The failure time of elements in structural system under dead load and fatigue load was studied.
对在静载荷和疲劳载荷共同作用下的结构系统中的各失效元件的失效时间进行研究。
The simulation torsion load can be used to make up torsion fatigue load spectrum for test and estima…
计算载荷可以用来编制货车传动系统扭转疲劳试验载荷谱、估计零部件的疲劳寿命。
Analysis of test results of concrete beams which are subject to static and fatigue load is formulated.
给出混凝土梁试样静态和疲劳弯曲损伤度试验分析计算式。
It has proved that the glass fibre sheets and the concrete has a good bonding condition subjected repeated fatigue load.
并验证了重复荷载作用下玻璃纤维布与混凝土良好的粘结性能。
The concrete constitutive properties coupling damage can be used for finite element analysis of concrete under fatigue load.
由此建立耦合损伤变量的混凝土本构关系模型，可用于疲劳荷载作用下混凝土的有限元分析。
Recent studies on the damage and deterioration of concrete experiencing fatigue load and environmental effects are summarized.
概述了目前关于混凝土在疲劳荷载与环境因素耦合作用下的损伤劣化规律的研究。
The estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
对于承受随机载荷的钢桥，其寿命依赖于这种疲劳载荷造成的累积损伤。
The persistent slip bands were determined by the observations of the substructure near the surface of gear steels on fatigue load.
通过对在疲劳载荷作用下渗碳齿轮钢次表层亚结构的观察发现有持续滑移带形成。
In the course of constructing fatigue load spectrum, how to omit the small loads not to make damage is a problem paid attention to all the time.
在疲劳载荷谱编制过程中，如何舍掉无损伤效应小载荷一直是一个令人注目的问题。
In this paper, the bending response of RC beams strengthened with high-performance ferrocement considering static and fatigue load were investigated.
对用高性能水泥复合砂浆钢筋网加固的钢筋混凝土梁进行了正截面受弯静力和等幅疲劳试验研究。
The entire fatigue load spectra of supporting-case provide the bases for the establishment of intensity, fatigue life analysis and experiment spectra.
最终得到的承力机匣疲劳载荷谱为后续的强度与疲劳寿命分析及其试验谱的确定提供了依据。
It should be noted that the values provided in the product tables for load and speed ratings as well as for the fatigue load limit are heavily rounded.
注意，产品列表中所提供关于负载、速度级别及疲劳负荷限值数字均已四舍五入。
The bending response of bridge structural members strengthened with high-performance ferrocement considering fatigue load were experimentally investigated.
对用高性能水泥复合砂浆钢筋网加固的混凝土桥梁受弯构件进行正截面等幅疲劳研究。
Under the same strength technique conditions, the size of low cycle fatigue load will influence the strength effect, and the smaller load means more obvious effect.
在同样的强化工艺条件下，低循环疲劳载荷大小影响强化效果，载荷越小效果越明显。
An anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.
基于边界面概念和损伤力学理论，建立了混凝土受压各向异性损伤模型。
Based on the many times tests and analyses, a real time system about spot testing fatigue load spectrum of engineering structure materials was studied and developed.
在多次试验和分析的基础上，研制了一种可用于现场测试的工程结构材料疲劳载荷谱实时测定系统。
At first, small wave load have caused an amount of damage and decrease the ultimate bearing capability to the structures, then fatigue load have caused wholly destroy.
首先因较小的波浪载荷引起一定的疲劳损伤并造成极限承载能力的下降，然后因极限波浪载荷而引起结构的完全破坏。
The simulation torsion load can be used to make up torsion fatigue load spectrum for test and estimate the fatigue life of component parts of truck transmission system.
计算载荷可以用来编制货车传动系统扭转疲劳试验载荷谱、估计零部件的疲劳寿命。
According to the requirement of the total diving number and the assumption of the distribution type, the fatigue load spectrum for the 7000m deep manned submersible is given.
根据设计任务书中规定的总的下潜次数要求，最后给出了我国目前正在研制的7000米载人潜水器耐压球壳的疲劳载荷谱。
The results show that the crack growth rate under high-low cycle complex fatigue load is greater than that under low cycle fatigue load, and so the fatigue life is obviously reduced.
结果表明：与纯低周载荷作用相比，高低周复合载荷下球墨铸铁的裂纹扩展速率明显加快，极大地降低材料的疲劳寿命。
The paper discusses the failure mechanism of structural system subjected to dead and fatigue load and gives the method of reliability analysis considering static strength and fatigue.
具体分析了结构系统在静载和疲劳载荷作用下的失效机理以及各失效模式之间的相关性，给出了在静载和疲劳载荷作用下结构系统的可靠性分析方法。
The application results show that laser welding can meet higher strength stress demands for those fatigue load parts, such as intake and exhaust valves, timing gear, suspension equipment.
应用结果表明：对于进排气门、正时齿轮和悬架装置等承担疲劳载荷的零部件，激光焊接可满足其较高的强度要求；
The propagation of surface cracks in welded connections made of type "921A" steel has been investigated experimentally under bending fatigue load and in the corrosive environment of seawater.
本文对921A钢焊接接头在海水腐蚀环境下受弯曲疲劳载菏作用时表面裂纹扩展规律进行了试验研究。
The first frequency method of estimating the fatigue serviceability on small and medium span railway concrete bridge is discussed in this paper through three piece test beam under fatigue load.
通过三片模拟梁试验实测结果，探讨了基频法评估铁路桥梁疲劳使用性能的可行性。
Chapter 2: discuss experimental techniques of concrete under multiaxial fatigue load, carry out concrete uniaxial fluctuating compression fatigue experiments and analyze the experiment results.
第二章介绍混凝土多轴疲劳实验技术，进行了混凝土单轴受压疲劳实验，并对实验结果进行了理论分析。
The shortness of creep loading time and the faster frequency of fatigue load change induce general elastic strain stage to end and delayed elastic strain platform stage to begin under shorter strain.
因蠕变加载作用时间缩短和疲劳载荷变化更频繁，导致在较小的应变下结束普弹应变阶段并进入延迟弹性变形的平台应变阶段。
The prediction of fatigue life is important for steel towers and so on, because for this type of structure wind load is regarded as the main load.
由于风荷载是钢塔架等钢结构的主要荷载，风荷载作用下上述结构的疲劳寿命预估因而是至关重要的。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
With the welding spot fatigue lifetime pre-estimation method, by combination of the finite element analysis and stress calculation, the welding spot fatigue damage under actual load can be calculated.
采用焊点疲劳寿命预估方法，通过有限元分析并结合应力计算，即可计算出实际载荷工况下的焊点疲劳损伤。
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