Four Corner - Texas Water Development Board

lOG OF SOil BORING
Project Name: Richmond Treatment Plant
Boring No.: B-1 Date: July 14, 1992
Depth of water encountered during drilling: none
Groundwater at none after 112 hour
ELEVATION
DEPTH
SOIL SYMBOLS
SAMPLER SYMBOLS
AND FIELD TEST OAT A
SOIL DESCRIPTION
·200
%PASS
DO
PCF
Project No. 92-1 60G
Elevation: See text
. . ... .
Depth to caving: none
~~-----1----..:..----+----------------lf---f---1 PLASTIC liMIT ,
ro
r
r-s
~
~
0
V/
Y/
~ V);
. . )
. /!
. '
I
'
II
- Firm dark brown CLA·y· -~i ~0~1-~~ .. .
sandstones, calcareous and ferrous
nodules
w/ wood fragments at 3'
- ............................. .
Stiff to very stiff brown and gray SANDY
CLAY w/ calcareous and ferrous nodules
wf silty sand seams to a·
wf roots and sand partings below a·
- ······ .......... .
Very stiff brown Sll TY CLAY w/ roots
95
SHEAR STRENGTH. TSF
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
MOISTURE 0 CONTENT. 'l6
liQUID liMIT
10 _10 0 40 50 60 70 80 90
•
~ /
\
\
j\,
...J
.
.
l
1-20
r
r
r
1-25
- .......... .
Very stiff gray and brown slickensided
CLAY w/ sand pockets, calcareous and
ferrous nodules
I
'
1----1-+-t---f---+-~----j--j---;1.
J
I '
I
I
r3s
Shear Types: • =Hand Penet. • = Torvane • = Unconf. Camp. • = UU Tnax1al
See Plate 1 for boring location. Plate 2
HVJ ASSOCIATES, INC.