P1556_FINAL_TESTS AND ANALYSES.pdf
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- Attached to
- P1556 10th Marines Maintenance and Operations Complex, Marine Corps Base (MCB) Camp Lejeune, North Carolina
- Solicitation number
- N4008525R2532
About this file
This document is a comprehensive Cone Penetrometer Test (CPT) report for a geotechnical investigation at Camp Lejeune, North Carolina. The sounding (SCPTu-01) was conducted on September 27, 2023, with a ground surface elevation of approximately 21.0 feet and water depth of 12.5 feet. The investigation provides detailed soil behavior type classification, including depth-based analysis of soil properties such as constrained deformation modulus, vertical stress, settlement predictions, pore pressure, friction ratio, and undrained shear strength.
The report includes multiple graphical representations showing soil characteristics at different depths, ranging from 0 to 100 feet. Key observations include variations in soil composition, with zones transitioning between silty sand, sand, and clayey materials. The analysis utilizes methods from Robertson & Campanella (1983) and Kulhawy & Mayne (1990) to interpret soil properties, with specific focus on parameters like angle of internal friction, sensitivity, and undrained shear strength. The data can be used for geotechnical engineering assessments, foundation design, and understanding subsurface conditions at the specific location within Camp Lejeune.
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Text version
SEISMIC TEST
Depth 6.17ft Ref*
Arrival 11.60mS Velocity*
Depth 9.45ft Ref 6.17ft
Arrival 15.86mS Velocity 708.38ft/S
Depth 12.73ft Ref 9.45ft
Arrival 19.57mS Velocity 847.13ft/S
Depth 16.01ft Ref 12.73ft
Arrival 24.14mS Velocity 699.68ft/S
Depth 19.29ft Ref 16.01ft
Arrival 28.44mS Velocity 750.63ft/S
Depth 22.57ft Ref 19.29ft
Arrival 33.01mS Velocity 709.19ft/S
Depth 25.85ft Ref 22.57ft
Arrival 37.73mS Velocity 687.86ft/S
Depth 29.13ft Ref 25.85ft
Arrival 42.34mS Velocity 706.79ft/S
Depth 32.41ft Ref 29.13ft
Arrival 47.50mS Velocity 632.73ft/S
Depth 35.70ft Ref 32.41ft
Arrival 50.74mS Velocity 1007.31ft/S
Depth 38.98ft Ref 35.70ft
Arrival 52.85mS Velocity 1549.48ft/S
Depth 42.26ft Ref 38.98ft
Arrival 53.94mS Velocity 2990.06ft/S
Depth 45.54ft Ref 42.26ft
Arrival 55.82mS Velocity 1745.02ft/S
Depth 48.82ft Ref 45.54ft
Arrival 57.85mS Velocity 1611.39ft/S
Depth 52.10ft Ref 48.82ft
Arrival 60.86mS Velocity 1088.54ft/S
Depth 55.38ft Ref 52.10ft
Arrival 63.32mS Velocity 1330.77ft/S
Depth 58.66ft Ref 55.38ft
Arrival 65.03mS Velocity 1905.83ft/S
Depth 61.94ft Ref 58.66ft
Arrival 66.95mS Velocity 1711.65ft/S
Depth 65.22ft Ref 61.94ft
Arrival 68.20mS Velocity 2621.34ft/S
0 10 20 30 40 50 60 70 80 90 100
Depth 68.50ft Ref 65.22ft
Arrival 70.97mS Velocity 1181.60ft/S
Time (mS)
Hammer to Rod String Distance (ft): 3.28
* = Not Determined
COMMENT:
SEISMIC TEST
Depth 71.78ft Ref 68.50ft
Arrival 72.96mS Velocity 1645.16ft/S
Depth 75.07ft Ref 71.78ft
Arrival 76.40mS Velocity 953.54ft/S
Depth 78.35ft Ref 75.07ft
Arrival 78.28mS Velocity 1748.30ft/S
Depth 81.63ft Ref 78.35ft
Arrival 81.71mS Velocity 953.68ft/S
0 10 20 30 40 50 60 70 80 90 100
Depth 84.91ft Ref 81.63ft
Arrival 83.98mS Velocity 1447.06ft/S
