Multipurpose Classification Systems

Highway Engineering oriented Classification Systems

Soil Sample

USDA Soil Textural

USCS

AASHTO

French Road Earthworks Manual (GTR)

P 1

Silty Loam

Sandy Elastic Silt (MH)

A-5

A2 h

P 2

Silty Loam

Silty Sand With Gravel (SM)

A-7-5

A2 m

P 9

Silty Loam

Silty Sand (SM)

A-7-6

A2 h

P 10

Sandy Loam

Silty Sand (SM)

A-7-5

A2 th

P 11

Sandy Loam

Sandy Elastic Silt (MH)

A-7-5

A2 h

P 12

Silty Loam

Sandy Elastic Silt (MH)

A-5

A1 m

P 13

Sandy Loam

Sandy Elastic Silt (MH)

A-7-6

A3 m

P 14

Sandy Loam

Silty Sand (SM)

A-5

A2 m

P 15

Sandy Loam

Silty Sand (SM)

A-5

A2 s

P 16

Silty Loam

Silty Sand With Gravel (SM)

A-7-6

A3 s