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GrfcText!LGD A NNNN07 1/5/2010 10:25:51 AM - - - (200) UU SW TC TV UC (1.5) OH & MH CL CH LIQUID LIMIT (%) OTHER MATERIAL SYMBOLS Sand Silt Clayey Sand Abcde Abcde Abcde Abcde Abcde Abcde Abcde Abcde Poorly Graded Sand with Clay Sandy Silt Low to High Plasticity Clay Poorly Graded Gravelly Sand Topsoil Well Graded Gravel with Clay Well Graded Gravel with Silt Well Graded Gravelly Sand Gravelly Silt Asphalt Boulders and Cobble WA (200%) - - - - - WELL-GRADED GRAVEL POORLY-GRADED GRAVEL SILTY GRAVEL CLAYEY GRAVEL WELL-GRADED SAND POORLY-GRADED SAND SILTY SAND CLAYEY SAND LEAN CLAY SILT ORGANIC CLAY OR SILT FAT CLAY ELASTIC SILT ORGANIC CLAY OR SILT * NUMBER OF BLOWS OF 140 LB HAMMER FALLING 30 INCHES TO DRIVE A 2 INCH O.D. (1-3/8 INCH I.D.) SPLIT-BARREL SAMPLER THE LAST 12 INCHES OF AN 18-INCH DRIVE (ASTM-1586 STANDARD PENETRATION TEST). SAND & GRAVEL SILT & CLAY PENETRATION RESISTANCE (RECORDED AS BLOWS / 0.5 FT) RELATIVE DENSITY >50% OF COARSE FRACTION PASSES ON NO 4. SIEVE 0 - 4 4 - 10 10 - 30 30 - 50 OVER 50 VERY SOFT SOFT FIRM STIFF VERY STIFF HARD WASH ANALYSIS CONSISTENCY BLOWS/FOOT* SAMPLE TYPES 0 - 2 2 - 4 4 - 8 8 - 15 15 - 30 OVER 30 0 - 0.25 0.25 - 0.50 0.50 - 1.0 1.0 - 2.0 2.0 - 4.0 OVER 4.0 GRAVELS WITH FINES >12% FINES PRIMARILY ORGANIC MATTER, DARK IN COLOR, AND ORGANIC ODOR CLEAN GRAVELS <5% FINES PT GW GP GM GC SW SP SM SC CL ML OL CH MH OH UNIFIED SOIL CLASSIFICATION (ASTM D-2487-98) SOIL GROUP NAMES & LEGEND GROUP SYMBOL CRITERIA FOR ASSIGNING SOIL GROUP NAMES MATERIAL TYPES WATER LEVEL (WITH DATE OF) MEASUREMENT SIEVE ANALYSIS: % PASSING #200 SIEVE CHEMICAL ANALYSIS (CORROSIVITY) CONSOLIDATED DRAINED TRIAXIAL CONSOLIDATION CONSOLIDATED UNDRAINED TRIAXIAL DIRECT SHEAR POCKET PENETROMETER (TSF) (WITH SHEAR STRENGTH IN KSF) R-VALUE - - - - - - - - - 0 10 20 30 40 50 60 70 80 90 100 110 120 CA CD CN CU DS PP (3.0) RV SA GRAVELS ORGANIC INORGANIC ADDITIONAL TESTS PLASTICITY INDEX (%) 0 10 20 30 40 50 60 70 80 Job No. * SWELL TEST CYCLIC TRIAXIAL TORVANE SHEAR UNCONFINED COMPRESSION PEAT VERY LOOSE LOOSE MEDIUM DENSE DENSE VERY DENSE "A" LINE PLASTICITY CHART COARSE-GRAINED SOILS >50% RETAINED ON NO. 200 SIEVE HIGHLY ORGANIC SOILS >50% OF COARSE FRACTION RETAINED ON NO 4. SIEVE SILTS AND CLAYS LIQUID LIMIT<50 SILTS AND CLAYS LIQUID LIMIT>50 SANDS CL-ML INORGANIC SANDS AND FINES >12% FINES CLEAN SANDS <5% FINES (WITH % PASSING NO. 200 SIEVE) UNCONSOLIDATED UNDRAINED TRIAXIAL (WITH SHEAR STRENGTH IN KSF) (WITH % PASSING NO. 200 SIEVE - - COMPRESSIVE STRENGTH (TSF) BLOWS/FOOT* *company name* LEGEND TO SOIL DESCRIPTIONS Figure Number * FINES CLASSIFY AS ML OR CL FINES CLASSIFY AS CL OR CH FINES CLASSIFY AS ML OR MH FINES CLASSIFY AS CL OR CH PI>7 AND PLOTS>"A" LINE PI>4 AND PLOTS<"A" LINE LL (oven dried)/LL (not dried)<0.75 PI PLOTS >"A" LINE PI PLOTS <"A" LINE LL (oven dried)/LL (not dried)<0.75 C u 4 AND 1 C c 3 C u 4 AND/OR 1 C c 3 C u 6 AND 1 C c 3 C u 6 AND/OR 1 Cc 3 FINE-GRAINED SOILS >50% PASSES NO. 200 SIEVE ORGANIC

ASTM Soil Classification Cheatsheet

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ASTM Soil Classification Cheatsheet

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Page 1: ASTM Soil Classification Cheatsheet

Grf

cTex

t!LG

D A

NN

NN

07

1/5

/201

0 1

0:2

5:51

AM

-

-

-

(200)

UU

SW

TC

TV

UC

(1.5)

OH & MHCL

CH

LIQUID LIMIT (%)

