They riveted the steel beams together. 他们把钢梁铆接在一起。
The Research on Osnr Monitoring Technique of the Receiving Electrical Noise They riveted the steel beams together. 基于接收端电噪声分析的光信噪比监测法研究他们把钢梁铆接在一起。
Reinforced aerated concrete lintel They riveted the steel beams together. 钢筋加气混凝土过梁他们把钢梁铆接在一起。
Therefore, the service safety of such bridges is a topic of considerable importance. A double-angle probabilistic fracture failure model for riveted bridge members was developed based on an analysis of the fatigue failure mechanism of riveted steel bridges. 针对铆接结构多破坏模式和铆接多成份、多构件的疲劳失效特点,在建立铆接构件双角钢概率疲劳破坏模型的基础上,提出铆接钢桥系统疲劳可靠性分析模型。
Construction process of a large span ( 76.2m) whole riveted steel structure gate type load and unload crane by using temporary supports, and bridge frames is introduces, providing some successful experience for alike constructions. 主要介绍了大跨度(76.2m)全铆接钢结构门式装卸吊车利用临时支架,安装支腿和桥架的施工过程,为今后类似工程实施提供了成功的经验。
Study on Fatigue Crack Propagating Life of Riveted Steel Members in Service 在役铆接钢构件的疲劳裂纹扩展寿命研究
Based on investigation of the appropriate fatigue strength category for a bolted and riveted bridge member, linear fatigue-damage accumulation approach, commonly known as Miner's rule, is applied to calculate the fatigue life of existing continuous steel truss bridge members. 在合理确定栓接与铆接细节疲劳强度基础上,按线性Miner疲劳累积损伤准则,对既有连续钢桁梁桥剩余寿命进行估算。
The fatigue behavior of steel structures in service is obtained by tests, and the fatigue crack propagation life of riveted steel members is investigated by the application of the fracture mechanics principles. 试验分析了在役铆接钢结构材料的疲劳断裂性能。应用断裂力学理论研究了在役铆接钢构件的疲劳裂纹扩展寿命。
Based on linear fatigue-damage accumulation theory and fracture mechanics, the deterministic assessment approach was proposed, in which the fatigue failure behavior of riveted steel bridges was reflected. 基于疲劳累积损伤和断裂力学理论,建立了能表征铆接钢桥疲劳破坏行为的确定性评估方法。
Were included. Furthermore, based on Monte-Carlo method, a large system fatigue reliability analysis program was developed to calculate members and system fatigue failure probability of riveted steel bridges. 基于Monte-Carlo算法,进行铆接钢桥构件和结构系统疲劳断裂失效概率的计算,并编制了用于铆接钢桥系统疲劳可靠性分析的大型程序系统。
A fracture mechanics method to evaluate the remaining fatigue life and service safety og old riveted steel bridges was proposed. 提出了基于断裂力学评估老龄铆接钢桥剩余寿命与使用安全的基本方法。
The changes of fatigue strength of riveted category in corroded components are studied by fatigue tests on the specimens cutting from the web components of the existing riveted steel plate girder. 4. 通过既有铆接钢板梁桥腹板的疲劳实验,研究了带腐蚀的铆接疲劳细节的疲劳强度。