shaft.fs_partially_liquefied()

Unit shaft resistance through soil at pore-pressure ratio ru.

Usage

Source

shaft.fs_partially_liquefied(
    fs_unliq,
    ru,
    sr,
    alpha,
)

Parameters

fs_unliq: float

Unliquefied unit shaft resistance, ksf.

ru: float

Pore-pressure ratio.

sr: float

Residual strength of the liquefied soil, ksf.

alpha: float

Interface factor on sr.

Returns

float

max((1 - ru) fs_unliq, ru alpha sr).

References

Boulanger and Brandenberg (2004).