传统的土体本构模型大多是基于室内重塑土试验建立的。
The classical soil constitutive models almost were constituted by reconstituted soil in the lab tests.
土体本构模型一般都将土体作为各向同性材料，应用于混凝土面板堆石坝应力变形计算时常带来不小的误差，本文以双曲线模型为例剖析了计算中存在的问题。
In most of soil constitutive models, the soil is taken as isotropic material. This may result in significant error in stress and deformation computation for concrete slab in rock-fill dam.
利用土体的塑性流动理论，提出了用于描述饱和砂土在单调荷载作用下的应力—应变反应性质的弹塑性本构模型。
Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the stress-strain behavior of the saturated sands under the action of monotonic loading is developed.
利用土体的塑性流动理论，提出了用于描述饱和砂土动力反应性质的弹塑性本构模型。
Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the dynamic behavior of the saturated sands is developed.
饱和土体的动力本构模型对于土体的动力反应计算分析和岩土工程初边值问题的求解发挥着重要的作用。
The dynamic constitutive models of saturated soils play an important role to the calculation of the dynamic response of soils and the solution to geotechnical initial and boundary value problems.
为了模拟填土工程中土体的变形，需要建立在等主应力比应力路径下的本构模型。
To simulate the deformation of soils in fill construction, it is necessary to build up the constructive model under the stress path of constant ratio of principal stress.
根据数值流形方法的特点和岩土体的本构模型，给出了适用于非线性分析的数值流形方法的计算方法。
Based on the characteristics of the numerical manifold method and constitutive models of rock and soil mass, the formula of numerical manifold method for nonlinear analysis is presented.
在总结现有土体蠕变模型基础上，提出了适合合肥地区非饱和膨胀土的本构模型。
Based on the existing soil creep model, proposed the unsaturated expansive soil constitutive model in Hefei area.
在总结现有土体蠕变模型基础上，提出了适合合肥地区非饱和膨胀土的本构模型。
Based on the existing soil creep model, proposed the unsaturated expansive soil constitutive model in Hefei area.
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