SM
CL
CH
101
28
48
46
65
12
20
20
14
16
28
26
51
19
16
22
17
23
23
22
34
23
31
27
28
26
32
11
87
98
17
12
15
8
14
39
35
WOH
FILL: CLAYEY SAND
, LOOSE TO MEDIUM DENSE,
BROWN
- with organic material, 0 to 2 feet
- with gravel and asphalt, 4 to 6 feet
SILTY SAND (SM)
, MEDIUM DENSE TO DENSE,
LIGHT BROWN TO GRAY
- gray, 13 to 20 feet
- with seashells, 18 to 20 feet
LEAN CLAY (CL)
, VERY SOFT, BROWN AND GRAY
- WOH: weight of hammer
FAT CLAY (CH)
, STIFF TO VERY STIFF, GRAY
AND REDDISH BROWN
- with calcareous nodules, 28 to 30 feet
- with calcareous nodules, 43 to 50 feet
PL
PI
0.0 0.5 1.0 1.5 2.0 2.5
SOIL TYPE
HP
UC
TV
Geotechnical Consulting Services
1714 Memorial Drive
Houston, Texas 77007
DEPTH OF BORING: 60 FEET
LOG OF BORING B-2
Surfside,Texas
DEPTH, FT.
MOISTURE
CONTENT (%)
PLASTIC
LIMIT
SAMPLES
UNIT WEIGHT
(pcf)
USCS SYMBOL
UU
PLATE NO: 4 (Page 1 of 2)
Surfside Pedestrian Bridge and Shore Stabilization
FINAL GROUND WATER: CAVED AT 10 FEET
LL
COORDINATE (X) OR EASTING: 300
COORDINATE (Y) OR NORTHING: 100
PLASTICITY
INDEX
% PASSING
No. 200 SIEVE
N-BLOWS/FT.
LIQUID
LIMIT
SHEAR STRENGTH
(tons/square foot)
PSI Project No.: 286-373
LONGITUDE:
LATITUDE:
TYPE OF BORING: Wet Rotary
APPROXIMATE SURFACE ELEVATION: 10 feet
SOIL DESCRIPTION
DATE DRILLED: 10/22/10
NOTES:
INITIAL GROUND WATER: 8 FEET
BORINGLOG_HOUSTON - PSIHOUSTON.GDT - 12/21/10 10:21 - P:\286 REPORTS\286 2010 REPORTS\286-373 SURFSIDE FOOTBRIDGE\286-373 BORIN
G LOGS.GPJ
5
10
15
20
25
30
35
40
45
50
CH
107
22
33
FAT CLAY (CH)
, STIFF TO VERY STIFF, REDDISH
BROWN
PL
PI
0.0 0.5 1.0 1.5 2.0 2.5
SOIL TYPE
HP
UC
TV
Geotechnical Consulting Services
1714 Memorial Drive
Houston, Texas 77007
DEPTH OF BORING: 60 FEET
LOG OF BORING B-2
Surfside,Texas
DEPTH, FT.
MOISTURE
CONTENT (%)
PLASTIC
LIMIT
SAMPLES
UNIT WEIGHT
(pcf)
USCS SYMBOL
UU
PLATE NO: 4 (Page 2 of 2)
Surfside Pedestrian Bridge and Shore Stabilization
FINAL GROUND WATER: CAVED AT 10 FEET
LL
PLASTICITY
INDEX
% PASSING
No. 200 SIEVE
N-BLOWS/FT.
LIQUID
LIMIT
SHEAR STRENGTH
(tons/square foot)
PSI Project No.: 286-373
TYPE OF BORING: Wet Rotary
SOIL DESCRIPTION
DATE DRILLED: 10/22/10
NOTES:
INITIAL GROUND WATER: 8 FEET
BORINGLOG_HOUSTON - PSIHOUSTON.GDT - 12/21/10 10:21 - P:\286 REPORTS\286 2010 REPORTS\286-373 SURFSIDE FOOTBRIDGE\286-373 BORIN
G LOGS.GPJ
55
60
65
70
75
80
85
90
95
100
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
0
50
100
150
200
250
300
350
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
0
50
100
150
200
250
300
350
PROJECT No.
