通常可用线弹性断裂力学进行钢桥裂纹分析。
The analysis of cracking in steel Bridges can usually be accomplished by using linear elastic fracture mechanics.
本文首先介绍了钢桥的腐蚀机理和常见的腐蚀类型。
This paper introduces the mechanism of corrosion, the type of corrosion.
本文研究了钢桥钢梁中棱角焊缝构造细节的疲劳问题。
In this paper, the fatigue problem of beam joints of steel Bridges is studied through examining the arris weld.
介绍了荷载模拟法在铁路钢桥疲劳剩余寿命评估中的应用。
The application of the Load Simulation Method (LSM) in the evaluation of the remaining fatigue life for railway steel bridges is introduced.
各种连接细节的疲劳性能是焊接钢桥研究的热点问题之一。
Fatigue cracks initiated from various connection details are common problems in welded steel bridge structures.
对于钢桥桥面铺装的理论研究和实际工作有一定的指导意义。
It is helpful for theoretical research and actual work on steel bridge deck asphalt mixture paving.
玻璃钢桥架结构上优化设计，受火情况下能保障电缆正常工作。
Optimization design of 5, glass steel bridge structure, can guarantee the normal work under the condition of cables under fire.
该细节是一种比较安全可靠的结构形式，宜在钢桥设计中推广应用。
It is a safe and reliable structural pattern of details and it is advisable to spread its application in steel bridge design.
根据铆接构件的疲劳破坏特征，建立了铆接钢桥简化断裂分析模型。
According to the fatigue failure character of riveted members, a simplified fracture mechanics model (SFMM) was developed.
大跨度钢桥加劲板件由于板件幅面较大，一般采用正交异性加劲板件。
With greater width, the stiffening plate on a large span steel bridge is usually of the orthotropic type.
因此，对于那些有着丰富经验的国家来说，钢桥就是一个很好的选择。
Thus, a steel alternative is quite often chosen by many State DOT, who have good experience in steel Bridges.
钢桥的设计方法按其设计理论大体可分为弹性设计方法和塑性设计方法。
According to the basic design theory, the bridge design method can be divided into: the elastic design method and the plastic method.
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 estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
利用正弦扫频波激振钢桥，分析其损伤前后加速度反应功率谱密度的变化。
The bridge was actuated by sinusoid sweeping frequency wave, and then the power spectral density differences between the undamaged and damaged bridge were analyzed.
然后分析了钢桥整体节点所包含的构造细节，评价了钢桥整体节点的疲劳性能。
Than the structure details contained in integral joint are analyzed, and the fatigue property of steel bridge integral joint is evaluated.
本文可为同类桥梁在设计计算中提供参考，并为钢桥规范的修订提供技术资料。
This text can offer reference in calculating of design for similar bridge and offer the technical data for criterion revision of steel bridge.
玻璃钢桥架的使用寿命延长了2 ~7倍，减少了更换桥架的二次投入费用。
Glass steel bridge and extend the service life of 2 ~ 7 times, reducing the cost to replace the bridge two times.
浮桥的抗弯刚度和受弯变形位移波的传播速度都比一般钢桥或混凝土桥小得多。
The stiffness of the long floating bridge and the propagation velocity of displacement wave are much less than those of the general steel or concrete bridge.
铁路钢桥承受的载荷是往复的交变荷载，其主要的破坏形式之一是疲劳和断裂。
The loads on railway steel Bridges are repetitive, the fatigue and fracture are the main reasons that engineering constructions lose their capability.
大跨径钢桥桥面铺装层的使用条件和受力状态十分恶劣，对铺装层材料要求非常高。
The mechanical and application condition of pavement on long span steel bridge deck is so hard that the paving material is of high requirement.
实验结果表明，利用加速度反应功率谱密度变化能够准确识别并定位钢桥损伤的位置。
Experimental results show that the steel bridge damages can be detected and located by the changes of acceleration PSD.
大型钢制桥塔其风振特点与常规混凝土桥塔有较大差异，国内有关钢桥塔风振研究较少。
There are great differences in the vibration characteristics induced by wind between large steel bridge tower and concrete bridge towers.
子牙河自锚式悬索钢桥各部分在整个施工过程中状态控制良好，达到了预想的设计效果。
During construction, all the parts of Ziyahe self-anchored suspension bridge have been successfully controlled and the design expectation has been fulfilled.
南京地铁二号线新街口站拟采用便桥疏解交通，便桥结构采用“321”装配式公路钢桥。
Xinjiekou station of Nanjing No. 2 metro will solve the problem of traffic by the temporary bridge, whose framework is a "321" assembled steel highway bridge.
首先介绍了钢桥疲劳剩余寿命评估的常规方法及其缺陷，这种缺陷可以由可靠度方法弥补。
The common method for evaluating the remaining fatigue life of steel Bridges and limitations of the method are presented.
本文应用活载谱的概念，阐明了一种可以采用的钢桥疲劳检算方法。同时给出了一些实例。
Using the concept of traffic spectrum, a reasonable method for improving the fatigue design of railroad bridges is described with some illustrative examples.
以京九线赣江桥为例，介绍了基于断裂力学的既有铆接铁路钢桥剩余寿命评估的原理与方法。
Through the example of Ganjiang bridge on Jing-jiu railway line, the fracture mechanics model applied to evaluate the remaining fatigue life of existing riveted railway Bridges is investigated.
本文对目前国内外有关钢桥的疲劳损伤机理、检测技术及疲劳寿命预测的研究做了总结和展望。
Domestic and international research of fatigue damage mechanism, test technique and fatigue life prediction of inservice railway steel bridges is summarized and forecasted.
针对典型的钢桥桥面铺装体系，采用SAP有限元软件，分析了铺装层内的拉应力的变化规律。
The variation of tensile stress in the surface for a typical steel bridge deck surface system is analyzed by means of SAP.
针对典型的钢桥桥面铺装体系，采用SAP有限元软件，分析了铺装层内的拉应力的变化规律。
The variation of tensile stress in the surface for a typical steel bridge deck surface system is analyzed by means of SAP.
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