Ignoring borehole factors and hammer efficiency, estimate the saturated unit weight and friction angle of the soil at a depth of 5.5 ft for the...
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Ignoring borehole factors and hammer efficiency, estimate the saturated unit weight and
friction angle of the soil at a depth of 5.5-6.5 ft for the borehole on the back side of this sheet.
Density/Consistency
Soil derisity consistency in borings is related primarily to the Standard Penetration Resistance Soil density consistency in test pits Is
estimated based on visual observation and is presented parenthetically on the test pit logs
Standard
Density
Standard
SAND of GRAVEL
Penetration
SILT or CLAY
Penetration
Resistance (N)
Consistency
Resistance (N)
Approximate Shear
in Blows. Foot
Strongth in TSF
Very loose
Very soft
in Blows Fool
0-4
0-2
&lt;0.125
Loose
4 - 10
Soft
2-4
0.125 - 0.25
Medium.danse
10-30
13
Medium stiff
0.25 - 0.5
Dense
30- 50
Stiff
8- 15
0.5 - 10
Very dense
$50
Very stiff
15 -30
10. 20
Hard
x3D
$20
Relative Density, D,(%)
Classification
0-15
Very loose
15-35
Loose
35-65
Medium dense&quot;
65-85
Dense
85--100
Very dense
15
Dry Unit Weight. Ya (kN/m')
20
40
Relave Density 100fb
Effective Friction Angle, ' (Dog)
75%
GP
35
Soil Type
SM ) And
2516
30
in this Range _.
25
I'd Yx 110 pet
80
110
120
150
Dry Unii Weight. y, Chai
12 1.1 10 09
ON
07 065 06 035 05 045 04 035 03 025
Void Ratio.

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CLASSIFICATION OF
BOX OF
REMARKS
MATERIALS
% CORE
SAMPLE
Dellling time, water less, depth of weathering
ELEVATION
DEPTH
LEGEND
(Description)
RECOVERY
No.
etc, if significant)
Fill, Sand, silt, clay, brown,
17&quot;/24&quot;
SS-1
N= 4.6.6,6
SS-1
moist, medium dense, trace
71%
0-2
4 Gravel= 229
gravel
Sed= 60.1
2
96 Silt= $1.7
16 Clay = 53
Brick, moist
6724&quot;
SS-2
N= 4.4,5.4
USCS = SC-5M
25%
2.3-4.5
PH H,0= 8 2
PHILIM CC!= 75
$81.6
5.D
SP. Sand, fine, black, wet,
17/24
SS-3
N-45.8.9
N - 136
580.6
6.0
medica dense, trace gravel
71%
5.0-7.0
Petroleum odor
Trace product
ITTT

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