02 - Buxton - AppA-Attachment 1B

APPENDIX A
ATTACHMENT 1B
Grain Size Distributions (GSDs)
Beach Composites
Coastal Science & Engineering
[2403M-Task 2-Appendix A]
Geotechnical Data Analysis
Buxton, Dare County, North Carolina

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Grain Size Distribution
1 -3 -Z -1 U 1 Z 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample Dune
Mean 0.383 mm
STD 0.698 mm
Skewness -0.878
USCS Wentworth
SP
Medium Sand
Fine Sand
Moderately Well Sorted
Poody Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.45
% finer than 0.0625 mm (dry) 0.00
% gravel (dry)
0.00
% granule (dry)
0.42
CaCO3
4.8
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -0.555
Mean
1.386 0.383
-0
As
0.00
0 go
0.00
5 0.435
Standard Deviation
0519780.698
a
-3.5
0.00
0.00
0.00
Skewness
-0. 78
878
-2
-1.5
-2.5
-1.75
0.00
0.00
0.00
0.42
0.00
0.00
i6 0.870
Kurtosis
7.278
-1
-1.25
0.49
0.42
0.42
25 1.000
Dispersion
-0.75
-0.875
0.24
0.20
0.63
5o 1.280
Standard Deviation
-0.5
-0.625
0.33
0.29
0.91
75 1.570
Deviation from Normal
-0.25
-0.375
0.36
0.31
1.22
84 1.710
0
0.25
-0.125
0.125
0.56
1.07
0.48
0.92
1.70
2.62
95 2.015
0.5
0.375
1.93
1.66
4.28
99 2.520
0.75
0.625
3.51
3.01
7.29
Graphic Phi Parameters Inman
Folk & Ward
1 0.87s 10.32 8.86 16.15
1.25
1.125
20.72
17.80
33.95
1952
1957
1.5
1.375
30.11
25.86
Ss.at
1.75
1.625
22.78
19.56
79.37
Mean
1.290
1.287
2
1.875
15.71
13.49
92.86
Standard Deviation
0.420
0.449
2.25
2.5
2.125
2.375
4.42
42
2.04
3.79
1.75
96.65
98.40
Skewness (1)
0.024
-0.023
2.75
2.625
1.19
1.002
99.42
Skewness (2)
-0.131
3
2.875
0.34
0.30
99.71
Kurtosis
0.881
1.136
3.25
3.125
0.24
0.20
99.92
3.5
3.375
0.06
0.05
99.97
3.75
3.625
0.03
0.02
99.99
4
3.875
0.01
0.01
100.00
>4.0
4.25
0.01
0.00
100.00
Grain Size Distribution
Grain Size (mm)
1. -J -L -1 U 1 L S 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample Dune Toe
Mean 0.388 mm
STD 0.682 mm
Skewness -0.318
USCS Wentworth
SP
Medium Sand
Fine Sand
Moderately Well Sorted
Poody Graded
Symmetrical
Leptokur6c
Total weight (gram)
117.07
% finer than 0.0625 mm (dry) 0.00
% gravel (dry)
0.00
% granule (dry)
0.17
CaCO3
5.5
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 1.315
Mean
1.366 0.388
-0
As
0.00
0.00
0.00
5 0.310
Standard Deviation
0.318 0.682
-3
-3.5
0.00
0.00
0.00
Skewness
-0.318
z
-1.5
2.6
-1.75
0.00
0.00
0.00
0.17
0.00
0.00
16 0.74o
Kurtosis
4.723
-1
-t25
0.2o
an
o.17
25
Dispersion
-0.75
-0.875
0.09
0.07
0.24
1.920
5o t255
Standard Deviation
-0.5
-0.625
0.26
0.22
0.47
75 1.6no
Deviation from Normal
-0.25
-0.375
0.43
0.37
0.84
84 1.745
0
0.25
-0.125
0.125
0.79
1.57
0.67
1.34
1.51
2.85
95 2.115
0.5
0.375
3.36
2.87
5.72
99 2.600
0.75
0.625
5.88
5.02
10.74
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 13.31 11.37 22.11
1.25
1.125
19.20
11.40
38.51
1952
1957
1.5
1.375
25.57
21.94
60.35
1.75
1.625
19.24
16.43
76.78
Mean
1.242
1.247
2
17.39
14.86
91.64
Standard Deviation
0.503
0.525
2.25
2.5
2.125
2.125
2.375
.10
4.10
3.55
3.50
3.03
95.14
98.17
Skewness(1)
-0.025
-0.036
2.75
2.625
1.09
0.93
99.10
Skewness (2)
-0.085
3
2.875
0.43
0.37
99.47
Kurtosis
0.796
1.088
3.25
3.125
0.46
0."
