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- 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。
- The orientation of the principal stresses relative to the directions of the polarizer and first quarter-wave plate is of course immaterial. 主应力相对于起偏镜和第一个四分之波片方向的方位，当然是无关紧要的。
- The ratio between major and minor principal stresses basically keeps stable, while it varies between filling and impoundment periods. 大主应力与小主应力之比基本保持恒定，但填筑期及蓄水期的比值大小不同。
- It can compute completely: 1. the principal stresses and effective stress corresponding to stresses component of SAP5 program printout. 它能完整地补充计算出: 1.;SAP5程序各应力输出点处的主应力和有效应力;
- 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。
- The Mohr-Coulomb model is based on plotting Mohr's circle for states of stress at failure in the plane of the maximum and minimum principal stresses. 莫尔-库仑模式基于莫尔圆来判断最大和最小主应力平面上的破坏应力状态。
- The failure criterions of principal stress, octahedral stress and strain space are established. 建立了主应力、大连理工人学博士学位论文一八面体应力和应变空间的混凝土破坏准则。
- The main direction of the current maximum horizontal principal stress is NE-SW and NEE-SWW. 裂缝主要发育在东西两侧靠近断层、近源的构造陡坡上;
- Rock rupture caused by decreasing the minimum principal stress was studied with Mogi's general triaxial test machine. 过去曾用常规的三轴试验机研究过减小围压引起的岩石破坏。这种实验的局限性在于中等主应力和最小主应力始终保持相等。
- The calculation principle of earth pressure using principal stress arching is proposed. 给出了用主应力拱应力分析计算土压力的基本原理。
- The investigation shows that the main reason for the non-coaxial behavior is the directional changes of stresses (i. e. ,rotation of principal stress axes). 结果表明，应力方向的变化（即主应力轴旋转）是引起非共轴性的主要原因。
- The inherent anisotropy of sands was investigated firstly through the shear tests with fixed principal stress axes. 通过应力主轴固定单调剪切试验分析了所制作砂样的初始各向异性特性。
- The stress path that prevails in a pavement under wheel loading includes stress reversal causing rotation of the principal stress direction. 在车轮的荷载作用下，整个路面的应力过程包括导致主应力方向发生旋转的应力反向。
- On FEM simulating its stress and displacement characteristics, the contour of maximum and minimum principal stress have been drawn. 分析结果表明，长白山天池地区高陡斜坡整体稳定性较好，不会发生大规模崩塌。
- The revised model reflectes upon the middle principal stress and preserves the form of Duncan Modol, but it widens the application ges of Duncan Model. 修正模型考虑了中主应力的影响,既在形式上保持了邓肯模型简单、实用的特点,又在应用上拓宽了邓肯模型的应用范围。
- Netty thermal fatigue crack will occurs when two principal stress and two principal plastic strains are approximately equal to each other. 两个主应力的值和两个主塑性应变值相近时出现网状龟裂。
- Plane strain state is familiar in geotechnical engineering,and estimating the principal stress in the plane strain state is very complicated. 土的平面应变是岩土工程中常见的状态,其中零应变方向的主应力是十分复杂的。
- It was found that the undrained shear behavior of loose sands was considerably dependent on the orientation of the principal stress. 研究表明，主应力方向对在不排水条件下饱和松砂的单调剪切特性具有显著影响。
- B. and Casabarian , A.O., “Effect of Rotation of Principal Axes and of the Intermediate Principal Stress on Shear Strength “ Proc. 6th Int. 以个别元素法探讨卵砾石堆积之力学性质&%23251;
- It is concluded that the principal stress state due to the bimodular constitutive model based on principal direction is key. 由于不同模量弹性理论将其本构关系建立在主方向上，因此基于主方向的应力状态分析是研究的关键。
