A
A
A
A
(SCPT/SCPTU)
Flat dilatometer
A
A
A
B
A/B
A/B
B
A/B
B
A
B
B
B
C
C
-
A
A
A
A
(DMT)
Standard
B
A
C
B
B
C
B
-
-
B
B
B
C
-
C
B
A
A
A
A
penetration test
(SPT)
A
B
-
C
C
B
-
-
-
C
-
C
-
C
C
-
A
A
A
A
Resistivity probe
B
B
-
B
C
A
C
-
-
-
-
-
-
A
A
B
B
B
A
B
Pressure- Pre-bored (PBP)
B
B
-
C
B
C
B
C
-
B
C
C
C
-
B
-
B
B
A
B
A
1
BBB B
1
B
2
A/B
2
meters
Self boring (SBP)
B
B
A/B
B
-
C-
B
B
AA
A
2
Full displacement
B
B
-
C
B
C
C
C
-
CC C-
-
-
-
-
AB
(FDP)
Others
Vane
B
C
-
-
A
-
-
-
-
-
-
B/C
B
B
A
B
B
A
A
A
Plate load
C
-
-
C
B
B
B
C
C
A
C
B
B
-
-
-
A
A
A
A
Screw plate
C
C
-
C
B
B
B
C
C
A
C
B
-
A
A
A
A
A
A
B
Borehole
C
-
A
-
-
-
-
B
A
-
-
-
-
B
B
-
-
C
A
C
permeability
Hydraulic fracture
-
-
B
-
-
-
-
C
C
-
B
-
-
A
A
A
A
A
A
A
Crosshole/down-
C
C
-
-
-
-
-
-
-
A
-
B
-
hole/surface
seismic
Will depend on soil type;
1
Only when pore pressure sensor fitted;
2
Applicability: A
high; B
moderate; C
low; -
none.;
*
Only when
displacement sensor fitted. Soil parameter definitions:
u
in situ
static pore pressure;
effective internal friction angle;
S
u
undrained shear strength;
m
v
constrained modulus;
c
v
coefficient of consolidation;
k
coefficient of permeability;
G
o
shear modulus at small strains;
h
horizontal stress;
OCR
overconsolidation ratio;
-
stress-strain relationship;
I
D
density index.
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