99.86
3.5
3.375
0.14
0.12
99.98
3.75
3.625
0.02
0.01
99.99
4
3.875
0.01
0.01
100.00
>4.0
4.25
0.00
0.00
100.00
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample Berm
Mean 0.492 mm
STD 0.596 mm
Skewness -0.866
USCS Wentworth
SP
Medium Sand
Medium Sand
Moderately Sorted
Poody Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.92
% finer than 0.0625
mm (dry) 0.00
% gravel (dry)
0.00
% granule (dry)
1.54
CaCO3
9.9
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -1.560
Mean
1.023 0.492
-0
-0.5
0.00
0.00
0.00
5 -0.395
Standard Deviation
0.746 0.596
a
J.5
0.00
o.00
o.o0
Skewness
-0.866
-2
-1.5
-2.5
-1.75
0.41
0.38
0.35
0.33
0.35
0.67
i6 0.210
KUrtosis
5A41
-1
-1.25
1.02
0.87
1.54
25 0.495
Dispersion
-0.75
-0.875
0.69
0.59
2.13
so 0.975
Standard Deviation
-0.5
-0.625
1.50
1.29
3.41
75 1.375
Deviation from Normal
-0.25
-0.375
2.03
1.73
5.15
84 1.595
0
0.25
-0.125
0.125
3.52
6.26
3.01
5.36
8.16
13.51
95 1.950
0.5
0.375
8.54
7.30
20.82
99 2.360
0.75
0.625
10.24
8.76
29.57
Graphic Phi Parameters Inman
Folk & Ward
1 0.575 16.79 14.36 43.93
1.25
1.125
17.77
15.20
59.13
1952
1957
1.5
1.375
18.55
15.87
75.00
1.75
1.625
11.96
10.22
85.22
Mean
0.902
0.927
2
2..5
2.125
2.375
13.31
3.48
8.93
2.12
96.99
99.11
Standard Deviation
0.692
0.702
zs
2.375
z.ae
2.12
sa11
Skewness (1)
-0.105
-0.137
2.75
2.625
0.79
0.68
99.79
Skewness (2)
-0.285
3
2.875
0.15
0.13
99.92
Kurtosis
0.693
1.092
3.25
3.125
0.06
0."
99.97
3.5
3.375
0.02
0.02
99.99
3.75
3.625
0.01
0.01
100.00
4
3.875
0.00
0.00
100.00
>4.0
4.25
0.00
0.00
100.00
Grain Size Distribution
Grain Size (mm)
V -J -L -1 U .1 L S 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample BC
Mean 0.451 mm
STD 0.619 mm
Skewness -0.858
USCS Wentworth
SP
Medium Sand
Medium Sand
Moderately Well Sorted
Poody Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.89
% finer than 0.0625
mm (dry) 0.00
% gravel (dry)
0.00
% granule (dry)
1.07
CaCO3
9.0
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -1.290
Mean
1.147 0.451
-0
-0.5
0.00
0.00
0.00
5 -0.250
Standard Deviation
0.692 0.619
a
J.5
0.00
o.00
0.00
Skewness
-0.858
-2
-1.5
-2.5
-1.25
0.04
0.04
0.94
0.13
i6 0.380
Kurtosis
4.572
-1
-t25
1.10
1.10
os4
1.07
to7
25 0.665
Dispersion
-0.75
-0.875
0.48
0.41
1.48
50 1.115
Standard Deviation
-0.5
-0.625
1.19
1.01
2.49
75 1.505
Deviation from Normal
-0.25
-0.375
1.58
1.35
3.84
84 1.680
0
0.25
-0.125
0.125
2.75
4.57
2.36
3.91
6.20
10.11
95 1.965
0.5
0.375
6.65
5.69
15.80
99 2.335
0.75
0.625
8.43
7.21
23.017
Graphic Phi Parameters Inman
Folk & Ward
1 0.575 14.92 12.76 35.77
1.25
1.125
17.41
14.89
50.66
1952
1957
1.5
1.375
20.65
17.66
68.32
1.75
1.625
15.22
13.02
81.35
Mean
1.030
1.058
2
2.25
1.875
2.125
14.4s
4.11
12.40
3.51
97.74
97.32
Standard Deviation 0.650
0.661
2.5
2.375
z.a1
2.os
ssa2
Skewness (1)
-0.131
-0.182
2.75
2.625
0.56
0.48
99.80
Skewness (2)
-0.396
3
2.875
0.11
0.09
99.89
Kurtosis
0.704
1.081
3.25
3.125
0.07
0.06
99.95
3.5
3.375
0.03
0.03
99.98
3.75
3.625
0.01
0.01
99.99
4
3.875
0.01
0.01
100.00
>4.0
4.25
0.00
0.00
100.00

Grain Size Distribution
Grain Size Distribution
Grain Size (mm)
Grain Size (mm)
10016 8
4 2 1 0.5 0.25 0.125 0.0625
Project 2403-M
10016
8 4 2 1 0.5 0.25 0.125 0.0625
Project
2403-M
Location Buxton, NC
Location
Buxton, NC
. . .
