cyclic stress
循环应力;周期应力
2025-08-11 06:03 浏览次数 4
循环应力;周期应力
in addition, cyclic stress ratio and number of cyclics have remarkable effects on vertical deformation of cement-soil pile composite foundation.
另外,在循环荷载作用下循环应力比和加荷周数对复合地基竖向变形有显着的影响。
both tests and calculations were performed to get the fatigue lives for six kinds of multidirectional laminate coupons with different tensile cyclic stress applied.
用本文开发的疲劳分析程序预测了被试多向层压板的剪切强度和疲劳寿命,模拟了局部疲劳失效演变的过程。
the effects of confining pressure, cyclic stress ratio, frequency of cyclic loading and cyclic numbers are considered.
试验研究主要考虑了周围固结压力、循环剪切应力比、荷载频率和循环次数等因素的影响。
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 cyclic rotation of the principal stress direction with constant amplitude was the characteristics of the cyclic stress in seabed deposit induced by waves.
海洋波浪荷载在海床内土体中引起的动应力的特点是动应力幅恒定,动主应力方向连续旋转。
on the other hand, the anisotropic consolidation and lower effective consolidation pressure decelerate the degradation of stiffness under the same cyclic stress ratio.
在相同动应力比作用下较小的有效固结应力和偏压固结减缓了土体刚度的弱化。
therefore, the cyclic stress caused by repeatedly cooling and heating during the usage of non-magnetic dewar is one of the important reasons that causes the decrease of vacuum performance.
因此,无磁杜瓦在使用过程中反复冷却及复温所产生的循环应力载荷,是导致其真空性能下降的一个重要原因。
the dynamic strength curve indicates that there is basically a linear relationship between the cyclic stress ratio and the logarithm of the cyclic number required at failure.
动强度曲线显示循环应力比与循环剪切破坏次数的对数基本呈直线关系。
the cyclic stress behavior and fatigue life curve of gh4033 nickel-based alloy under range of 400~700℃ were studied, and the fracture of fatigue was observed by sem.
研究分析了gh4033镍基合金在400~700℃的疲劳循环应力行为和疲劳寿命曲线。用扫描电镜对疲劳试样的断口进行了观察。
it is observed that the degradation index reduces with the progressive cyclic numbers and the increase of cyclic stress ratio.
试验结果表明,循环次数的增加,循环应力比的提高,都将加快土体软化;
the pressure distribution along the vertical direction is asymmetrical and cyclic stress acting on blades is found.
由于重力作用在竖直于机组轴线方向上的压力分布不均匀,叶片上作用有交变应力。
with the increase of cyclic stress ratio, the pore water pressure rate increases.
随着循环应力比的增加,孔压率增加。
corrosion fatigue. a type of failure that results from the simultaneous action of a cyclic stress and chemical attack.
由循环应力和化学腐蚀同时作用导致的一类失效。
the variation rules of critical cyclic stress ratio, vertical permanent deformation and pore water pressure with numbers of loading cycles and consolidation states are obtained.
得出了饱和软粘土地基的临界循环应力比和竖向永久变形及孔隙水压力随加荷周数和固结状态的变化规律;
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。
furthermore, the critical cyclic stress ratio is determined according to the time history curves of pore water pressure under different cyclic stress ratios.
此外由不同循环应力比下孔压时程曲线确定出临界循环应力比。
moreover, the threshold cyclic stress is determined. , it cont…
求得了控制残余应变发展的临界反复应力比。
there is critical cyclic stress ratio of soft clay under cyclic loading. the value of critical cyclic stress ratio can also be obtained by pore water pressure curves.
循环荷载作用下饱和软黏土存在临界循环应力比,通过孔压也可以确定其值大小。
it is shown that the critical cyclic stress ratio of cement-soil pile composite foundation is bigger than that of saturated soft foundation and is not affected by cement mixing ratio basically.
试验结果表明,在循环荷载作用下复合地基同样存在临界循环应力比,其值大于单纯饱和软基的临界循环应力比,而且受水泥掺入比的影响不显着。
rubber products often endure cyclic stress state in service, the fatigue characterization of rubber materials often determines products service life.
橡胶制品通常是在周期性应力状态下使用的,材料的疲劳断裂性能往往决定这些制品的使用寿命。