Soil Report - S

LEGEND

   

 

       

Investigation Code
GP — Poorly graded gravels, little or no fines
GC — Clayey gravels

SP — Poorly graded sands, little or no fines
SC — Clayey sands

OL - Organic silts and organic silty clays
CI - Inorganic clays of medium plasticity
CH - Inorganic clays of high plasticity OH - Organic clays medium/high plasticity
Pt — Peat and other highly organic material Ls — Linear Shrinkage %

Note The stratifications identified on our log sheets are representative of the approximate boundary
between soil types and the transition may be gradual and vary over the site.

Soil descripti 1 the Geotechni
GW — Well graded gravels, little or no fines
GM - Silty gravels

SW — Well graded sands, little or no fines
SM - Silty sands

ML - Inorganic silts and very fine sands
CL ~ Inorganic clays of low plasticity

 

 

 

 

 

 

 

 

 

 

 

 

   

ion:
Dk - Dark, Lt— Light, Gy- Grey, Rd- Red, Br—Brown, Or-— Orange, Mott - Mottled.
LP, MP, HP - Low, Medium, High Plasticity. SW - Slightly Weathered Rock.
P (p) — blows/100 mm approved penetrometer DW - Distinctly Weathered Rock.
UTP — Unable to penetrate EW - Extremely Weathered Rock.

 

 

 

 

 

 

 

  
  

      

aring cap: Is
Soft (S) — 25 to 50 kPa
Very Stiff (VSt) — 200 to 400 kPa

 

 

Firm (F) — 50 to 100 kPa
Hard (H) — 400+ kPa

Very soft (Vs) —<25 kPa
Stiff (St)— 100 to 200 kPa

 

 

 

 

 

 

SPT “N” value Relative Density (%)

Density

Very Loose (VL)
Loose (L)
Medium Dense (MD)
Dense (D)

Very Dense (VD)

Boulder
Cobble

Gravel

Sand

Clay

Looks and feels dry, c!

Moist
Wet

soils are normally hard,
Feel cool, darkened in colour, no free water on hands when remoulding.
Soils are weak, free water can occur; granular soils bind together, clay softened.

<4

4-10
10 ~30
30-50
> 50

Coarse
Medium
Fine
Coarse
Medium
Fine

or friable.

<15
15-35
35-65
65-85
> 85

> 200
63 — 200
20 - 63

2-20
0.6 —2.0
0.2—0.6

0.075 — 0.2

0.002 — 0.075

< 0.002

 

 

Unearthed Geotechnical P/L.

5 Site Investigation Report 020-212