The article summarizes the types and the cause of concrete bridge crack.
文中对混凝土桥梁裂缝的种类和产生的原因作了分析、总结。
People used to cross the river by ferry but now here is built a new concrete bridge.
从前人们在这里常乘渡船过河，然而现在这里已经建起了一座新的混凝土大桥。
On this basis, the fatigue reliability of the reinforced concrete bridge was analyzed.
在此基础上对钢筋混凝土桥梁进行疲劳可靠度分析。
Its steel and concrete bridge towers, the tallest in the world, stand at 300.4 meters.
这座桥的钢筋混凝土桥塔高度达到300.4米，为世界最高桥塔。
Cedar bridge sat fifty yards upstream from and parallel to the new road and its concrete bridge.
杉树桥与新的公路平行，在河上游的五百码处，是水泥桥。
The life of ordinary concrete bridge is short and is easily damaged which has become a prominent problem.
普通混凝土桥梁寿命短、易损坏已成为突出问题。
This paper presents a finite element method of analyzing the secondary forces of prestressed concrete bridge.
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。
Temporary structures are set up to support the formwork when a large concrete bridge with box-section is built.
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。
The system can be universally applicable, analysis and control methods of cracking of concrete bridge structure.
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 development of transport system facilitates the adoption of prestressed reinforcement concrete bridge piers.
我国交通系统的完善促进了预应力混凝土桥墩在桥梁建设中的应用。
The paper introduced the cause of concrete bridge crack for prevention, control and management in the construction.
论述了混凝土桥梁裂缝各种成因，以便在设计与施工中加以预防、控制和管理。
Based on the theory of modal strain energy, a damage index is deduced to identify the concrete bridge structure damage.
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。
Analysis is made on the early hazards of the reinforced concrete bridge flexible pavement and the causes of the hazards.
对钢筋混凝土桥柔性桥面铺装的早期病害及其原因进行分析。
It is widely accepted that concrete bridge deck is protected by waterproofing material to prevent the steel from corroding.
混凝土桥面需要进行防水处理以防止主梁钢筋锈蚀。
Regarding the large-scale concrete bridge, the bridge crack is one of the main contents in bridge detection and measurement.
对于大型的混凝土桥梁，桥梁的裂缝是桥梁检测的重要项目之一。
It reached a certain conclusion, and on this basis, made some Suggestions the ductility design of reinforced concrete bridge pier.
得出了一定的结论，并在此基础上对钢筋混凝土桥墩延性设计方面提出一些建议。
Results prove that presumption of the causes of diagonal cracks in continual box-gird with pre-stressed concrete bridge is correct.
计算结果验证了预应力混凝土箱形连续梁桥中出现斜裂缝的原因推测。
After analyzing and comparing different types of Bridges, we affirm the steel-concrete bridge which is of broad prospects in application.
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。
There are great differences in the vibration characteristics induced by wind between large steel bridge tower and concrete bridge towers.
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。
At present, the research on the reliability of existing concrete bridge is not abundant, which is the starting point of this dissertation.
目前关于在役混凝土桥梁可靠度研究不多，这正是本文研究的出发点。
This paper presents a multi-objective optimization approach based on compromise programming to optimize concrete bridge deck maintenance policies.
为制定合理的混凝土桥面板维修策略，提出一种基于折衷规划的多目标优化方法。
The validity, the practicability and the stability of the method were demonstrated by a simply supported reinforced concrete bridge as an example.
最后以一简支钢筋混凝土桥梁为例，证明了该方法的有效性、实用性和稳定性。
This method can effectively simulate the spatial effect of prestressing force, and can ensure success in the design of prestressed concrete bridge.
该预应力空间效应分析方法客观模拟了预应力的空间效应，为进一步完善预应力桥梁的设计提供了依据。
Concrete bridge has been widely used in China, its construction method, construction technology and construction process has its own characteristics.
混凝土桥梁在我国已得到广泛的应用，它的施工方法、施工工艺与施工过程中都有其自身的特点。
This paper states the causation and prevention of the damages on concrete bridge paving layer, points out the study direction of bridge paving layer.
本文论述了混凝土铺装层破坏产生的原因和防治措施，同时从理论上阐述了今后桥面铺装层研究的方向。
It is instructional for perfecting design theory of concrete bridge, construction techniques, monitoring and maintenance of bridge operational period.
对完善混凝土桥梁设计理论、施工技术、桥梁运营期间的监测及养护工作有一定的指导意义。
It is high concerned that cement concrete bridge deck overlays are seriously damaged at early ages, the phenomenon often occurred greatly affect communication.
水泥混凝土桥面铺装层屡有发生的过早严重损坏而影响交通现象，已受到高度关注。
Durability resistance at the section corner is relatively weak in the concrete bridge, therefore, the section corner is the key place of the durability maintenance.
混凝土桥梁的梁体截面角区及立柱截面角区的耐久能力相对较弱，是耐久性维护的关键部位。
This paper introduces the actual provision about road bridge criterion controling durability, and some new methods to improve reinforced concrete bridge durability.
介绍了现行公路桥梁规范控制耐久性的规定，以及提高钢筋混凝土桥梁耐久性的新方法。
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