过去常把盐岩作为弹性体或弹塑性体考虑，而没有考虑其时间效应。
In the past, salt formation is often regarded as an elastic or elastic-plastic body, and the effect of time is not taken into account.
证明了泛函j的一次变分为零相当于满足刚塑性体动力学的全部方程。
It is proved that the vanishing of the first variation of the functional J is equivalent to all the equations which should be satisfied in the dynamics of rigid-plastic continua.
研究结果表明火灾中钢构件内力分析时，可把构件视为理想的弹塑性体；
The results show that steel structure member can be regarded as ideal elastic-plasticity body when analyzing its internal force in fire.
根据刚塑性体的静力平衡条件，推导了方形浅基础地基承载力的理论解。
A new theoretical solution of shallow square foundation is presented based on static equilibrium of rigid-plasticity body.
最后，根据三轴流变试验结果，将连云港软土作为弹-粘塑性体来研究。
Finally, according to the results of triaxial rheological test, Lianyungang soft clay can be investigated as an elastic-viscoplasticity.
结果表明，似膏体料浆在较高浓度近似呈宾汉塑性体，在管道中的流态属于层流。
The result shows that the rheological model of paste-like slurry is similar to that of Binhan and its flow state in pipeline transportation is of laminar flow type.
该流变模型通过引入非线性黏塑性体可以描述岩石流变的减速、等速特别是加速蠕变阶段。
Through introducing the nonlinear viscoplastic component, this rheological model can describe the transient creep stage, steady-state creep stage and tertiary creep stage.
对于粘土 ，卸载体缩完全是塑性体缩 ，表明粘土的结构性随着加卸载过程而遭到破坏。
To clay, the volume contraction is totally resulted by plastic contraction, which indicates that the structure of soils destroyed with the loading unloading process.
本文以槽钢为主要研究对象，假定材料为理想弹塑性体，在ANSYS中建立其有限元模型。
The main study object of the paper is channel steel whose finite element models are founded in ANSYS the material is assumed as elastic-plastic body.
塑性应变增量方向与应力路径没有很大关系，以等塑性体应变为硬化参数的屈服面形状也是椭园。
The direction of plastic strain increment is nearly independent of the stress path. The shape of yield sur- face on hardening e…
塑性应变增量方向与应力路径没有很大关系，以等塑性体应变为硬化参数的屈服面形状也是椭园。
The direction of plastic strain increment is nearly independent of the stress path. The shape of yield sur - face on...
以塑性体应变与塑性剪应变之间的相互作用原理为指导，对粘土本构关系的数值建模方法进行了研究。
Based on the principle of interaction between plastic volumetric strain and plastic generalized shear strain, the method of numerical modeling for constitutive relations of clay is studied.
应用弹塑性介质的本构理论，视岩体为弹塑性体，得到隧道开挖引起的地层应力变化计算公式、计算程序。
In the application of elastoplastic medium theory, the rock and soil are assumed to be elastoplastic medium, and the stress change due to tunnel excavation can be calculated, too.
本文中建议了一个包含塑性体应变和偏应变两个硬化参数的封闭屈服面模型，可以同时应用于正常固结土和超固结土。
In this paper a double hardening model with two hardening parameters (i. e. plastic volumetric strain and shear strain) and a single smooth yield function has been proposed.
对两端固定的工字钢短柱的温度应力进行试验研究，给出的温度应力估算公式与试验结果符合性较好。研究结果表明火灾中钢构件内力分析时，可把构件视为理想的弹塑性体；
The temperature stress of I-profile short axially-restricted column is studied, a regression formula of temperature stress is proposed, and it agrees well with the experimental results.
对两端固定的工字钢短柱的温度应力进行试验研究，给出的温度应力估算公式与试验结果符合性较好。研究结果表明火灾中钢构件内力分析时，可把构件视为理想的弹塑性体；
The temperature stress of I-profile short axially-restricted column is studied, a regression formula of temperature stress is proposed, and it agrees well with the experimental results.
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