principal stresses

Thus the directions that emerge for extremizing the normal stress are the directions corresponding to the principal stresses .

因此，产生最大正应力的方向就是相应于主应力的方向。

Seismic Conjugate Ruptures and Limiting Principal Stresses Accompanying Variation of Depths in the Crust ── Take 1975 Haicheng Earthquake with M7.3 as an Example

地震共轭破裂及极限主应力随地壳深度的变化&以1975年海城7.3级地震为例

Principal Stresses in Plane Strain State and Their Effects on Engineering

平面应变状态的主应力及其对工程的影响

Relationship between principal stresses of soil mass under plane strain condition

土体平面应变条件下的主应力关系

A new method to determine fault movement and the direction of principal stresses

一种确定断层运动方式和主应力方向的方法

Analysis on the Mechanical Properties of a Tensile Structure Plane and Its Relationship to Principal Stresses

张性结构面的力学性质与主应力关系解析

Study of the distribution of principal stresses in silicon crystal by infrared photoelastic method

红外光弹法研究硅单晶主应力分布

A Mixed Method of Photoelasticity and Boundary Element for Separation of Principal Stresses

光弹性和边界元的一种混合法

Exploration for Determining Principal Stresses Angle under Plane Stresses

平面应力状态下主方向角的确定

An Easy Way to Determine the Directions of the Principal Stresses or Strains in Plane Problem

平面问题主应力与主应变方向确定的简捷方法

Based on paper [ 1 ] , it puts forward a useful method of obtaining principal stresses angle .

在文[1]的基础上提出上切实可行的求主方向角的方法。

Study on simplified identification method to determine relationship between principal stresses and principal planes in plane stress state

主应力与主方向角对应关系的简捷判别方法

It is a very important to determine fault movement and the direction of Principal stresses for structural analysis .

断层的运动方式和主应力方向的判断是构造分析的一个重要方面。

Isoclinic pattern is not necessary to be used in separation of principal stresses .

本法在原理上与切力差法不同，在分离主应力时不必使用等倾斜图案。

To answer this question , we need to plot trajectories of principal stresses .

为了回答这个问题，我们尚须画出主应力迹线图。

New Numerical Method for Separating Principal Stresses from either Isopachic or Isochromatic Patterns

从等和线或等差线图案中分离主应力的一种新的数值方法

In this paper , a new simple method to determine fault movement and the direction of principal stresses is suggested .

本文提出一种判断断层运动和主应力方向的新的简单方法。

Results : The minimum principal stresses in the alveolar bone around the abutment root were small .

结果：在侧向载荷下，基牙根周牙槽骨内各个层面的应力值较小且主要为压应力；

Recently progresses have been made using the relationship between magnetic output and principal stresses difference under uniaxial stress .

利用单向应力下磁输出信号与主应力差间的关系，即主应力差法，国内外已取得了一定的成果。

The stresses component , principal stresses and effective stress on the surfaces of thin plate or shell structures .

薄壁板壳结构表面的应力分量、主应力和有效应力。

By applying the method to the dynamic holographic photoelasticity , the dynamic principal stresses can also be separated .

将混合光载波法应用于动态全息光弹性，分离了动态主应力。

From the two separate carrier fringe patterns , the automatic image processing may finally complete the separation of principal stresses .

利用图象处理技术实现了对两种载波条纹图从预处理到应力计算的自动化处理。

With proper design , the grain flow can be oriented in the direction of principal stresses encountered in actual use .

通过适当的设计，可以使晶粒流动方向与实际使用时的主应力方向一致。

The stress and strain on a tensile structure plane and its relationship to principal stresses are studied based on the elastic theory .

依据弹性理论分析了张性结构面的应力、应变与两向主应力的对应关系。

The relation between the stress-strain curves along the directions of three principal stresses and the lateral pressure was discussed .

讨论了三个主应力方向上的应力-应变曲线与侧压力的关系。

Horizontal maximum and minimum principal stresses are nearly equal in shale formation , and very different in sand formation .

在泥岩段水平最大与最小主应力基本相等或相差甚小，在砂岩段才呈现较大差异。

The relationship between principal stresses in the plane strain state is the stress-strain relationship of soil with a certain strain path .

平面应变条件下土体中主应力之间的关系，其实质是特定应变路径条件下土的应力–应变关系，为土的一个重要力学特性。

The Assumption of " the principal stresses Acting Independently " and Some Modified Forms for the Statistical Theory of Fracture

统计断裂理论的应力独立作用假设及几种修正形式

By coordinate transformation of stress we have the differential relationship between the principal stresses and stress components to facilitate deviation calculation .

利用应力的坐标变换关系，推导出主应力与应力分量之间的微分关系，使主应力的精度计算更加简便。

The magnitudes of the maximum and minor horizontal principal stresses increase with the increasing depth of boreholes ;

在测试深度范围内，各测孔的最大、最小水平主应力随岩层深度的增加均有增大趋势；