Time (mS)
Hammer to Rod String Distance (ft): 3.28
* = Not Determined
COMMENT:
P R
O
JE
C T: P
-1556C P
T -- P
R E
D
IC
T E
D S
E T
T L
E M
E N
T
IN
-S
IT
U
S O
IL
T
E S
T
IN
G , L
.C
E N
G
IN
E E
R : R
. F ailm ezg er, P.E
., F. A S
C E
, D G
E S
O U
N D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet
10 100 1000
CONSTRAINED DEFORMATION
MODULUS, M (tsf)
D E
P T
H
Z fe et
0.0 0.5 1.0 1.5 2.0 TOTAL SETTLEMENT, S (inches)
D E
P T
H
Z fe et
0 1 2 3
VERTICAL STRESS
INCREMENT (tsf)
S O
U N
D
IN
G D
A T
E : S ep
, 2
L O
C A
T
IO
N : C am p
L ejeu n e, N o rth
C aro lin a N
2,501,614 E 366,663
Water Depth: ~12.5 feet
0 1 2 3 4 5 VERTICAL STRAIN, v, (%)
O
JE
C T: P
-1556
IN
-S
IT
U S
O
IL
T E
S T
IN
G
, L .C
E n g in eer: R
. F ailm ezg er,P.E
.,F. A S
C E
,D G
E S
O U
N D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C a m p L e je u n e, N o rth C aro lin a N
,5
01,614 E 366,663
S O
U N
D
IN
G D
A T
E : S e p
27, 2023
Zone qT/N60 Soil Behavior Type Zone qT/N60 Soil Behavior Type
1 2 Sensitive fine grained 7 3 Silty sand to sandy silt 2 1 Organic material 8 4 Sand to silty sand 3 1 Clay 9 5 Sand 4 1.5 Silty clay to clay 10 6 Gravelly sand to sand 5 2 Clayey silt to silty clay 11 1 Very stiff fine grained (overconsolidated) 6 2.5 Sandy silt to clayey silt 12 2 Sand to clayey sand (cemented)
0 20 40 60 80 100 Fines Content (% < #200 Sieve)
D E
P T
H
Z fe et
1.0 1.5 2.0 2.5 3.0 3.5 4.0 SBT Ic Value
0 1 2 3 4 5 6 7 8 9 101112 SBT--Pore Pressure
0 1 2 3 4 5 6 7 8 9 101112 SBT--Friction Ratio
D E
P T
H
Z fe et
Clean Sand Silty Sand
Sand Mix
Silt Mix
Clay Organic
Peat
O
JE
C T: P
-1556
IN
-S
IT
U S
O
IL
T E
S T
IN
G
, L .C
E n g in eer: R
. F ailm ezg er,P.E
.,F. A S
C E
,D G
E S
O U
N D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C a m p L e je u n e, N o rth C aro lin a N
,5
01,614 E 366,663
S O
U N
D
IN
G D
A T
E : S e p
27, 2023
Zone qT/N60 Soil Behavior Type Zone qT/N60 Soil Behavior Type
1 2 Sensitive fine grained 7 3 Silty sand to sandy silt 2 1 Organic material 8 4 Sand to silty sand 3 1 Clay 9 5 Sand 4 1.5 Silty clay to clay 10 6 Gravelly sand to sand 5 2 Clayey silt to silty clay 11 1 Very stiff fine grained (overconsolidated) 6 2.5 Sandy silt to clayey silt 12 2 Sand to clayey sand (cemented)
0 20 40 60 80 100 Fines Content (% < #200 Sieve)
D E
P T
H
Z fe et
1.0 1.5 2.0 2.5 3.0 3.5 4.0 SBT Ic Value
0 1 2 3 4 5 6 7 8 9 101112 SBT--Pore Pressure
0 1 2 3 4 5 6 7 8 9 101112 SBT--Friction Ratio
D E
P T
H
Z fe et
Clean Sand Silty Sand
Sand Mix
Silt Mix
Clay Organic
Peat
O
JE
C T: P
-1556
C P
T--S O
IL
M
O D
U L
U S
IN
T
E R
P R
E
TA
T
IO
N
IN
-S
IT
U
S O
IL
T
E S
T
IN
G , L
.C
E n g in eer: R . F ailm ezg er,P.E .,F. A
S C
E ,D
G E
S O
U N
D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C am p
L ejeu n e, N o rth
C aro lin a N
2,501,614 E 366,663
S O
U N
D
IN
G D
A T
E : S ep 27, 2023
1 10 100 1000 Constrained Deformation Modulus, M (tsf)
D E
P T
H
Z fe et
1 10 100 1,000 Young's Modulus, E25 (tsf)
0 2 4 6 8 10 Over-Consolidation Ratio
D E
P T
H
Z fe et
-0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 State Parameter, e (e-units)
O
JE
C T: P
-1556
C P
T--S O
IL
M
O D
U L
U S
IN
T
E R
P R
E
TA
T
IO
N
IN
-S
IT
U
S O
IL
T
E S
T
IN
G , L
.C
