查询词典 fatigue

And then it uses stress amplitude method to check fatigue strength and estimates fatigue life of the main girders.

应用应力幅法对主梁进行了疲劳强度的计算和疲劳寿命的估算。

The fatigue stress induced by ice lead to fatigue damage of the platforms.

冰区海洋平台受到冰载荷作用会产生疲劳应力并造成构件的疲劳损伤。

The approach takes a basis of the local statistical parameters of the logarithms of fatigue lives at the reference load. According to an assumption that the material constants in each relation are concurrently in same probabilistic level, the curves is described by a general form of mean and standard deviation curves of the logarithm of fatigue life, in which four material constants are at most contained.

以参考载荷试验数据的统计参量为基础，按照每个模型中材料常数协同处于相同概率水平原则，将曲线表示为对数疲劳寿命均值和均方差线的广义形式，至多4个材料常数。

In this paper, after consulting vast amount of related literature, considering the long-cycle and low frequency of air temperature, I apply fatigue experiment of asphalt mixture under low temperature and low frequency to research on the thermal fatigue characteristic of asphalt mixture.

本研究在参阅了大量国内外的相关文献后，根据温度循环周期长、频率低的特点，采用沥青混合料的低温低频疲劳试验来研究沥青混合料的温度疲劳特性。

The former were formed by the long-timed and repeating contact of till gravel with the ice-bed, which produced the maximum shear in the certain depth of layer under the surface and brough about the cracks of static fatigue and contact fatigue.

平行裂隙的成因是冰碛石长期和反复与冰床接触，在冰床表层以下一定深度产生最大剪应力，沿平行冰岩界面使岩石出现静疲劳和接触疲劳破裂。

The fatigue life of ship structures is mostly dependent on the fatigue life of their weldments.

船舶结构的疲劳寿命取决于其焊接结构的疲劳寿命。

Chapter 4: To the modify of GBJ10-89, the method of stress of stirrups and bent up bars under fatigue loading was studied and new formulas for fatigue design were proposed.

第四章研究了钢筋混凝土受弯构件的疲劳计算方法，针对当前的规范修订，提出了一个能够用于工程设计的钢筋疲劳应力计算公式。

By means of self-designed test method ,thermal-fatigue resistance and influence factor for surfacing metal of three self-produced flux-cored wires and one solid wire for roller hardfacing were studied deeply.The mechanisms of thermal-fatigue crack initiation and extension were investigated .

通过设计的热疲劳试验方法，对三种自制药芯焊丝和一种国产堆焊轧辊用实心焊丝的耐热疲劳性能及其影响因素进行了深入研究，同时对堆焊金属中热疲劳裂纹形成以及扩展机理做了进一步探讨。

The fatigue analysis also was carried out with FE-SAFEWORKS then the fatigue life was predicted. A new way of design of coupling shaft is proposed.

基于此，应用有限元方法分析了转接轴静强度，并用FE-SAFEWORKS模块对转接轴进行疲劳分析，计算其寿命，从而为转接轴的设计提供一种新的思路。

According to the analysis of some theoretical models for predicting fatigue threshold of a cracked body, it is held that the tensile properties of structural steels and the stress ratio under recycle loading are main dominant factors of the fatigue threshold .

通过对各种疲劳门槛值的理论模型的分析，认为结构钢的拉伸性能指标和循环加载条件是裂纹体疲劳门槛值的决定因素。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？