The random cyclic stress-strain responses are found and its probabilistic model is established.
新发现随机循环应力—应变响应现象并建立其概率模型。
Both the measured results of the cyclic stress-strain curves of three kinds of rebars and their estimated intervals of fatigue limit are listed in the paper.
列出了三种钢筋循环应力应变曲线的实测结果和疲劳极限的估值区间。
The test results show that the fatigue property curve and the cyclic stress-strain curve of LZ50 axletree steel perfectly conform to double logarithm linear relationship.
采用载荷控制、三角波动态载荷对水泥土进行三轴疲劳试验，得出水泥掺量、加载频率和循环周数对水泥土疲劳特性的影响规律。
To study of coiled tubing steel cyclic stress-strain behavior was found that: the same sample at different constant strain rate, the performance of cycle characteristics is different.
研究连续油管钢循环应力-应变行为发现：相同试样在不同的恒应变幅下，表现出不同的循环特征。
The research results show martensite transformation stress decreases with an increase in cycle due to the residual strain during full cyclic loading.
研究表明在完全循环加载过程中，由于残余应变的存在，马氏体相变应力随循环增加而减小。
The cyclic strain low cycle fatigue and cyclic stress ratcheting failure of 45 carbon steel treated by quenching and tempering were experimentally investigated.
对调质处理的45碳索结构钢进行了应变循环低周疲劳实验以及应力控制棘轮失效实验。
The tidal stress gives rise to cyclic strain, and then forms cumulative damages and fatigue fractures in crustal rocks.
潮汐应力引起地壳岩石的循环应变、累积疲劳损伤，形成疲劳断裂。
The component randomness is considered. The SFEM is introduced in the iterative formulas of EFEM under cyclic loading to obtain the random response of local stress and strain.
考虑零构件的随机因素，将随机有限元方法引入到交变载荷下弹塑性有限元的迭代格式中，得到局部应力应变的随机响应，为低周疲劳可靠性分析提供了更精确的依据。
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。
For concrete in compression zone a stress-strain relation for repeated axial compressive cyclic loading, is adopted instead of that for reversed loading.
对混凝土受压区采用轴向重复加载的应力-应变关系而不是反复加载的。
The fatigue tests were performed at room temperature and cyclic strain and stress ratio of 0.1 with triangle load wave.
实验温度为室温，循环应变比和应力比均为0.1，载荷波形为三角波。
By means of the experimental data from dynamic triaxial stress-strain test of variable cyclic amplitude for frozen soil, the formative conditions of residual strain on frozen silt clay are studied.
基于不等幅值循环荷载作用下低温三轴振动试验资料，研究了冻结粉质粘土在分级往返加荷情况下的残余应变产生条件。
The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated.
推导了交变载荷下弹塑性随机有限元的迭代格式，计算了局部多轴应力应变的随机响应。
The calculation results showed that the constitutive relationship has accepted for the cyclic stress relaxation under strain-controlled tests.
基于内时塑性本构方程对循环松弛应力-应变曲线进行了数值模拟，取得了与实验相吻合的结果。
Unfortunately, previous work rarely incorporated the effect of initial deviator stress on cyclic degradation behavior and dynamic stress-strain relationship of soft clay.
以往的研究大多忽略初始偏应力对软黏土循环软化及动应力-应变关系的影响。
This paper presents the test results of a series of dynamic cyclic torsional shear tests on saturated sands using both stress-controlled and strain-controlled process.
本文采用应变控制和应力控制两种控制方式对饱和砂土进行了大量的振动扭剪试验。
Concrete stress-strain curves under cyclic loads include not only envelope curve, but also unloading and re-loading curves.
混凝土的反复加载应力-应变曲线不仅包括骨架曲线，还包括卸载及再加载曲线。
The chemical composition, strength, cyclic stress and pre-cyclic-strain have a remarkable influence on the micro-plasticity behavior of the steels.
钢的化学成分、强度、服役应力和预应变处理显著影响其微塑性服役行为。
For both types of test set-up, the cyclic bond stress-slip relations, and cyclic strain distribution profiles for the bonded FRP-to-concrete joints are presented and discussed.
对于这两种类型的测试设置，循环粘结应力滑移关系，循环应变保税玻璃钢到混凝土接缝和分布状况，提出讨论。
The modified rainflow counting method can take out all the full cycles truly existing in the real stress-strain response, so it is a more reasonable cyclic counting method than the traditiona…
此外，对于现有的两种利用有效系数模拟应力-应变响应的方法也进行了讨论，并提出了修正有效系数法。
The modified rainflow counting method can take out all the full cycles truly existing in the real stress-strain response, so it is a more reasonable cyclic counting method than the traditiona…
此外，对于现有的两种利用有效系数模拟应力-应变响应的方法也进行了讨论，并提出了修正有效系数法。
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