Date Aug 05 2019
Date
Aug 05 2019
80 .. ;.
Station ALL
80
;...;...
Station
ALL
Sample MHW
Sample
LTT
70 ..:.
70
Mean 0.324 mm
L
Mean
0.380 mm
e BO ..
.1 .. .... ... . ..:... ........
. . :
STD 0.724 mm
a 60
.. ... :...:.
STD
0.532 mm
o> 50
Skewness -0.615
0, 50
Skewness
•1.400
�' 40
-: . -i- - -i -
USCS Wentworth
�' 40
- -
USCS
Wentworth
30 I
--...:..
SP Medium Sand
30
.. _ i . .
SP
Medium Sand
: . .
Fine Sand Well Sorted
. . :
Fine Sand
Moderately Sorted
20 ....
Poorly Graded Coarse Skewed
PO ...
Poorly Graded
Strongly Coarse Skewed
Leptokur6c
Leptokur6c
10
' '
Total weight (gram) 116.28
10
Total weight (gram)
116.76
finer than 0.0625 mm (dry) 0.00
% finer than 0.0625
mm (dry) 0.00
01 3
2 1 0 1 2 3 4
% gravel (dry) 0.00
3 2 1 0 1 2 3 4
% gravel (dry)
0.00
Grain Size (0)
%granule (dry)
Grain Size (0)
%granule (dry)
2.54
5.4
CaCO3 5.4
CaCO3
10.0
10.0
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 0.200
Mean
1.627 0.324
-0
-0.5
0.00
0 go
0.00
5 0.745
Standard Deviation
0.615 0.724
3
-3.5
0.00
0.00
0.00
Skewness
-0.615
-2
-1.5
-2.5
-1.75
0.00
0.00
0.00
0.00
0.00
0.00
i6 1.070
Kurtosis
5.721
-1
-1.25
0.13
0.11
0.11
25 1.210
Dispersion
-0.75
-0.875
0.05
0.04
0.15
50 1.530
Standard Deviation
-0.5
-0.625
0.09
0.07
0.23
75 1.800
Deviation from Normal
-0.25
-0.375
0.10
0.09
0.31
84 1.915
0
0.25
-0.125
0.125
0.19
0.37
0.17
0.32
0.48
o.80
95 2.240
0.5
0.375
0.77
0.66
1.46
99 2.540
0.75
0.625
1.56
1.34
2.80
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 5.42 4.66 7.47
1.25
1.125
12.67
10.90
18.37
1952
1957
1.5
1.375
22.36
19.23
37.59
1.75
1.625
23.02
19.80
57.39
Mean
1.492
1.505
2
1.875
2.91
24.93
s2.3z
Standard Deviation
0.423
0.438
2.25
2.5
2.125
2.375
11.87
fi.01
10.20
5.29
92.52
97.81
Skewness (1)
-0.089
-0.069
2.75
2.625
2.06
1.77
99.59
Skewness (2)
-0.089
3
2.875
0.27
0.23
99.82
Kurtosis
0.769
1.038
3.25
3.125
0.13
0.11
99.94
3.5
3.375
0.05
0.04
99.98
3.75
3.625
0.01
0.01
99.99
4
3.875
0.01
0.01
100.00
>4.0
4.25
0.00
0.00
100.00
Grain Size Distribution
Grain Size (mm)
4 -J -L -1 u 1 L S 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample BF
Mean 0.382 mm
STD 0.609 mm
Skewness -1.496
USCS Wentworth
SP
Medium Sand
Fine Sand
Moderately Sorted
Poorly Graded
Strongly Coarse Skewed
Very Leptokurtic
Total weight (gram)
116.87
finer than 0.0625 mm (dry) 0.00
% gravel (dry)
0.16
granule (dry)
0.82
CaCO3
8.2
Class Limb Mid Point
Weight
Woight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -1.235
Mean
1.390 0.382
-0
-0.5
0.00
0go
0.00
5 -0.015
Standard Deviation
0.717960.609
.
