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Four Corner - Texas Water Development Board

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LOG OF SOIL BORING<br />

Project Name: Richmond Treatment Plant<br />

Boring No.: B-1 0 Date: July 14, 1992<br />

Depth of water encountered during drilling: none<br />

Groundwater at none<br />

after 1/2 hour<br />

Project No. 92-1 60G<br />

Elevation: See text<br />

. . .. .<br />

Depth to caving: none<br />

SOIL SYMBOLS<br />

ElEVATION<br />

SAMPLER SYMBOLS<br />

-200<br />

SOIL DESCRIPTION<br />

DO<br />

DEPTH<br />

%PASS PCF<br />

SHEAR STRENGTH, TSF<br />

0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7<br />

AND FIELD TEST DATA<br />

MOISTURE 0 CONTENT. %<br />

If-----"--------+----------------+----+--~ PLASTIC LIMIT<br />

, LIQUID LIMIT<br />

10 20 0 40 50 60 70 80 90<br />

- .................. ············· ··························<br />

Firm to stiff dark brown CLAY w/ roots<br />

1-5<br />

slickensided w/ wood fragments and<br />

stones below 2'<br />

- ······································ ......... ·········<br />

Very stiff brown and gray SILTY CLAY<br />

w/ calcareous and ferrous nodules<br />

91<br />

•· vr-+--+--+---t-+11 .<br />

I ·-<br />

f- 10<br />

1- 15<br />

.. ~5/6 - ............... ·············· ········ ....... .<br />

;/ / /. Very stiff brown SANDY CLAY w/ silty<br />

~ ~~j, ~"' '""""'"' u•m•<br />

1-20<br />

P1:~~~~6<br />

V./~15/6<br />

T<br />

76<br />

-25<br />

f-30<br />

1-35<br />

Shear Types: • =Hand Penet. • = Torvane • = Unconf. Camp. • = UU Tnax1al<br />

See Plate 1 for boring location. Plate 1 1<br />

HVJ ASSOCIATES, INC.

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