The influence of stressamplitude on marble is much larger than that of frequency.
饱和大理岩具有显著的应力振幅效应和频率效应以及各向异性。
2
It is shown by test results that at a given equivalent stressamplitude the constant amplitude fatigue life follows the lognormal distribution.
结果表明,在同一应力水平下,所用试样的常幅疲劳寿命服从对数正态分布。
3
This paper describes the calculation method and process of stressamplitude and stressamplitude spectrum to evaluate the safety life time of steel structure for tower crane.