-3
-3.5
0.19
0.16
0.16
Skewness
-1.96496
-2
.1.5
-2.5
-1.75
0.14
0.19
0.12
0.16
0.28
0.44
i6 0.675
Kurtosis
8.365
-1
-1.25
0.64
0.55
0.99
25 0.92o
Dispersion
-0.75
-0.875
0.33
0.28
1.27
so 1.355
Standard Deviation
-0.5
-0.625
0.72
0.61
1.88
75 1.745
Deviation from Normal
-0.25
-0.375
0.90
0.77
2.65
84 1.860
0
0.25
-0.125
0.125
1.54
2.74
1.32
2.34
3.97
6.32
95 2.230
0.5
0.375
3.97
3A
9.71
99 2.485
0.75
0.625
5.20
4.45
14.16
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 10.30 s.at 22.98
1.25
1.125
13.84
11.64
34.82
1952
1957
1.5
1.375
19.09
16.34
51.16
1.75
1.625
17.00
14.54
65.70
Mean
1.267
1.297
2
1.875
2.62
19.36
85.06
Deviation
0.593
0.636
225
2.5
2125
2.375
8::
6
7.43
5.96
92.49Standard
98.45
Skewness (1)
-0.148
-0.184
2.75
2.625
1.45
1.24
99.69
Skewness (2)
-0.418
3
2.875
0.21
0.18
99.86
Kurtosis
0.895
1.115
3.25
3.125
0.11
0.10
99.96
3.5
3.375
0.03
0.03
99.99
3.75
3.625
0.01
0.01
100.00
4
3.875
0.00
0.00
too 10
>4.0
4.25
0.00
0.00
100.00
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -1.880
Mean
1.398 0.380
-0
-0.5
0.00
0.00
0.00
5 -1 "1
Standard Deviation
0.909 0.532
-3
J.5
0.00
o.o0
0.00
Skewness
-1.400
-2
-1.5
-2.5
-1.75
0.57
0.72
0.49
0.62
0.49
1.11
i6 0.560
Kurtosis
5.378
-1
-1.25
1.67
1.43
2.54
y5 0.955
Dispersion
-0.75
-0.875
1.26
1.08
3.61
so 1.470
Standard Deviation
-0.5
-0.625
2.30
1.97
5.58
75 1.820
Deviation from Normal
-0.25
-0.375
2.01
1.72
7.31
84 2.065
0
0.25
-0.125
0.125
2.20
2.54
1.89
2.18
9.19
11.37
95 2.360
0.5
0.375
2.92
2.51
13.87
99 2.610
0.75
0.625
3.35
2.87
16.74
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 6.54 5.60 22.34
1.25
1.125
9.70
8.30
30.65
1952
1957
1.5
1.375
16.18
13.86
44.51
1.75
1.625
16.90
14.48
58.98
Mean
1.313
1.365
2
1s75
zasl
z9.as
7s.47
Standard Deviation
0.752
0.840
2.25
2.5
2.125
2.375
6.97
11.82
5.97
to.12
85.44
95.56
Skewness (1)
-0.209
-0.314
2.75
2.625
4.24
3.63
99.19
Skewness (2)
-0.850
3
2.875
0.67
0.57
99.76
Kurtosis
1.033
1.450
3.25
3.125
0.23
0.19
99.96
3.5
3.375
0.04
0.04
99.99
3.75
3.625
0.01
0.01
100.00
4
3.875
0.00
0.00
100.00
>4.0
4.25
0.0o
0.00
100.00
Grain Size Distribution
Grain Size (mm)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample Trough
Mean 0.423 mm
STD 0.454 mm
Skewness •1.293
USCS Wentworth
SP
Medium Sand
Medium Sand
Poorly Sorted
Poorly Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.21
finer than 0.0625
mm (dry) 0.01
% gravel (dry)
0.52
granule (dry)
4.74
CaCO3
12.3
Class Limits Mid Point
Weight
Woight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -3.150
Mean
1.240 0.423
-0
-0.5
0.00
0.00
0.00
5 -1.325
Standard Deviation
1.140 0.454
-3
-3.5
0.60
0.52
0.52
Skewness
-1.293
-2
-1.5
-2.5
-1.25
1.85
1.39
1.76
3.49
16 0.16o
Kurtosis
5.159
-1
-1.25
2.05
2.05
1.76
5.26
5.26
y5 O.fi65
Dispersion
-0.75
-0.875
1.33
1.14
6.40
so 1.295
Standard Deviation
-0.5
-0
2.34
2
.01.625
8.41
75 1as5
Deviation from Normal
-0.25
-0.375
2.13
1.83
10.24
84 2.170
0
0.25
-0.125
0.125
2.65
3.41
2.28
2.93
12.52
15.45
95 2.525
0.5
0.375
4.36
3.76
19.21
99 2.820
0.75
0.625
5.22
4.49
23.70
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 9.43 8.11 31.81
1.25
1.125
11.80
10.15
41.97
1952
1957
1.5
1.375
13.64
11.73
53.70
1.75
1.625
10.59
9.11
62.81
Mean
1.165
1.208
2
1
11.90
72.39
Standard Deviation
1.005
1.086
2..5
2.5
2.125
2.375
2.375
.92
8.92
9.96
.68
8.57
8.57
80.96
90.96
Skewness (1)
-0.129
-0.245
2.75
2.625
7.96
6.85
97.81
Skewness (2)
-0.692
3
2.875
1.76
1.52
99.32
Kurtosis
0.915
1.293
3.25
3.125
0.65
0.56
99.88
3.5
3.375
0.10
0.08
99.96
3.75
3.625
0.03
0.02
99.98
4
3.875
0.02
0.01
99.99
>4.0
4.25
0.01
0.01
100.00

Grain Size Distribution
Grain Size (mm)
10016 8
4 2 1 0.5 0.25 0.125 0.0625
Project 2403-M
Location Buxton, NC
90 .. ;.
