Soil Type

Calculation Type

Behavior Type

Test Types

Parameters

Equation

Apparatus

Cohesive Saturated

Short Term

Undrained

UU

CU

C u

λ c u

τ = C u

Δ C u = λ c u Δ σ p

Triaxial (Shear Box)

Shear Tester

Self-boring Pressuremeter

Unsaturated Cohesive

Short Term

Undrained

UU

C u u

ϕ u u

τ = C u u + σ tan ϕ u u

Triaxial (shear box)

Cohesive

Long Term

Drained

CD

CU with u measurement

C

ϕ

τ = C + σ tan ϕ

Triaxial or Shear Box (CD)

Triaxial (CU)

Granular

Long Term,

Short Term

Drained

CD

C

ϕ

τ = C + σ tan ϕ

Triaxial or Shear Box