结果表明，对于大型复杂桥跨结构的动力分析宜采用一致质量矩阵模型。
Through the analysis and comparison of the results, it is found that the dynamic analysis on large and complicated Bridges can be carried out by using consistent mass matrix.
斜拉桥桥跨结构的重量和桥上活载绝大部分或全部通过斜拉索传递到索塔上。
橡胶支座在桥梁上的应用已有60年左右的历史，支座是桥跨结构的支承部分。
The rubber bearings in bridges on the application has been around 60 years of history, bearing support is part of a bridge structure.
本文通过模型实验和有限差分法电算，对桥跨结构主梁剪力横向分布进行了研究。
In this paper, the shear transverse distribution on the beams of bridge is researched using data of model tests and computation in the finite difference method.
动载试验中，测试了该桥的自振特性，并进行行车激振试验，分析桥跨结构在行车时的冲击作用。
The natural vibration of the structure is tested, and the impact of the passing vehicles is analyzed under dynamical loads.
它的作用是将桥跨结构的支承反力传递给墩台，并保证桥跨结构在荷载作用下能满足设计要求的变形。
Its role is to support a bridge structure, reaction forces transfer to the pier, and to ensure that the bridge span structure under load to meet the design requirements of the deformation.
在动载试验中，测试桥跨结构的自振特性，并进行了行车激振试验，分析桥跨结构在行车下的冲击作用。
The natural vibration of the structure is tested, and the impact of the passing vehicles is analyzed.
跨座式单轨PC(预应力混凝土)轨道梁桥结构具有承重、导向及稳定的作用。
Straddle type single track beam of Press Steel Concrete (PC) possess the action of bearing, orienting and stabilizing.
介绍了目前西部农村建造中小跨径桥梁常用的桥型结构及特点；
The paper introduces the structure of the medium and small spanning bridges which is often used in western countrysides, and its characteristics.
因此在大跨桥施工完成后建立一套可靠的结构健康监测评估系统是尤为必要的。
Therefore, It is of great importance to design a reliable structural health monitoring system after construction finished.
采用空间离散模型，计算重庆跨座式单轨交通线路袁家岗车站桥的结构自振特性及动力响应。
By spatial discretization model, the structural self-vibration property and the dynamic response of Yuanjiagang Station bridge on Chongqing straddle type monorail line was computed.
根据多梁式斜梁桥结构及其横向受力特点，提出了“弹性支承刚性横梁法”进行跨中荷载横向分布的计算。
The elasticity support rigidity crossbeam method is brought forward according to orientation structure endure force character of skew bridge with multilongitudinal beams.
对该桥水平转体结构体系、施工方案、施工工艺、跨中合拢施工进行了详细的阐述。
System of horizontal swivel structure, construction scheme, construction method and construction of middle-span closure are expounded in the paper.
跨线桥结构由古铜被做，有绿色古色并且它的形式是一点象眺望台、怪异建筑物或藤架。
The structure of flyover is made from bronze which has a green patina and its form is a little like a gazebo folly or pergola.
对于高墩大跨梁桥，由于其日益广泛地采用高强材料和薄壁结构，因而稳定问题也就更显重要。
Two issues related to the stability of large span beam bridges with high piers are introduced and discussed in this paper.
结合近些年来我国大跨径公路钢桥的建造情况，根据对部分关键构造细节所进行的疲劳试验结果，分析了几种新型结构型式和制造工艺中所存在的疲劳问题。
On the basis of fatigue test results for some important structural details, fatigue performance of some new structures in long-span steel highway bridges built in recent years in china is studied.
目前已建成的一些大跨径连续刚构桥中出现了裂缝，结构整体效应分析不够肯定是原因之一。
At present, a few of cracks appear in some continuous rigid Bridges which have been constructed, and one of the reasons must be the insufficient analysis to the whole structure.
重点介绍了大桥方案的设计构思、桥跨布置以及结构设计。
In the paper, the design considerations, bridge span arrangement and structural design of the bridge are mainly introduced.
根据多跨连续梁桥的主要结构特点，提出了地震行波效应分析的多跨连续梁桥分析模型。
Based on the key dynamic characteristics of multi-span continuous Bridges, a simplified analytical model was adopted to study the effects of traveling waves.
目前已建成的一些大跨径连续刚构桥中出现了裂缝，结构整体效应分析不够肯定是原因之一。
At present, a few of cracks appear in some continuous rigid Bridges which have been constructed, and one of the reasons must be the insufficient effect analysis of the whole structure.
斜拉桥是近代大跨桥梁结构中常用的一种桥型。
The cable-stay bridge is a commonly used bridge type in modern large span bridges.
对于高烈度地震区大跨桥梁的设计推荐了一种全新的桥式方案——空腹式箱梁连续刚构，该结构是钢管桁架和预应力混凝土板的组合结构。
The author recommends a brand new long-span bridge structure in high intensity earthquake areas—consecutive box girder rigid frame bridge with hollow abdomen.
桥台-指支撑桥跨端部并为承载紧邻桥梁的道路的填方材料提供横向支撑的结构物。
Abutment-a structure that supports the end of a bridge span and provides lateral support for fill material on which the roadway rests immediately adjacent to the bridge.
重点介绍该桥设计标准、桥跨布置以及结构设计和计算。
In this paper, the design standards, bridge span arrangement, structural design and calculations of the bridge are mainly dealt with.
以广州东沙大桥独塔边跨带辅助墩的混合梁双索面斜拉桥为例，采用对比分析的方法，定量分析结构自重、临时荷载、结构刚度、混凝土收缩徐变这些因素对混合梁斜拉桥成桥状态的影响。
The influences of dead weight of structure, temporary load, structural stiffness, creep and shrinkage in concrete effect on finished dead state of hybrid girder cable-stayed bridge were analysed.
三跨的人行桥的桥面为钢结构，总共三段，每段分开焊接制作，通过螺栓连接。
The steel-structure bridge deck is three-span, and each one is welded separately with bolt connection.
高墩大跨连续刚构桥是对收缩、徐变较为敏感的结构体系。
Long-span continuous rigid frame Bridges with high piers are sensitive to shrinkage and creep.
运营中的大跨径预应力混凝土梁桥箱梁普遍开裂，严重影响了桥梁结构的安全性和耐久性，造成了桥梁过早的失效和破坏。
The long-span prestressed concrete beam bridge is likely to craze in operation, which decreases the bridge's safety and durability and then leads to its structure's early failure and destruction.
本文依据结构可靠度理论，对高墩大跨预应力混凝土刚构桥的施工期桥墩可靠度进行研究。
On the basis of structure reliability principles, this essay studies the reliability of prestressed-concrete rigid-frame bridge with high-pier and large-span during construction period.
本文依据结构可靠度理论，对高墩大跨预应力混凝土刚构桥的施工期桥墩可靠度进行研究。
On the basis of structure reliability principles, this essay studies the reliability of prestressed-concrete rigid-frame bridge with high-pier and large-span during construction period.
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