_.. ...... ._ _. ._.. i...
Date Aug 05 2019
80 ..
_ .
Station ALL
Sample Bar
70 ....
60 -
Mean 0.356 mm
STD 0.496 mm
rn 50
Skewness -1.413
�' 40
USCS Wentworth
30
SP Medium Sand
Fine Sand Poorly Sorted
20.�...
.-.- .. .:...:....... ..
Poorly Graded Strongly Skewed
Leptokur6c
10 ....................
.
..
Total weight (gram) 116.60
-
%finer than 0.0625 mm (dry) 0.01
0
-4 3
2 1 0 1 2 3 4
% gravel (dry) 0.08
Grain Size (�)
% granule (dry) 3.39
CaCO3 9.9
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -2.505
Mean
1.488 0.356
-0
As
0.00
0.00
0.00
5 -0.775
Standard Deviation
1.012 0.496
-3
-3.5
0.09
0.08
0.08
Skewness
-1.413
-2
.1.5
-2.5
-1.75
1.08
0.95
0.93
0.82
1.01
1.83
16 0
Kurtosis Kurtosis
5.714
-1
-1.25
1.91
1.64
3.46
25 0.955
Dispersion
-0.75
-0.875
1.10
0.94
4.41
50 1.550
Standard Deviation
-0.5
-0.625
1.69
1.45
5.86
75 2.045
Deviation from Normal
-0.25
-0.375
1.36
1.17
7.03
84 2.285
0
0.25
-0.125
0.125
1.65
2.09
1.42
1.79
8.44
10.24
95 2.575
0.5
0.375
2.77
2.38
12.61
99 2.885
0.75
0.625
3.63
3.11
15.73
1
0.57s
7.54
6.47
22.19
Graphic Phi Parameters Inman
Folk & Ward
1.25
1.125
10.32
8.85
31.04
1952
1957
1.5
1.375
13.58
11.65
42.69
1.75
1.525
12.10
10.38
53.06
Mean
1.460
1.490
2
1.875
11.43
14.95
68.01
Standard Deviation
0.825
0.920
2.25
2.5
2.125
2.375
11.82
10.82
10.14
9.28
78.15
87.43
Skewness(1)
-0.109
-0.249
2.75
2.625
11.09
9.51
96.94
Skewness (2)
-0.788
3
2.875
2.36
2.02
98.96
Kurtosis
1.030
1.260
3.25
3.125
0.96
0.82
99.78
3.5
3.375
0.17
0.15
99.93
3.75
3.625
0.06
0.99.98
4
3.875
0.01
0.01
99.99
>4.0
4.25
0.01
0.01
100.00
Grain Size Distribution
Grain Size (mm)
4 -3 -L -1 U 1 L 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample -8 ft
Mean 0.232 min
STD 0.645 mm
Skewness -1.508
USCS Wentworth
SP
Fine Sand
Fine Sand
Moderately Well Sorted
Poorly Graded
Strongly Coarse Skewed
Very Leptokur6c
Total weight (gram)
116.21
finer than 0.0625 mm (dry) 0.04
% gravel (dry)
0.00
% granule (dry)
0.33
CaCO3
4.0
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 1360
Mean
2.110 0.232
-0
A 5
0.00
0.00
0.00
5 0.835
Standard Deviation
0.508 0.645
a
-3.5
0.00
0.00
0.00
Skewness
-1.508
-2
-1.5
-2.5
-1.75
0.00
0.00
0.00
0.00
0.00
0.00
1.525
Kurtosis
T661
-1
-1.25
0.38
0.33
0.33
25
25 1.720
Dispersion
-0.75
-0.875
0.16
0.13
0.46
50 2.055
Standard Deviation
-0.5
-0.625
0.30
0.25
0.72
75 2.410
Deviation from Normal
-0.25
-0.375
0.30
0.26
0.98
84 2.525
0
0.25
-0.125
0.125
0.42
0.61
0.36
0.52
34
1.86
1''
95 2.790
0.5
0.375
0.81
0.69
2.55
99 3.145
0.75
0.625
1.04
0.90
3.45
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 2.12 1.82 5.27
125
1.125
3.04
2.61
7.89
1952
1957
1.5
1.375
5.15
4.44
12.32
1.75
1.525
7.03
6.05
18.37
Mean
2.025
2.035
2
1.875
20.19
38
35.75
Standard Deviation
0.500
0.546
2.25
2.5
2.125
2.375
22.97
19.25
1n7
9.77
16.56
55.12
72.08
Skewness (1)
-0.060
-0.154
2.75
2.625
23.16
19.93
92.01
Skewness (2)
-0.485
3
2.875
5.215
4.48
96.49
Kurtosis
0.955
1.161
3.25
3.125
2.85
2.45
98.94
3.5
3.375
0.94
0.81
99.75
3.75
3.625
0.23
0.20
99.95
4
3.875
0.02
0.01
99.96
>4.0
4.25
0.04
0.04
100.00
Grain Size Distribution
cram size
o I
4 -3 -2 -1 U 1 2 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample -12 ft
Mean 0.233 mm
STD 0.603 mm
Skewness -1.651
USCS Wentworth
SP
Fine Sand
Fine Sand
Moderately Sorted
Poorly Graded
Strongly Coarse Skewed
Leptokur6c
Total weight (gram)
116.19
% finer than 0.0625
mm (dry) 0.05
% gravel (dry)
0.00
% granule (dry)
0.29
CaCO3
4.1
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -0.675
Mean
2.104 0.233
-0
-0.5
0.00
0.00
0.00
5 0.325
Standard Deviation
0.729 0.603
-3
-3.5
0.00
0.00
0.00
Skewness
-1.651
-2
-1.5
-2.5
-1.5
0.00
0.34
0.00
0.
