Soil Properties

(1)Void Ratio, e

V_v / V_s

(2)Void Ratio, e

n / (1-n)

(1)Porosity, n

V_v / V

(2)Porosity, n

e / (1+e)

(1)Degree of Saturation, S

V_w / V_v

Four Way Formula

G_s*w=eS

(1)Moisture Content, w

W_w / W_s

(2)Moisture Content, w

(W_wet - W_dry) / W_dry

(1) Specific Gravity, SG

Y_s / Y_w

(2)Specific Gravity, SG

W_s / V_s*Y_w

(1)Moist Unit Weight, Y_moist

W_wet / V_wet

Unit Weight, Y

W / V

(2)Moist Unit Weight, Y_moist

W_s(1+w) / V

(3)Moist Unit Weight, Y_moist

Y_dry(1+w)

(4)Moist Unit Weight, Y_moist

(SG+Se)*Y_w / (1+w)

(1)Dry Unit Weight, Y_dry

W_dry / V

(2)Dry Unit Weight, Y_dry

(SG*Y_w) / (1+e)

(1)Saturated Unit Weight, Y_sat

(W_s + W_w) / V

(2)Saturated Unit Weight, Y_sat

(SG+e)*Y_w / (1+e)

(1)Density, rho

M / V

(2)Density, rho

SG*rho_w(1+w) / (1+e)

(1)Dry Density, rho_dry

M_s / V

(2)Dry Density, rho_dry

SG*rho_w / (1+e)

Saturated Density, rho_sat

(SG+e)*rho_w / (1+e)

(1)Effective Unit Weight, Y_eff

Y_sat - Y_w

(2)Effective Unit Weight, Y_eff

(SG-1)*Y_w / (1+e)

Dry Unit Weight at Zero Air Voids, Y_zav

SG*Y_w / (1+w*SG)