E n g in eer: R . F ailm ezg er,P.E .,F. A
S C
E ,D
G E
S O
U N
D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C am p
L ejeu n e, N o rth
C aro lin a N
2,501,614 E 366,663
S O
U N
D
IN
G D
A T
E : S ep 27, 2023
1 10 100 1000 Constrained Deformation Modulus, M (tsf)
D E
P T
H
Z fe et
1 10 100 1,000 Young's Modulus, E25 (tsf)
0 2 4 6 8 10 Over-Consolidation Ratio
D E
P T
H
Z fe et
-0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 State Parameter, e (e-units)
O
JE
C T: P
-1556
C O
N E
P E
N E
T R
O M
E T
E R
T E
S T
R E
S U
LT
S
S O
U N
D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C a m p L e je u n e, N o rth C aro lin a N
,5
01,614 E 366,663
S O
U N
D
IN
G D
A T
E : S ep 27, 2023
0 200 400 600 800 Pore Pressure (feet of head)
D E
P T
H
Z fe et
Pore Pressure Hydrostatic Pressure Excess Pore Pressure
0 1 2 3 4 5 6 7 8 Friction Ratio, Rf (%)
0 1 2 3 4 5 6 7 8 910 Sleeve Friction, Fs (tsf)
0 200 400 600 800 Corrected Tip Resistance, qt (tsf)
D E
P T
H
Z fe et
0 20 40 60 80
Corrected Tip Resistance, qt (tsf)
[ENLARGED SCALE]
Tip Enlarged Scale for Tip
O
JE
C T: P
-1556
C O
N E
P E
N E
T R
O M
E T
E R
T E
S T
R E
S U
LT
S
S O
U N
D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C a m p L e je u n e, N o rth C aro lin a N
,5
01,614 E 366,663
S O
U N
D
IN
G D
A T
E : S ep 27, 2023
0 200 400 600 800 Pore Pressure (feet of head)
D E
P T
H
Z fe et
Pore Pressure Hydrostatic Pressure Excess Pore Pressure
0 1 2 3 4 5 6 7 8 Friction Ratio, Rf (%)
0 1 2 3 4 5 6 7 8 910 Sleeve Friction, Fs (tsf)
0 200 400 600 800 Corrected Tip Resistance, qt (tsf)
D E
P T
H
Z fe et
0 20 40 60 80
Corrected Tip Resistance, qt (tsf)
[ENLARGED SCALE]
Tip Enlarged Scale for Tip
O
JE
C T: P
-1556
C P
T--S O
IL
S
H E
A R
S T
R E
N G
T H
IN
T
E R
P R
E
TA
T
IO
N
IN
-S
IT
U
S O
IL
T
E S
T
IN
G , L
.C
E n g in eer: R . F ailm ezg er,P.E .,F. A
S C
E ,D
G E
S O
U N
D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C am p
L ejeu n e, N o rth
C aro lin a N
2,501,614 E 366,663
S O
U N
D
IN
G D
A T
E : S ep 27, 2023
0 2 4 6 8 10 Sensitivity, Supeak/Suremolded
D E
P T
H
Z fe et
0.0 1.0 2.0 3.0 4.0 Undrained Shear Strength, Su (tsf)
Su=(qT- v)/Nkt
Su= U/N U
20 25 30 35 40 45 50 Angle of Internal Friction
' (degrees)
Robertson & Campanella (1983)
Kulhawy & Mayne (1990)
0 20 40 60 80 100 SPT N60-Value (Blows/foot)
D E
P T
H
Z fe et
0 4 8 12 16 20 Enlarged Scale
SPT N60 Value
Enlarged Scale
Nkt = N U =
O
JE
C T: P
-1556
C P
T--S O
IL
S
H E
A R
S T
R E
N G
T H
IN
T
E R
P R
E
TA
T
IO
N
IN
-S
IT
U
S O
IL
T
E S
T
IN
G , L
.C
E n g in eer: R . F ailm ezg er,P.E .,F. A
S C
E ,D
G E
S O
U N
D
IN
G
S C
P Tu
-01
Ground Surface Elev.: ~21.0 feet Water Depth: ~12.5 feet
L O
C A
T
IO
N : C am p
L ejeu n e, N o rth
C aro lin a N
2,501,614 E 366,663
S O
U N
D
IN
G D
A T
E : S ep 27, 2023
0 2 4 6 8 10 Sensitivity, Supeak/Suremolded
D E
P T
H
Z fe et
0.0 1.0 2.0 3.0 4.0 Undrained Shear Strength, Su (tsf)
Su=(qT- v)/Nkt
Su= U/N U
20 25 30 35 40 45 50 Angle of Internal Friction
' (degrees)
Robertson & Campanella (1983)
Kulhawy & Mayne (1990)
0 20 40 60 80 100 SPT N60-Value (Blows/foot)
D E
P T
H
Z fe et
0 4 8 12 16 20 Enlarged Scale
SPT N60 Value
Enlarged Scale
Nkt = N U =
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