Appended figure1-4 Liquefaction mechanism


(a)Sands which are accumulated loosely before liquefaction.

(b)At the moment of liquefaction all particles are in a floating state.

(c)Liquefaction is completed in the lower part while it still continues in the upper part.

(d)Liquefaction is completed in all strata ,and the ground is dense.

[by Yoshimi (1980)]