HomeMy WebLinkAbout1980-06-13 Soil Boring ReportSOIL exPtc;%zation
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SOIL T=ST 30RAGS ! _? ti0. �,�� - 6 �'% I _ __ � ��i C � :� = GC `.V.
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GENERAL NOTES
,
DRILLING & SAMPLING SYMBOLS
LABORATORY TEST SYMBOLS
SYM130L
DEFINITION
SYMBOL DEFINITION
C.S.
Continuous Sampling
W Moisture content - percent of dry weight
P.D.
2-3/8" Pipe Drill
D Dry density -pounds per cubic foot
C.O.
Cleanout Tube
LL, PL Liquid and plastic limits determined in
31/: HSA
314" I.D. Hollow Stem Auger
accordance with ASTM D 423 and D 424
4 FA
4" Diameter Flight Auger
Ou Unconfined compressive strength -pounds per
6 FA
6" Diameter Flight Auger
square foot in accordance with ASTM D2166-66
2'h C
217' Casing
4C
4" Casing
Additional insertions in Qu column
D.M.
Drilling Mud
Pq Penetrometer reading-tons/square foot
J. W.
Jet Water
Ts Torvane reading-tons/square foot
H. A.
Hand Auger
G Specific gravity - ASTM D 854-58
NXC
Size NX Casing
SL Shrinkage limit - ASTM D 427-61
BXC
Size BX Casing
pH Hydrogen ion content -meter method
AXC
Size AX Casing
0 Organic content -combustion method
SS.
2" O.D. Split Spoon Sample
M.A.* Grain size analysis
2T
2" Thin Wall Tube Sample
C. One dimensional consolidation
3T
3" Thin Wall Tube Sample
Qc• Triaxial compression
'See attached data sheet and/or graph ,
WATER LEVEL
SYMBOL —'W
Water levels shown on the boring logs are the levels measured in the borings at the time
and under the conditions indicated.
In sand, the indicated levels can be considered
reliable ground water levels. In clay soil, it is not possible to determine the ground
water level within the normal scope of a test boring investigation, except where lenses
or layers of more pervious waterbearing
soil are present and then a long period of time
may be necessary to reach equilibrium.
Therefore, the position of the water level svmbol
for cohesive or mixed texture soils
may not indicate the true level of the ground water L
table. The available water level
information is given at the bottom of the log sheet.
DESCRIPTIVE TERMINOLOGY
DENSITY
TERM
"N" VALUE
Very loose
0-4
Loose
5-8
Medium Dense
9-15
Dense
16-30
Very Dense
Over 30
CONSISTENCY
TERM "N" VALUE
Soft
0-4
Medium
5-8
Rather Stiff
9-15
Stiff
16-30
Very Stiff
Over 30
Standard "N" Penetration: Blows per foot of a 140 pound hammer falling 30 inches on a 2 inch OD split spoon.
RELATIVE PROPORTIONS
TERM
RANGE
Trace
0-51;
A Little
5-15%
Some
15-30%
With
30 50'0
PARTICLE SIZES
Boulders
Over 3"
Gravel
Coarse
Fine
::4 ,�..
Sand
Coarse
=4-x10
Medium
=10-"40
F!ne
=40-:200
t and Clay
Determined by :'3511c1ty
Chafac:er-stics
S'- _ _ 3'1i .%- are .t3-)dard
LOG OF T=ST 3CRING
12G-6127 -
=� `��. _ VEPT SAL SCALE 1 - 6 �� a '.G NO 4 Cont.
Q.,.F • _ERC,:MED _KIINGMAN RESIDE,iCE. LAKE MINNETONKA, MItINE_SOTA
Jct+rH DESCRIPTION OF MATERIAL AYIP LABORATORY TESTS
IN GEOLOGIC
'LET ORIGIN N 'AFL W D VLQY
LEAN CLAY (Cont.) (CL)
i 12 1115I SS
6cj I �l4*I I16ISS
76 —
End of Boring
*Water level is expected to be at
depth of approximately 4.`.
**H'gh blow count due to encounter
of piece of coarse gravel.
***No measurement recorded due to
presence of drilling fluid.
MIM, ► ►�
11 1 1 191 SS
�'A
irq LEVEL MEASUREMENTS
•Aa+ 6�13-80-.,,,.; 6-13-80
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LOG OF TEST BORING
FILL
3
1
SS
FILL, mostly SANDY CLAY,
a little gravel, brown,
gray and black
5
2
SS
brown and brojqn, wet (Pt)
DEPOSIT
14
ML:K, brown. gray and
CLAY, a little
grayish brown,
2
0
St
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`
'
2
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SS�
ITILL
/CL� ` ~ | l�
|lO/ 53
CLAY a trace to a
14,-.:le gravel, gray, imedium
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' 7 :l2 .
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