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- The estimation formula of life expectancy is presented, the two kinds of stress acceleration factors are exponent index of the homologous stress ratios. 提出了相应的寿命估算公式，两种应力的加速系数均为对应应力比值的幂指数。
- The factors effecting Dfc,ie ,amount of load, stress ratio, loading frequency and welding are studied as well. 并对影响临界疲劳损伤因子D_(fe)的四个因素:载荷大小、应力比、加载顺序、焊接等进行了研究。
- There is much difference between the stress ratio in crown and springe calculated with these two methods. 拱冠和拱脚处的应力比值跟竖向构件比较相差悬殊;
- For the case of fatigue loading:(1)For a given stress ratio,thespecimen seeks the SDS for the largest S_(max) to which it is subjected. 对疲劳载荷作用的情况:(1)对于给定的应力比 R,试样会趋于与它所承受的 S_(max)最大值相应的 SDS 状态。
- Based on the principle of pneumatic structures,a test device for biaxial tension of fabric is designed.and biaxial tension test on different warp/weft stress ratios is carried out. 本文根据充气结构原理设计并完成了一套薄膜材料双轴拉伸试验装置，可对薄膜材料在不同应力比下进行双轴拉伸试验。
- 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。
- A method of calculating the pile-soil stress ratio is conducted and the effect on main influence factors is analyzed systemically. 就粉喷桩加固路基的特点，根据力学原理，分析桩土应力比问题，获得一些有益的结论。
- For aluminum brass, both the stress ratio and the time-to-fracture ratio were closely related to the logarithmic concentration of F-ions. 而铝黄铜在其腐蚀电位的破裂形态是属于延性撕裂状的窝穴；
- Aimed at the deficiency of tube hydro plasticity technology, effect of stress ratio on tension destabilization was analyzed by plasticity mechanic. 摘要针对目前管材内液塑性成形中缺陷对工艺的影响，借助塑性力学分析手段，对轴向和环向的应力比对拉伸失稳极限应变的影响进行了分析。
- Three kinds of fatigue tests at certain stress ratio for unidirection T300/QY8911 Carbon/Bismalimide composite laminates were performed to obtain the S-N curves. 摘要测定了碳纤维／树脂基T300/QY8911复合材料的3组典型单轴循环应力下的S-N曲线。
- This paper presents a reliability design method for fatigue strength of steam turbine parts subjected to alternating and mean stess with random variable stress ratio. 本文介绍了应力幅和平均应力之比为随机变量时汽轮机零件疲劳强度的可靠性设计方法。
- The loading transfer in composite foundation and the settlement and variation of stress of soil and stress ratio of pile-soil law are analyzed under different loading conditions. 对不同荷载水平下复合地基中单桩荷载传递特性、桩间土的沉降、桩间土上的应力及桩土应力比的变化规律进行了分析；
- The experiment result shows that biaxial strength is difference from the uniaxial strength, and related with the stress ratio, concrete heterogeneity display to emphasize. 试验成果表明，试件的双轴强度与单轴强度相比有显著区别，而且与应力比有很大的关系，混凝土的非均质性表现的更为突出。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
- The relation between dilatancy strain ratio and shear stress ratio can be described by a linear relation which is also verified by tri-axial compression tests. 固结围压越大，剪缩剪胀临界点的应力比越大，含水率越大，剪缩剪胀临界点的应力比越小。
- The traditional dilatancy equation of Cam-clay model was modified and the relativity between the phase transformation stress ratio and initial effective pressure was considered. 模型对传统修正剑桥模型中的剪胀性公式进行了改进，考虑了状态转换应力比与初始有效围压的相关性。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里，重音在第一个音节上。,在＂mother＂这一字里，重音在第一个音节上。
- The dry jet mixing pile (DJMP)has been widely used for the soft ground improvement in expressway engineering, but the stress ratio of pile to clay and deformation of composite foundation are not well understood. 水泥土搅拌桩在高速公路的软基处理中得到了广泛应用,但是对水泥土搅拌桩地基深层桩土应力比和变形未能有深入的认识。
- The result shows that radial pressure obviously effect the dynamic strength and modulus, it is also big that the change of dynamic strength and modulus under different consolidation stress ratio. 试验结果表明，围压是动强度提高的重要影响因素，固结应力比不同的条件下，动强度及动模量变化也较大。
