摘要水上大跨度桥梁钢箱梁吊装工程风险大、对安全控制管理要求较高。
Abstract: the steel box beam lifting on wide water surface faces a lot of risk factors and thereby has a higher safety control requirement.
对702个CVN冲击试验数据应用对数数学分析模型进行回归，得到桥梁钢和焊缝的通用计算表达式。
A logarithm mathematical model is used to analyze 702 CVN impact test data and by means of regression, a general equation is obtained for bridge steel and welding seams.
在1942年，它的钢框架被拆除，用于防御工事和桥梁建设。
In 1942 its steel frame was disassembled for use in fortifications and Bridges.
经过几种不同桥型的分析比较，确认了一种具有广阔应用前景的钢—混凝土组合桥梁。
After analyzing and comparing different types of Bridges, we affirm the steel-concrete bridge which is of broad prospects in application.
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.
还有重金属类产品，比如金属板，工字钢，角铁，管道和金属棒，建筑结构框架，桥梁，船只，汽车，铁道以及其他各种结构。
Heavier steel products, such as plates, I beams, angel iron, pipe, and bar, form the structural frames of buildings, Bridges, ships, automobiles, roadways, and many other structures.
钢箱梁内部的腐蚀问题，对桥梁的设计使用寿命至关重要。
The corrosion resistance of the girder internals is vitally important for designed service life of Bridges.
本文以桥梁仿真分析技术为主线，以整治效果为目标，以荷载试验和长期观测为检验手段，建立了既有钢桥裂纹安全检测评估系统。
Based upon finite element simulation analysis, load tests and long-term observation, a detection and evaluation system for old steel bridge safety was developed in this thesis.
简要介绍深水桥梁基础钢围堰的两种施工程序，分析出各自的优缺点及使用条件，为工程的实施提供参考。
Introduction the procedure of the construction of deep water pile foundation of the highway Bridges, Analyze out each from of advantage, weakness and usage term, provide the help for engineering.
大跨径钢桥面铺装是桥梁建设中的难点。
Steel bridge pavement is the difficulty in construction of bridge.
并列举了典型桥梁、输电钢塔、电视塔的防腐配套体系。
Typical anticorrosion systems used on bridge, power-supplying steel tower and TV tower are given.
通过数值模拟得出了几点结论，对于钢桁架桥梁的抗震设计有一定的参考价值。
The conclusions obtained through numerical simulation have valuable reference to aseismic design of steel truss bridge.
将桥梁上部结构中常见的混凝土腹板更新为波纹钢腹板，以达到减轻梁体自重和充分发挥各种材料性能优势的目的。
Replacing the usual concrete web with the corrugate steel web in the upper part construction of Bridges can both reduce the dead weight of beams and bring the function of all materials into full play.
而双壁钢围堰具有结构强度高、防水性能好的特点，因此，在桥梁深水基础中得到广泛应用。
The double-wall steel cofferdam is widely applied in bridge deep water foundation due to that it is of characteristics of high structural strength and good waterproof performance.
采用钢弦式应力计测量预应力混凝土桥梁结构应力时，由于种种原因，将导致测试结果与理论计算结果不符。
When using reinforced-stress gauge to measure structural stresses in prestressed concrete girder bridge, there exist errors between measured values and the theoretical ones because of various factors.
钢吊箱作为深水承台施工的主要构件，其设计的合理与否关系到整个桥梁的施工质量。
Acting as the major component for construction of pile caps in deep water, the rational design of the cofferdam has a direct bearing to the construction quality of whole bridge.
文章将分析桥梁上部结构贴钢法加固的原理和设计方法。
This article analyzes the principles and design of the binding steel strengthening method in the superstructure strengthening of bridge.
在桥梁工程中，它是钢桥桥面结构的一种新形式。
早期修建的小跨径钢桁梁悬索桥大部分已接近设计年限，正确评估其承载能力是桥梁维修、加固和技术改造的基本依据。
Most of Minisize span suspension Bridges with steel truss beam constructed in early age will approach its designed working life.
钢吊箱围堰以其诸多优点在大型桥梁施工中得到了广泛应用。
The steel box cofferdam has been widely employed in the construction of long bridges for its advantages contrasted with other construction methods.
钢桥面沥青混凝土铺装是大跨径桥梁建设的关键技术之一，备受世界各国工程界的高度重视。
Bitumen concrete pavement, a core technology in big-span bridge, is deemed highly important by engineering circle of every country in the world.
目前，钢桥面铺装的早期破坏成了国内外桥梁界的难题。
Nowadays, the forepart disease of steel bridge's pavement is an international puzzle.
在移动桥梁装备的研制中，高强钢的应用颇为广泛。
The high strength steel is widely used during the research and design of the movable bridge.
对于柳梧大桥这样的大跨度钢拱桥，由于其处于西部高原地区，属于抗震等级要求较高的桥梁，有必要进行动力计算。
As a large span steel arch bridge and located in the west plateau, it is necessary to calculate its dynamical action because it belongs to higher anti -seismic lever.
扁平钢箱梁具有新颖的结构特点和优良的受力性能，已成为现代大跨度桥梁加劲梁的主要结构形式。
With innovative structural characteristics and fine mechanical behavior, flat steel box girder is now the main structural style of large span bridges girders.
最简单的桥梁是梁桥，由钢性梁和两端的两个支柱构成。
The simplest type of span is a beam bridge, consisting of a rigid beam between tow supports.
本文通过大量的试验、调查分析，得到了组成铁路桥梁永久作用各分随机变量的统计特征值，并进一步分别得到了钢桥、混凝土桥桥上永久作用的概率分布。
In this paper the probability distribution curve of the dead Loads acting on railway Bridges is obtained through a great number of experiments, investigations and analyses.
基于精英蚂蚁寻优策略，将大跨径桥梁的钢桥面板和铺装层作为桥面铺装系整体进行结构优化设计。
The optimum designs of long-span orthotropic steel bridge deck and its pavement system were studied based on super excellent ant colony optimization strategy.
基于精英蚂蚁寻优策略，将大跨径桥梁的钢桥面板和铺装层作为桥面铺装系整体进行结构优化设计。
The optimum designs of long-span orthotropic steel bridge deck and its pavement system were studied based on super excellent ant colony optimization strategy.
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