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- cyclic stress path 循环应力路径
- Corrosion fatigue. A type of failure that results from the simultaneous action of a cyclic stress and chemical attack. 腐蚀疲劳:由循环应力和化学腐蚀同时作用导致的一类失效。
- The results show that low cycle fatigue life is reduced and cyclic stress is raised by torsional prestrain raising. 结果表明，扭转预应变降低低周疲劳寿命，循环应力随扭转预应变的增大而增大。
- The drained stress path for clay and the undrained stress path for sand are predicted using the proposed model. 分别对黏土的排水应力路径以及砂土的不排水应力路径的应力-应变关系进行预测。
- The amplitudes of pore pressure increased notably with the increase of cyclic stress ratio, and the residual pore pressure also increased obviously. 当循环应力比增大时，动孔隙水压力变化幅值显著增加，而残余孔压也较大。
- Experiment study on shallow gassy unsaturated sand under different confining pressure with GDS triaxial system's 4D stress path module is carried ont. 利用GDS三轴系统4D应力路径模块进行了不同围压下含浅层生物气非饱和砂土的持水特征试验。
- 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。
- It was shown that the cumulative plastic strain depended not only on the applied cyclic stress and number of cycles,but also on the initial static deviatoric stress level. 在上海地区典型饱和软粘土不排水循环三轴试验的基础上,分析了影响软粘土塑性累积变形的主要因素:循环荷载的作用次数,初始静偏应力和循环加载动偏应力。
- Analyzing the micro plastic deformation of metal material under static load and cyclic stress, The scientific basis for choice dynamical stress of VSR is provide. 本文分析了静载荷及循环载荷下的微塑性变形行为,认为振动时效动应力的选择应以材料的疲劳极限作为依据。
- The results reveal that the solid solution and aging treatments will lead to a change in both cyclic stress response and cyclic stress-stain behavior of the extruded AM50 alloy. 在高的外加总应变幅下,固溶和时效处理可以提高挤压变形AM50镁合金的疲劳寿命,但当外加总应变幅较低时,固溶和时效处理则降低挤压变形AM50镁合金的疲劳寿命;
- The change laws of shear and volumetric moduli of standard sand tests with the direction of stress path are found to be similar with the reported test results of Bothkennar clay. 由试验曲线整理得到的剪切模量和体积模量随应力路径变化规律与已有的Bothkennar黏土试验结果类似。
- Similar cyclic stresses may have occurred due to wind-induced swaying motion during storage. 同样在存放时由风力引起的横向摆动也可以产生类似的循环应力。
- Fatigue. Failure, at relatively low stress levels, of structures that are subjected to fluctuating and cyclic stresses. 疲劳:在相对低的应力水平下,承受交变和循环应力结构的失效。
- The excessive pore water pressure induced by excavation should be determined by the undrained triaxial compression test according to the stress path of the soil in and out of foundation pit. 对于基坑开挖卸载所引起的超静水压力，应根据坑内外土体的应力路径做三轴不排水剪试验确定。
- The triaxial unloading creep tests on soft clay in Shanghai is described;and the unloading stress path is designed to be close to the field stress path of the soil in the bottom of foundation pit. 利用三轴流变试验仪，模拟基坑开挖时坑底土体的应力路径，进行卸载流变试验，并提出一个五元件模型对试验结果进行模拟。
- Thermal fatigue. A type of fatigue failure wherein the cyclic stresses are introduced by fluctuating thermal stresses. 热疲劳:一种疲劳失效类型,循环应力是由于交变热应力引起的。
- The effect of cyclic stress on the strength of creep rupture and recurrent creep rupture as well as low cycle fatigue of a cast nickel-base superalloy with high Al and Ti contents has been studied under different temperature and stress. 本文对一种高铝钛镍基铸造合金,在不同温度分别测定单调持久、周期持久和低周疲劳性能。
- Cable-grider anchorage zone of cable-stayed bridge was stress concentration and complex,especially should pay more attention to fatigue performance under cyclic stress in operation stage. 斜拉桥索梁锚固区焊接集中,受力复杂,特别是在运营阶段循环应力作用下的疲劳性能值得关注。
- The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains. 实验表明，晶粒细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。