0.00
0.
16 1.600
Kurtosis
6.847
-1
-1.25
o.3a
o.29 2s
o.29 zs
25 1.755
Dispersion
-0.75
-0.875
0.26
0.22
0.52
so z.aas
Standard Deviation
-0.5
-0.625
0.70
0.60
1.12
75 2.440
Deviation from Normal
-0.25
-0.375
0.94
0.72
1.84
84 2.550
0
0.25
-0.125
0.125
1.13
1.39
0.98
1.20
2.82
4.02
95 2.860
0.5
0.375
1.43
1.23
5.25
99 3.215
0.75
0.625
1.33
1.14
6.40
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 1.89 1.62 8.02
1.25
1.125
2.01
1.73
9.75
1952
1957
1.5
1.375
2.96
2.55
12.30
1.75
1.625
4.82
4.15
16.45
Mean
2.075
2.078
2
1.875
19.10
16.44
32.88
Standard Deviation
0.475
0.622
2.25
2.5
2.125
2.375
23.53
19.22
20.25
16.54
53.14
69.68
Skewness (1)
-0.021
-0.205
2.75
2.625
23.83
20.51
90.18
Skewness (2)
-1.037
3
2.875
5.98
5.15
95.33
Kurtosis
1.668
1.517
3.25
3.125
3.84
3.31
98.64
3.5
3.375
1.14
0.98
99.62
3.75
3.625
0.34
0.29
99.92
4
3.875
0.04
0.04
99.95
>4.0
4.25
0.06
0.05
100.00
Grain Size Distribution
Grain Size (mm)
4 -3 -L -1 U 1 L 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample -16 ft
Mean 0.232 mm
STD 0.627 mm
Skewness -1.141
USCS Wentworth
SP
Fine Sand
Fine Sand
Moderately Well Sorted
Poorly Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.20
% finer than 0.0625
mm (dry) 0.03
% gravel (dry)
0.00
% granule (dry)
0.16
CaCO3
5.2
Class Limb Mid Point
Weight
Weight % Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -0.150
Mean
2.110 0.232
A
a.5
0.00
0.00
0.00
5 0.665
Standard Deviation
0.673 0.627
a
J.5
0.00
6.o0
0.00
Skewness
-1.141
-2
-1.5
-2.5
-1.5
0.00
0.
0.00
0.
0.00
0.730
i6 1.460
Kurtosis
5.246
-1.25
0.18
0.16
0.
25 1.
Dispersion
7
-0.75
-0.875
0.09 09
0.08 08
0.23 23
50 216
.070
Standard Deviation
-0.5
-0.625
0.23
0.20
0.43
75 2.440
Deviation from Normal
-0.25
-0.375
0.28
0.24
0.68
84 2.555
0
0.25
-0.125
0.125
0.42
0.63.88
0.36
0.54
1 04
12'.57
95 2.890
0.5
0.375
0
0.75
2.
