| 1. | Code of practice for fatigue design and assessment of steel structures
钢结构疲劳设计和评定实用规程 |
| 2. | Whilst the anti - fatigue design of the chamber is one of the critical technologies whose basis is the research on the fatigue properties of the laminates
机匣的疲劳设计是其中的关键技术之一,而复合材料层合板的疲劳研究是机匣的疲劳设计的基础。 |
| 3. | The full - coupled method developed with damage mechanics and the finite element analysis is performed on calculation of fatigue damage accumulation of the critical welded components in the tsing ma bridge
这种偏于安全的误差，用于结构的疲劳设计是合适的，但对于在役结构疲劳损伤累积的准确评估却是不利的。 |
| 4. | During the course of the life estimation , if the experimental parameters can be carefully chosen , aircraft structure life estimation has a positive effect on the structure fatigue des ign
在寿命估算过程中，只要比较精确地选取各方法所需的经验参数，飞机结构所估算的最终结果对飞机结构抗疲劳设计和型号定寿有很大的指导意义。 |
| 5. | All experiments were completed by use of loading equipment designed by myself . this equipment has been proved to be efficient , steady and the test data are reliable . based on analysis of the 58 data and 35 domestic data , we got the s - n curve in general use , and established the design method of fatigue
本文成功地得到了32个常幅及26个变幅试验数据，通过与国内已有数据的回归分析，得到了通用的s - n曲线，建立了螺栓球节点网架结构的疲劳设计方法。 |
| 6. | The relations between the dummy stress amplitude and fatigue life can be easily developed . and then , the bhw - 35 steel fatigue design curve can be obtained according with asme criterion and bs5500 criterion . compared ~ vith the design curves provided by the asme and bs5500 criterion , the curve got in this paper provides reliable direction for the fatigue design of boiler drum , which used on the altering generating power plant set
将焊缝材料的虚拟应力幅与寿命关系，按照asme和bs5500规范的方法分析得到bhw ? 35钢疲劳设计曲线，并与asme和bs5500规范中的设计曲线进行比较，为我国调峰机组410t / h锅炉汽包疲劳设计提供可靠的实际依据。 |
| 7. | On the basis of finite element numerical simulation technology and s - n curve data base of welded joint , the course of fatigue test of physical prototype was simulated with computer and the fatigue life of welded structure was predicted , so as to let the development of anti - fatigue design becoming possible in the designing stage of product
基于有限元数值仿真技术及焊接接头s - n曲线数据库，在计算机中模拟物理样机的疲劳试验过程，预测焊接结构的疲劳寿命，使产品在设计阶段开展抗疲劳设计成为可能。 |
| 8. | The existence of original flaw leading to early destroying of structure could not be predicted by traditional fatigue designing method of steel structure of crane . so it was inevitable that the cranes that were designed according to this method had hidden dangers . many great steel - making plants were worrying about the serving cranes that were bought in the 70 ' s
由于起重机钢结构中初始裂纹的存在而导致的结构早期失效用传统的起重机钢结构疲劳设计方法是无法预测的，因此这种按传统方法设计出的起重机就难免会存在一些事故隐患，我国大型钢铁企业在七十年代购买并使用至今的大批起重机都有此顾虑。 |
| 9. | This paper analyses the engineering feasibility of using the static fem in the fatigue strength design of the shipunloaders structure through discussing the difference of infinite fatigue life design and finite fatigue life design and puts forward the calculating work cycle of this structure after considering the shipunloaders work process . it is useful for crane design - engineer to introduce the general fatigue strength design processes of the shipunloaders
分析了有限寿命疲劳设计和无限疲劳寿命设计的异同，研究了用静力学的有限元法进行结构的疲劳强度设计的技术可行性问题；并结合装卸桥的工作过程，提出了相应的计算工作循环；介绍了装卸桥疲劳设计的一般步骤 |
| 10. | The research results in this paper fill the blank of the theoretic studies on fatigue behavior of grid structure with bolt - sphere joints and the fatigue research method is perfected . i believe that conclusions and suggestions will become important references for the modification of < specification for design and construction of grid structure >
本文的研究成果填补了螺栓球节点网架疲劳性能在理论研究方面的空白，完善了疲劳研究方法，为《网架结构设计与施工规程》中疲劳设计方法的建立提供了重要依据。 |
