Four Corner - Texas Water Development Board

LOG OF SOIL BORING
Project Name: Richmond Treatment Plant
Boring No.: 8-2 Date: July 15, 1992
Depth of water encountered during drilling: none
Groundwater at none
after 1/2 hour
Project No. 92-160G
Elevation: See text
Depth to caving· none
SOIL SYMBOLS
SHEAR STRENGTH. TSF
ELEVATION
• • ... I
SAMPLER SYMBOLS
SOIL DESCRIPTION
·200
DEPTH
%PASS ~c~ f-::.;o-~J....:o.;.:.6:.....::.;0.~9....:1.;.:.2:.....:..1.;.::5_1:.;..s:.....:2.;.:.1....:2~-=-4 ~2;..:. 7__;_,
AND FIELD TEST DATA
MOISTURE 0 CONTENT, % i:
lf-----..l.---'------+----------------+---+--iPLASTIC LIMIT
, LIQUID LIMIT
-
10 20 30 40 50 60 70 so 90
Stiff to very stiff dark gray CLAY
w/ roots to 4'
w/ ferrous nodules below 2'
89
r-s
wf calcareous nodules below 6'
- ................... .
Very stiff brown SILTY CLAY
1/
II
c
-10
t- 15
~
6/6
11/6
15/6
w/ sand partings at 14'
94
1\
t- 20
'
~
- .......................... .
Very stiff brown slickensided CLAY w/
ferrous nodules
I~
I·
~4-~-4-+-~-+-r-,_~--·
t- 35
Shear Types:
I!
I;
li I
~-4-+-+-r-r,_T-~1 ,,
• = H a nLd_P_e_n_e_t_. -.-=-T-o-rv_a_n_e_"_=_U_n_c_o_nLf-.-=c:-o-m...Lp-.---L•_=LU---lU:-T::Ln-a..J.x-:-ra-:IL-..l.--'----'---'~~~
See Plate 1 for boring location. Plate 3
ll
HVJ ASSOCIATES, INC.
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