Based on principle of correcting method of subgrade-stress relieving and deformation mechanism of soft soil, a nonlinear elastic-viscoelastic rheological constitutive model of soil is proposed.

• 根据地基应力解除法纠偏方法原理和软土的变形机理,建立了土体非线性弹-粘弹流变本构模型,并将其成功运用于软粘土地基应力解除法纠偏工程实践。