99 3.235
0.75
0.625
2.25
1.94
4.26
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 5.31 4.57 8.83
1.25
1.125
3.99
3.43
12.27
1952
1957
1.5
1.375
2.85
2.45
14.72
1.75
1.525
4.42
3.80
18.52
Mean
2.007
2.028
2
2..5
2.125
2.375
18.32
15.76
20.30
34.28 11
54.72
Standard Deviation 0.547
0.611
2.5
2.375
17.58
17.58
15.13
69.72
Skewness (1)
-0.114
-0.189
2.75
2.625
23.00
19.79
89.51
Skewness (2)
-0.534
3
2.875
6.12
5.27
94.78
Kurtosis
1.032
1.284
3.25
3.125
4.36
3.75
98.53
3.5
3.375
1.26
1.08
99.61
3.75
3.625
0.38
0.33
99.94
4
3.875
0.04
0.03
99.97
>4.0
4.25
0.03
0.03
100.00

Grain Size Distribution
Grain Size Distribution
1 -3 -Z -1 u 1 Z 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample -20 it
Mean 0.225 mm
STD 0.637 mm
Skewness -1.335
USCS Wentworth
SP
Fine Sand
Fine Sand
Moderately Well Sorted
Poorly Graded
Strongly Coarse Skewed
Leptokur6c
Total weight (gram)
116.43
% finer than 0.0625 mm (dry) 0.08
% gravel (dry)
0.00
% granule (dry)
0.21
CaCO3
5.8
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -0295
Mean
2.154 0.225
-0
A 5
0.00
0.0o
0.00
5 0.785
Standard Deviation
0.33 0.637
a
-3.5
0.00
o.00
0.00
Skewness
-1.335
-2
-1.5
-2.5
-1.75
000
0.00
0.00
0.00
0.00
0.00
16 1.620
Kurtosis
6.792
-1
-1.25
0.25
0.21
0.21
25 1.765
Dispersion
-0.75
-0.875
0.13
0.11
0.33
50 2.090
Standard Deviation
-0.5
-0.625
0.29
0.25
0.57
75 2.450
Deviation from Normal
-0.25
-0.375
0.33
0.28
0.86
84 2.560
0
0.25
-0.125
0.125
0.51
0.69
0.43
0.59
129
1.88
95 2.930
0.5
0.375
0.86
0.74
2.62
99 3.285
0.75
0.625
1.36
1.17
3.79
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 2.18 1.87 5.a
125
1.125
2.46
2.11
7.77
1952
1957
1.5
1.375
5.81
4.99
12.76
1.75
1.625
3.85
3.31
16.07
Mean
2.090
2.090
2
1.875
18.32
15.74
31.80
Standard Deviation
0.470
0.560
2..5
2.5
2.1325
2.375
24.62
18.76
21.15
1fi.11
52.95
69.06
Skewness (1)
0.000
-0.108
2.75
2.625
23.22
19.94
89.00
Skewness (2)
-0.495
3
2.875
6.00
5.15
94.15
Kurtosis
1.282
1.283
3.25
3.125
4.67
4.01
98.16
3.5
3.375
1.54
1.32
99.49
3.75
3.625
0.48
0.41
99.90
4
3.875
0.03
0.02
99.92
>4.0
4.25
0.09
0.08
100.00
Grain Size Distribution
Grain Size (mm)
1. -3 -Z -1 u 1 Z 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample -24it
Mean 0.188 mm
STD 0.635 mm
Skewness -1.657
USCS Wentworth
SP
Fine Sand
Fine Sand
Moderately Well Sorted
Poorly Graded
Strongly Coarse Skewed
Very Leptokur6c
Total weight (gram)
116.54
% finer than 0.0625 mm (dry) 0.29
% gravel (dry)
0.00
% granule (dry)
0.23
CaCO3
6.2
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -0.155
Mean
2.413 0.188
-0
-0.5
0.00
0.00
0.00
5 0.975
Standard Deviation
0.657 0.635
3
-3.5
0.00
0.00
0.00
Skewness
-1.65
2
-1.5
2.6
-1.75
0.00
0.00
0.00
0.
0.00
0.00
16 1.aso
Kurtosis
8.373
-1
-1.25
0.27
0.23 23
0.23
25 2.040
Dispersion
-0.75
-0.875
0.09
0.08
0.31
50 2.405
Standard Deviation
-0.5
-0.625
0.22
0.19
0.50
75 2.610
Deviation from Normal
-0.25
-0.375
0.27
0.23
0.74
84 2.820
0
0.25
-0.125
0.125
0.35
0.57
0.30
0.49
1.04
1.53
95 3.120
0.5
0.375
0.76
0.65
2.18
99 3.485
0.75
0.625
1.01
0.86
3.05
Graphic Phi Parameters Inman
Folk & Ward
1 0.57s ss 1.42 4.47
1.25
1.125
1.55
1.33
5.80
1952
1957
1.5
1.375
1.67
1.44
7.24
1.75
1.625
2.40
2.06
9.30
Mean
2.340
2.362
2
L875
z13
is.43
Standard Deviation
0.480
0.565
2.25
2.5
2.125
2.375
4
14.99
2002.
