LOG OF BORING B-1

STARVATION COVE MARSH RESTORATION (HOECKERS CUT)

GALVESTON, TEXAS

TYPE OF BORING: AIR BOAT MOUNTED RIG

PSI Project No.: 286-271

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COORDINATE (X) OR EASTING:

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APPROXIMATE

COORDINATE (Y)

SURFACE

OR NORTHING:

ELEVATION:

13651719.77

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feet

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:;:: LATITUDE:

29° 13' 29.01

N

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LONGITUDE:

94° 56' 24.79

W

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SOIL DESCRIPTION

CL

IX

SANDY LEAN CLAY (CL), VERY SOFT, GRAY

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DEPTH OF BORING:

10

FEET

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DATE DRILLED:

3/27/10

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NOTES:

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Geotechnical Consultmg Services

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1714

Memonal Drive

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Houston, Texas 77007

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SHEAR STRENGTH

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WOH

69

24

WOH

47

16

31

44

-

-

WOH

74

41

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WOH

44

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--

-

-

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GROUND WATER DURING DRILLING (FT):

5

FT ABOVE MUDLINE

GROUND

WATER

DELAYED GROUND WATER (FT):

PLATE NO: 3 (Page 1 of 1)

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KEY TO TERMS AND SYMBOLS USED ON LOGS

SOIL TYPE

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GRAvEL

SILT

LEAN CLAY FAT CLAY

PEAT

MODIFIERS

II

'000'""

[J

ITIJ

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II

......

000

+.::+.::+.:

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000

+.::+.::+.:

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STONE

GRAvELy

SANDY

SILTY

CLAYEY

MISC.

(SEE TEXT ON LOG)

UNIFIED SOIL CLASSIFICATION SYSTEM - ASTM D

2487

70

60

----

50

40

7:~

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, .

30

20

V

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10

-_.

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MHOROH

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~~~~"~_-S_'-"""_··_-'·-,i-,T_--,I-,-_M~

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- __ -_-:i..: _._--_-- ____ ....... __ '--1_ ....

10

20

30

40

DEGREE OF PLASTICITY OF

COHESIVE SOILS

50

60

Liquid Limit

DEGREE OF

PLASTICITY

PLASTICITY

INDEX SWELL POTENTIAL

NONE OR SLIGHT

o

T04

NONE

LOW

4 TO 20

LOW

MEDIUM

20 TO 30

MEDIUM

HIGH

30 TO 40

HIGH

VERY HIGH

> 40

VERY

HIGH

ABBREVIATIONS

70

60

90

100

110

MOISTURE CONDITION

COHESIVE SOILS

DESCRIPTION

Absence of moisture,

dusty, dry to touch

Damp but no visible

water

Visible free water

CONDITION

DRY

MOIST

WET

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

SAMPLER TYPE

I

NO

I

AUGER

~

SHELBY

~

SPLIT

~

SAMPLE

SAMPLE

TUBE

SPOON

~

NO

ROCK

W

2" SHELBY

II

TXDOT

H

RECOVERY

CORE

TUBE

CONE

CONSISTENCY

OF COHESIVE SOILS

SHEAR STRENGTH

CONSISTENCY

IN

TONSlFT

2

VERY SOFT

o

TO 0.125

SOFT

0.125 TO 0.25

FIRM

0.25 TO 0.5

STIFF

0.5 TO 1.0

VERY STIFF

1.0 TO 2.0

HARD

>

2.0 OR 2.0+

RELATIVE DENSITY - GRANULAR SOILS

CONSISTE;-.JCY

NNAlUE (BLOWS/FOOT)

VERY LOOSE

OT04

LOOSE

5 T09

MEDIUM DENSE

10 TO 29

DENSE

30 TO 50

VERY DENSE

> 50 OR 50+

CONSISTENCY OF COHESIVE SOILS

AFTER TERZAGHI

(1948)

CONSISTENCY

VERY SOFT

SOFT

FIRM

STIFF

VERY STIFF

HARD

N-VALUE (BLOws/FOOT)

<2

2 T04

4 T06

6 TO 15

15

TO 30

> 30

FINAL GROUND WATER LEVEL

INITIAL GROUND

WATER

LEVEL

CLASSIFICATION

OF GRANULAR SOILS

U.S. STANDARD SIEVE SIZE(S)

40

6"

3"

3/4"

4

10

200

I

BOULDERS

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COBBLES

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COARSE I FINE COARSEI MEDIUM I FINE I

SILT

OR CLAY

I CLAY

152

76.2

19.1

Geotechnical Consultmg Services

Houston, Texas.

4.76

2.0

0.42

0.074

GRAIN SIZE IN MM

0.002

PLATE 23

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