基于模态应变能理论，得到能用于混凝土桥梁结构损伤的识别指标。
Based on the theory of modal strain energy, a damage index is deduced to identify the concrete bridge structure damage.
本文提出了预应力混凝土桥梁结构弹性工作阶段的有限元分析方法。
This paper presents a finite element method of analyzing the secondary forces of prestressed concrete bridge.
体外预应力技术是加固既有钢筋混凝土桥梁结构最有效的方法之一。
External prestressing is one of the most effective methods to strengthen bridge.
得出了能够普遍适用的，系统分析、控制混凝土桥梁结构裂缝的方法。
The system can be universally applicable, analysis and control methods of cracking of concrete bridge structure.
结果表明，该模型可用于大气环境下基于碳化的钢筋混凝土桥梁结构耐久性评估。
It shows that the stochastic model can be used to durability assess of existing reinforced concrete structures in atmosphere environment.
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.
介绍了一种利用无线ae传感器对大型混凝土桥梁结构进行监测的新方法，并对新式数据处理和分析技术做出综述。
A new method of using wireless AE sensor to monitor the structures of large civil bridge is introduced in this article, and the technologies of data processing and analysis are described.
同时也针对工程的实际问题对混凝土桥梁结构裂缝的修补提出可实施的解决方案，并分析了各种方案的特点及适用条件。
Also in the practical problems in engineering of repair cracks in concrete bridge structure to implement solutions, and analyzed the characteristics and the various solutions suitable conditions.
然而，混凝土的徐变及其对桥梁结构性能影响的预计和控制，是十分复杂又难以获得精确答案的问题。
However, creep of concrete and its influence on bridge structures are hard to predict and control. The calculation is very complicated and the results are not accurate.
再次，讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
本文还针对预应力混凝土连续刚构桥和斜拉桥，分析计算了其在施工和运营阶段，混凝士徐变对桥梁结构的影响。
The influence of concrete creep on bridge structure under the construction and operation stage for prestressed concrete continuous rigid frame bridge and cable-stayed bridge is also analyzed.
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.
纤维复合材料补强加固混凝土结构是近年来出现的一种新兴的、科技含量较高的补强加固技术，已被应用于国内外的桥梁加固工程中。
In recent years, the concrete structure strengthening by fiber compound material has become a newly found high technology, which is widely used in bridge strengthening works at home and abroad.
此外，通过荷载试验检验，说明轻质混凝土完全可用于桥梁的主要承重结构。
It is conclude that lightweight light-expansion concrete is capable of applying to main structure of Bridges.
钢筋混凝土结构的主要桥梁，被扭扁坍塌在河床。
Its main bridge - a huge concrete structure - now lies concertinaed on the riverbed.
自平衡钢管混凝土系杆拱桥以其科学合理的受力特性，新颖优美的结构形式而受到了桥梁科技工作者的青睐。
Self balanced steel pipe concrete tied arch bridge finds favor in bridge engineers' eyes because of its good performance with external loads as well as its new and beautiful structural style.
混凝土徐变收缩分析是桥梁结构分析中的基本问题，已有多种较成熟的计算方法。
The analysis for concrete creep and shrinkage is a common problem in the bridge structural analysis, and there are many popular methods available now.
混凝土结构的桥梁横跨在池塘上，并选用了在中国传统文化中代表幸福的火红色设计，光彩夺目。
The bridge spans as a continuous concrete structure over a pond and stands out strongly in its flaming red color, traditionally the symbolic color of happiness in China.
它是用埋入式光纤传感器来监测类似桥梁、高速公路、隧道和房屋建筑等混凝土结构中的开裂信号。
It can monitor the crack signal in the concrete structure, for example, bridge, highway, tunnel and building etc., using the embedded optical fiber sensor.
论述了混凝土的腐蚀机理及通用的防护方法，介绍了钢筋混凝土结构在桥梁建设中的重要应用。
This paper discusses corrosion principle and current protection methods of concrete, introduces the important application of concrete structure in the bridge building?
采用箱型截面的大型混凝土桥梁，其结构施工过程中浇注混凝土需要设置临时支撑结构。
Temporary structures are set up to support the formwork when a large concrete bridge with box-section is built.
探讨了碳绞线体外预应力混凝土桥梁的结构特点和构造措施，以及该类桥梁中挠度、延性及抗弯、抗剪的计算分析方法。
The structural properties of concrete bridge externally prestressed with CFCC, and the analysis methods of deflection, ductility, bending and shear design of the bridge are discussed.
由于建设时期对混凝土结构耐久性问题认识的不足，许多现役混凝土公路桥梁存在着严重的耐久性问题。
Due to the neglect of the durability of concrete structures in construction periods, serious problems exist now in many reinforced concrete highway Bridges which are still in use.
大坝、桥梁等水利工程的结构安全和防渗等绝大多数由混凝土和钢筋混凝土承担。
The structural safety and leakage of water conservancy project such as DAMS and Bridges are shouldered by concrete and steel reinforced concrete.
最后，对桥梁设计计算、桥梁混凝土施工及箱梁下挠的防治技术进行论述，并对开展控制结构长期下挠的研究提出了建议。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
钢梁与钢筋混凝土桥墩刚节点结合，是组合结构桥梁重要的结构形式之一。
The rigid connection between steel girders and reinforced concrete piers is one type of the important applications of composite construction.
圆形截面钢筋混凝土构件是工程结构中常用的构件之一，如港口工程中的混凝土灌注桩、建筑物的承载柱、桥梁桥墩以及基坑的支护排桩等。
Members with circular concrete sections have been used widely for piles in harbor engineering, columns of the building, bridge piers and support piles in deep foundation ditch engineering, etc.
圆形截面钢筋混凝土构件是工程结构中常用的构件之一，如港口工程中的混凝土灌注桩、建筑物的承载柱、桥梁桥墩以及基坑的支护排桩等。
Members with circular concrete sections have been used widely for piles in harbor engineering, columns of the building, bridge piers and support piles in deep foundation ditch engineering, etc.
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