286-373
PLATE
GENERALIZED SUBSURFACE PROFILE
Fill Material
Silty Sand (SM)
Fat Clay (CH)
Lean Clay (CL)
Clayey Sand (SC)
DATE
Dec 2010
Surfside Pedestrian Bridge and Shore Stabilization
Surfside,Texas
8
STRATUM
START
END
STRATUM DESCRIPTION
Elevation (feet)
Distance Along Baseline (feet)
Stratifications shown are generalized and variations could occur in the field. The Hand Penetrometer (HP), Unconfined Compression (UC) values are shear strengths in tsf. N is blows per foot.
FENCE_PSI - PSIHOUSTON.GDT - 12/21/10 10:25 - P:\286 REPORTS\286 2010 REPORTS\286-373 SURFSIDE FOOTBRIDGE\286-373 BORING LOGS.G
PJ
5.0
-1.0
-10.0
-39.0
-43.0
-53.0
SM
CH
CL
CH
N:5
N:7
N:4
N:30
N:31
HP:0.33
HP:0.17 UU:0.33
HP:0.83
HP:1.17
HP:0.83 UU:1.02
HP:0.83
HP:1.25 UC:1.22
HP:0.83
HP:1.25 UU:2.05
HP:1.58
B-1 (EL: 7.0')
2.0
-12.0
-17.0
-40.0
-50.0
SM
CL
CH
CH
N:17
N:12
N:15
N:8
N:14
N:39
N:35
N:WOH
HP:0.92 UU:0.97
HP:0.92
HP:0.92
HP:1.17
HP:1.00
HP:1.17 UU:1.66
HP:0.92
B-2 (EL: 10.0')
8.0
2.0
-16.0
-40.0
-50.0
SM
CH
CH
N:12
N:11
N:7
N:23
N:35
N:34
N:32
N:9
HP:0.67
HP:0.75
HP:0.83 UU:1.04
HP:1.00
HP:1.17
HP:1.17
HP:0.92 UU:0.98
B-3 (EL: 10.0')
2.0
-12.0
-15.0
-40.0
-50.0
SM
SC
CH
CH
N:17
N:19
N:12
N:11
N:33
N:43
N:37
N:7
HP:1.00 UC:0.73
HP:1.08
HP:1.00
HP:1.25 UC:1.16
HP:1.17
HP:0.83 UU:1.24
HP:1.33
B-4 (EL: 10.0')
GRAVEL
SAND
SILT
LEAN CLAY FAT CLAY
PEAT
NO
AUGER
SHELBY
SPLIT
SAMPLE
SAMPLE
TUBE
SPOON
MODIFIERS
STONE
GRAVELY
SANDY
SILTY
CLAYEY
MISC.
NO
ROCK
2" SHELBY TXDOT
(SEE TEXT ON LOG)
RECOVERY
CORE
TUBE
CONE
UNIFIED SOIL CLASSIFICATION SYSTEM - ASTM D 2487
VERY SOFT
SOFT
FIRM
STIFF
VERY STIFF
HARD
RELATIVE DENSITY - GRANULAR SOILS
> 50 OR 50+
DEGREE OF PLASTICITY OF
MOISTURE CONDITION
CONSISTENCY OF COHESIVE SOILS
COHESIVE SOILS
COHESIVE SOILS
AFTER TERZAGHI (1948)
ABBREVIATIONS
HP - HAND PENETROMETER
UC - UNCONFINED COMPRESSION TEST
TV - TORVANE
UU - UNCONSOLIDATED UNDRAINED TRIAXIAL
MV - MINIATURE VANE
CU - CONSOLIDATED UNDRAINED
NOTE: PLOT INDICATES SHEAR STRENGTH AS OBTAINED BY ABOVE TESTS
U.S. STANDARD SIEVE SIZE(S)
6"
3"
3/4"
4
10
200
GRAVEL
SAND