12.86
17.18
29.29
4s.47
Skewness(1)
-0.135
-0.234
2.75
2.625
35.66
30.60
77.07
Skewness (2)
-0.745
3
2.875
10.30
8.84
85.91
Kurtosis
1.234
1.542
3.25
3.125
Ts'
9.31
95.22
3.5
3.375
3.85
3.30
98.52
3.75
3.625
1.28
1.10
99.62
4
3.875
0.11
0.09
99.71
>4.0
4.25
0.33
0.29
100.00
1 -3 -Z -1 u 1 Z 3 4
Grain Size (0)
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample Vis Beach
Mean 0.400 mm
STD 0.636 mm
Skewness -1.073
USCS Wentworth
SP
Medium Sand
Fine Sand
Moderately Well Sorted
Poorly Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.75
% finer than 0.0625
mm (dry) 0.00
% gravel (dry)
0.03
% granule (dry)
0.69
CaCO3
7.1
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -0.870
Mean
1.323 0.400
-0
-0.5
0.00
0.00
0.00
5 o.o15
Standard Deviation
0.654 0.636
a
J.5
0.03
o.o3
0.03
Skewness
-1.073
-2
-1.5
-2.5
-1.75
0.11
0.10
0.09
0.09
0.12
0.21
16 0.660
Kurtosis
6.358
-1
-1.25
0.60
0.51
0.12
y5 0.880
Dispersion
-0.75
-0.875
0.31
0.27
0.98
so 1.265
Standard Deviation
-0.5
-0.625
0.68
0.58
1.57
75 1.635
Deviation from Normal
-0.25
-0.375
0.90
0.77
2.34
84 1.780
0
0.25
-0.125
0.125
1.56
2.76
1.34
2.37
3.67
6.04
95 2.115
0.5
0.375
4.20
3.60
9.64
99 2.485
0.75
0.625
5.80
4.97
14.61
Graphic Phi Parameters Inman
Folk & Ward
1 0.57s 1.84 10.14 24.7s
1.25
1.125
16.94
14.51
39.26
1952
1957
1.5
1.375
22.72
19.46
58.72
1.75
1.625
18.27
15.59
74.31
Mean
1.220
1.235
2
1
1
89.97
Standard Deviation
0.560
0.598
2..5
2.5
2.125
2.375
2.375
.08
3.93
3.93
5.21
21
3.37
95.18
98.54
Skewness (1)
-0.080
-0.135
2.75
2.625
1.19
1.02
99.56
Skewness (2)
-0.357
3
2.875
0.25
0.22
99.78
Kurtosis
0.875
1.140
3.25
3.125
0.18
0.15
99.93
3.5
3.375
0.06
0.05
99.98
3.75
3.625
0.01
0.01
99.99
4
3.875
0.01
0.01
100.00
>4.0
4.25
0.0o
0.00
100.00
Project 2403-M
Location Buxton, NC
Date Aug 05 2019
Station ALL
Sample All Beach
Mean 0.321 mm
STD 0.552 mm
Skewness -1.045
USCS Wentworth
SP
Medium Sand
Fine Sand
Moderately Sorted
Poorly Graded
Coarse Skewed
Leptokur6c
Total weight (gram)
116.55
% finer than 0.0625
mm (dry) 0.04
% gravel (dry)
0.05
% granule (dry)
1.15
CaCO3
7.2
Class Limits Mid Point
Weight
Weight% Cumm.Wt%
Percentiles
Moment Measures
(phi) (mm)
(0
(0)
(gram)
1 -1.405
Mean
1.639 0.321
-0
-0.5
0.00
0.00
0.00
5 -0.020
Standard Deviation
0.858 0.552
-3
J.5
0.o6
o.o5
0.05
Skewness
-1.045
-2
-1.5
-2.5
-1.25
0.29
0.76
0.25
0.25
0.55
i6 0.785
Kurtosis
5.621
-1
-1.25
o.7s
0.65
1.20
1.2o
25 1.060
Dispersion
-0.75
-0.875
0.45
0.38
1.58
so 1.s25
Standard Deviation
-0.5
-0.625
0.87
0.74
2.33
75 2.105
Deviation from Normal
-0.25
-0.375
0.92
0.79
3.12
84 2.345
0
0.25
-0.125
0.125
1.33
2.04
1.15
1.75
4.27
6.01
95 2.630
0.5
0.375
2.86
2.45
8.47
99 3.100
0.75
0.625
3.86
3.31
11.78
Graphic Phi Parameters Inman
Folk & Ward
1 0.875 7.69 6.60 18.38
1.25
1.125
10.46
8.98
27.35
1952
1957
1.5
1.375
14.16
12.15
39.50
1.75
1.625
12.24
10.50
50.00
Mean
1.565
1.585
2
12.42
t0.66
27
Standard Deviation
0.780
0.792
2.25
2.5
2.125
2.125
2.375
12.42
10.79
10.66
9.26
75.92
75.92
85.18
Skewness (1)
-0.077
-0.159
2.75
2.625
11.38
9.76
94.94
Skewness (2)
-0.410
3
2.875
2.85
2.45
97.39
Kurtosis
0.699
1.039
3.25
3.125
2.10
1.81
99.19
3.5
3.375
0.67
0.58
99.77
3.75
3.625
0.21
0.18
99.95
4
3.875
0.02
0.02
99.96
>4.0
4.25
0.04
0.04
100.00