Land subsidence results from changes in the pressure borne by pore water in the soil and the effective stress borne by soil skeleton.
地面沉降是土层中孔隙水承担的孔隙水压力和土骨架承担的有效应力发生变化的结果。
If the soil skeleton is regarded as the viscoelastic media, the stress-strain relation will be changed with time, which increases the complexity of the problems.
当土骨架是粘-弹性介质时，应力与应变的关系随时间变化，增加了问题的复杂性。
The interaction between pore water and soil skeleton including both buoyancy and seepage effects could be precisely taken into account in a fully coupled effective stress approach.
完全耦合方法可以模拟孔隙水和土骨架间漂浮和渗透的相互作用。
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