The fatigue behavior of concrete under axial tension with constant and variable amplitude cyclic loading is investigated.
基于室内试验，研究了混凝土在等幅和变幅重复荷载作用下的轴拉疲劳性能。
A new type of random program constant amplitude load spectrum is introduced, which is used in laboratory simulation test and life prediction of tractor components under random loading.
本文介绍了一种新型的随机程序载荷谱，以用于拖拉机零部件在随机载荷作用下的室内模拟试验与寿命预测。
In this paper, the stress-strain analysis and life prediction for the notched shafts were studied under multiaxial constant amplitude proportional loading.
本文针对多轴比例恒幅加载情况下的缺口件进行了应力应变分析和寿命预测研究。
The damage variable is defined as the residual strain of concrete under constant amplitude fatigue loading, and the law of cumulative damage and its evolution are obtained.
由等幅疲劳残余应变，定义了损伤变量，得到了相应的损伤积累和演化规律。
The piezoresistivities of SCFC under monotonic compressive loading, cyclic loading with increasing amplitudes, cyclic loading with constant amplitude and the dead loading are investigated.
研究了SCFC的压敏特性，得到了SCFC在单调受压荷载、等幅循环荷载、不等幅循环荷载以及持续荷载等过程中的电阻变化规律。
The nonlinear elastic hysteresis behaviour of granite is studied based on experimental results under constant amplitude cyclic loading.
通过花岗岩常幅循环加载试验，分析岩石的非线弹性滞后特性。
This paper discussed the fatigue strength of single-spot-welded joints under constant and variable amplitude loading. The fracture mechanics was also used to analyse the experimental results.
讨论了恒幅及变幅载荷作用下，拉剪点焊接头的疲劳性能，并应用断裂力学对实验结果进行了分析和整理。
This paper discussed the fatigue strength of single-spot-welded joints under constant and variable amplitude loading. The fracture mechanics was also used to analyse the experimental results.
讨论了恒幅及变幅载荷作用下，拉剪点焊接头的疲劳性能，并应用断裂力学对实验结果进行了分析和整理。
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