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- modified principal stress [机] 视在主应力
- 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 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;
- 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。
- 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。
- The crystal axes and the principal stress axes are obtained from the optical indicatrix axes manually by turning the projection diagram as usual. 以往是通过手工转图由光率体主轴获取晶轴和应力主轴的，把手工操作变为计算机运算和成图，是一个重要的附加课题。
- The results show that the high value zone of the maximum principal stress in this period distributes the basinal margin with low interior stress. 模拟结果表明,该期构造应力场最大主应力的高值区主要分布在盆地周边,内部应力值低;由南向北,最大应力值有由大变小的趋势。
- Plot of the stress/strain curve of the test with the axial strain as the abscissa and the principal stress difference as the ordinate. 试验应力/应变曲线的绘制，其中轴心应变为横坐标，主应力差为纵坐标。
- Based on the necessary conditions satisfied by stress and displacement, we analyzed symmetry and antisymmetry under the principal stress state using a computational example. 研究表明材料的非线性导致拉压不同模量弹性结构的主应力的反对称性改变而对称性仍旧保持；
- Based on the actually measured nature stress data of Shenzhen, we find the value of maximum principal stress is small and direction of it is NW, vertical direction of fault. 根据地应力监测资料，最大主应力量值小且应力方向北西向，与断裂近乎垂直，不利于断裂活动。