OTHER MATERIAL SYMBOLS

Sand

SiltClayey Sand

Abcde Abcde

Abcde Abcde

Abcde Abcde

Abcde Abcde

Poorly Graded Sandwith Clay

Sandy Silt

Low to High Plasticity Clay

Poorly Graded Gravelly Sand

Topsoil

Well Graded Gravelwith Clay

Well Graded Gravelwith Silt

Well Graded Gravelly Sand

Gravelly Silt

Asphalt

Boulders and Cobble

WA

(200%)

-

-

-

-

-

WELL-GRADED GRAVEL

POORLY-GRADED GRAVEL

SILTY GRAVEL

CLAYEY GRAVEL

WELL-GRADED SAND

POORLY-GRADED SAND

SILTY SAND

CLAYEY SAND

LEAN CLAY

SILT

ORGANIC CLAY OR SILT

FAT CLAY

ELASTIC SILT

ORGANIC CLAY OR SILT

* NUMBER OF BLOWS OF 140 LB HAMMER FALLING 30 INCHES TO DRIVE A 2 INCH O.D. (1-3/8INCH I.D.) SPLIT-BARREL SAMPLER THE LAST 12 INCHES OF AN 18-INCH DRIVE (ASTM-1586STANDARD PENETRATION TEST).

SAND & GRAVEL SILT & CLAY

PENETRATION RESISTANCE(RECORDED AS BLOWS / 0.5 FT)

RELATIVE DENSITY

>50% OF COARSEFRACTION PASSES

ON NO 4. SIEVE

0 - 4

4 - 10

10 - 30

30 - 50

OVER 50

VERY SOFT

SOFT

FIRM

STIFF

VERY STIFF

HARD

WASH ANALYSIS

CONSISTENCYBLOWS/FOOT*

SAMPLE TYPES

0 - 2

2 - 4

4 - 8

8 - 15

15 - 30

OVER 30

0 - 0.25

0.25 - 0.50

0.50 - 1.0

1.0 - 2.0

2.0 - 4.0

OVER 4.0

GRAVELS WITH FINES>12% FINES

PRIMARILY ORGANIC MATTER, DARK IN COLOR, AND ORGANIC ODOR

CLEAN GRAVELS<5% FINES

PT

GW

GP

GM

GC

SW

SP

SM

SC

CL

ML

OL

CH

MH

OH

UNIFIED SOIL CLASSIFICATION (ASTM D-2487-98)

SOIL GROUP NAMES & LEGENDGROUPSYMBOLCRITERIA FOR ASSIGNING SOIL GROUP NAMESMATERIAL

TYPES

WATER LEVEL (WITH DATE OF)MEASUREMENT

SIEVE ANALYSIS: % PASSING#200 SIEVE

CHEMICAL ANALYSIS (CORROSIVITY)

CONSOLIDATED DRAINED TRIAXIAL

CONSOLIDATION

CONSOLIDATED UNDRAINED TRIAXIAL

DIRECT SHEAR

POCKET PENETROMETER (TSF)

(WITH SHEAR STRENGTH IN KSF)

R-VALUE

-

-

-

-

-

-

-

-

-

0 10 20 30 40 50 60 70 80 90 100 110 120

CA

CD

CN

CU

DS

PP

(3.0)

RV

SA

GRAVELS

ORGANIC

INORGANIC

ADDITIONAL TESTS

PLA

ST

ICIT

Y I

ND

EX

(%

)

0

10

20

30

40

50

60

70

80

Job No. *

SWELL TEST

CYCLIC TRIAXIAL

TORVANE SHEAR

UNCONFINED COMPRESSION

PEAT

VERY LOOSE

LOOSE

MEDIUM DENSE

DENSE

VERY DENSE

"A" L

INE

PLASTICITY CHART

CO

AR

SE

-GR

AIN

ED

SO

ILS

>50

% R

ET

AIN

ED

ON

NO

. 20

0 S

IEV

E

HIGHLY ORGANIC SOILS

>50% OF COARSEFRACTION RETAINED

ON NO 4. SIEVE

SILTS AND CLAYS

LIQUID LIMIT<50

SILTS AND CLAYS

LIQUID LIMIT>50

SANDS

CL-ML

INORGANIC

SANDS AND FINES>12% FINES

CLEAN SANDS<5% FINES

(WITH % PASSING NO.200 SIEVE)

UNCONSOLIDATEDUNDRAINED TRIAXIAL

(WITH SHEAR STRENGTHIN KSF)

(WITH % PASSING NO.200 SIEVE

-

-

COMPRESSIVE

STRENGTH (TSF)BLOWS/FOOT*

*company name* LEGEND TO SOIL

DESCRIPTIONSFigure Number

*

FINES CLASSIFY AS ML OR CL

FINES CLASSIFY AS CL OR CH

FINES CLASSIFY AS ML OR MH

FINES CLASSIFY AS CL OR CH

PI>7 AND PLOTS>"A" LINE

PI>4 AND PLOTS<"A" LINE

LL (oven dried)/LL (not dried)<0.75

PI PLOTS >"A" LINE

PI PLOTS <"A" LINE

LL (oven dried)/LL (not dried)<0.75

Cu 4 AND 1 Cc 3

Cu 4 AND/OR 1 Cc 3

Cu 6 AND 1 Cc 3

Cu 6 AND/OR 1 Cc 3

FIN

E-G

RA

INE

D S

OIL

S>

50%

PA

SS

ES

NO

. 20

0 S

IEV

E

ORGANIC