Under the condition of-2~ ( 1/ 2) three-dimensional stress state on plasticity can be equivalent to a plane stress state. As the condition mention above is satisfied the plastic stress can be determined with single-value on the plastic strain.

Compared with the condition of the two-dimensional stress state, the influence of all the parameters to the results of the formulas of the critical edge load and critical load in the condition of the three-dimensional stress state is analyzed in the end of this paper.

并通过实际的算例详细的分析了临塑荷载、临界荷载中各个参数在二维应力状态下和三维应力状态下对计算结果进行了影响程度分析。

The helix angle is great generally that is close to about 45 °, this makes the cross helical gear be under to three-dimensional stress state after it is received strength;

交错轴斜齿轮的螺旋角一般较大，接近45°左右，这使得交错轴斜齿轮受力后处于三维应力状态；

As a very effective tool to explore the soil stress-strain relationship, true triaxial apparatus is a very important test equipment to study the soil under the three-dimensional stress state.

真三轴仪是研究土体在三维应力状态下的重要测试仪器，为探寻土体的应力应变关系十分有效的工具。

Sandwiched rock between twin closely spaced tunnels is in complicated and three-dimensional stress state.

小净距隧道的中间夹岩处于复杂的三维受力状态。

Therefore, ( ABOw+ BPOp)/ Al should be deformed by hot extrusion with three-dimensional stress state.

所以，（ABOw+BPOp）/Al复合材料热变形更适合于存在三向应力状态的热挤压变形。

Three-dimensional stress concentration of a plate with semicircular notches under tension and bending

半圆孔板承受拉伸和弯曲时的三维应力集中

Holo-photoelastic Method For Three-dimensional Stress Analysis

三向应力分析的全息光弹性法

A mixed-mode fracture criterion based on maximum Mises stress on radial plane under three-dimensional stress condition

考虑三向应力效应的最大Mises应力复合断裂判据

The Finite Element Study of Three-Dimensional Stress Concentration Factor of Half Infinite Solid with Surfact Notch

具有表面凹坑的半无限体三维应力集中系数有限元研究

Three-dimensional stress wave propagation in fluid-saturated porous media

液饱和多孔介质中三维应力波的传播

Three-dimensional Stress Distribution of T-type Compression Die

T型挤压平模三维应力分布

A geometric representation and equation of isotropic strain-hardening in a three-dimensional stress space

应力空间内强化方程与其几何描述

Three-dimensional stress analysis for a shrouded air-cooled turbine blade

带冠空心冷却叶片的三维应力分析

Three-dimensional stress concentration in shoulder fillets under tension and bending

矩形凸肩板拉伸和弯曲时三维应力集中

Three-Dimensional Stress Analysis of Time-Dependent Interaction of Tunel Rock with Its Support in Rapid Excavation Project

快速掘进巷道岩石与支护共同作用的三维应力分析

Three-Dimensional Stress Concentration Effect in Notched Plates

带槽平板的三维应力集中效应

Rock failure mechanism and true triaxial experimental study of specimens with single structural plane under three-dimensional stress

三向应力状态下单结构面岩石试样破坏机制与真三轴试验研究

Numerical simulation of surface crack propagation considering the crack closure effects and the three-dimensional stress constraints

考虑闭合效应和三维应力约束的表面裂纹扩展模拟

Study of bearing capacity of foundations considering both effects of intermediate principal stress and three-dimensional stress state

考虑中主应力及三向应力状态影响的地基承载力分析

These materials can be used directly in the general three-dimensional stress analysis by holophotoelastic method.

用这种材料制成的三维模型，可以通过全息光弹性方法获得三维应力的全应力实验解答。