预应力设计是混凝土连续梁桥设计中的重要组成部分。
The prestress design is the important part in the design of concrete continuous girder bridges.
混凝土的收缩徐变会引起混凝土连续梁桥不断上拱或下挠。
The shrinkage and creep of concrete will make concrete continuous beam Bridges hogging or deflecting...
滨州黄河大桥引桥是预应力混凝土连续梁桥，采用C50高性能混凝土。
The approach Bridges of Binzhou Huanghe River bridge are of prestressed concrete continuous girder structures used with C50 high performance concrete.
目前关于在役混凝土连续梁桥的可靠度研究并不多，这是本文的出发点。
At present, the research on the reliability of existing concrete bridge is not abundant, which is the starting point of this paper.
预应力混凝土连续梁桥因其优越的结构体系成为当今一种广泛采用的桥梁形式。
The prestress concrete continuous girder bridge is one of the most widely used in bridge engineering because of its excellent structural system.
介绍大跨度不对称曲线预应力混凝土连续梁桥的设计和成桥后的静、动载试验。
In this paper, the design of the long span asymmetric prestressed concrete curved continuous girder bridge, and static and dynamic load tests for the completed bridge are described.
基于以上的理论分析，本文对某预应力混凝土连续梁桥进行时变系统可靠度分析。
Base on the above theoretical analysis, the article carries on the time-dependent system reliability analysis to some prestressed concrete continuous beam bridge.
本文以预应力混凝土连续梁桥为研究对象，采用有限元分析手段结合依托工程进行研究。
In this paper, prestressed concrete continuous girder bridge is studied by using finite element analysis tool with support project.
从我国已经建成的大跨度预应力混凝土连续梁桥的实践来看，大部分采用悬臂浇注法施工。
In the great span prestressed concrete continuous Bridges which already completed in our country, the majority were constructed by the cantilever concreting.
经由以上原则以及设计施工等诸多方面考虑后，确定预应力混凝土连续梁桥为最终设计方案。
Accdoding to the above principles and construction factors, the prestressed conous bridge is chosen to the ultimate.
重点对预应力混凝土连续梁桥使用过程中存在的主要问题、形成原因以及设计对策等方面进行了初步分析和论述。
Emphasis is laid on the problems caused during the service of such Bridges, and initial analysis is made of the causes and countermeasures in the design.
介绍了五座城市立交桥或高架桥的钢筋混凝土连续箱梁翼板横向开裂的情况。
The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.
钢-混凝土组合连续梁桥的中间支座附近为负弯矩区，会导致桥面混凝土开裂，缩短使用寿命。
Negative bending moment nearby the middle supports of composite steel-concrete continuous beam bridge, will cause floor deck concrete to crack and shorten its life.
针对某大跨度连续刚构桥出现的主要病害及其原因，介绍了采取增设预应力混凝土箱梁体外索的加固措施。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
重点介绍了该桥的主桥上连续箱梁混凝土浇筑以及张拉施工技术。
This paper introduces the concrete pouring of continuous box girder of main structure of the bridge and the tension construction technology.
合龙段施工是预应力混凝土连续箱梁施工的关键环节，关系到全桥的受力和线形状况。
The closure segment's construction is the key part of continuous concrete box girder's construction, and it is related to stress and line form condition of the whole bridge.
混凝土的收缩徐变和车辆超载是大跨度连续梁桥主梁下挠严重的主要因素之一。
The creep is the main reasons why the deflection of the girder is larger than that of code.
此外，传统混凝土箱梁的腹板斜裂缝问题也己经越来越突出了，直接威胁着连续刚构桥的正常使用。
In addition, traditional concrete box girder webs inclined crack problem has been more and more prominent, direct threat to the continuous rigid frame bridge normal use.
通过试验，使我们对于预应力混凝土半刚构-连续梁桥有了进一步的认识。
By test, we will know more about prestressed concrete semi-rigid frame continuous box girder bridge.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
本文提出了一种新桥型——部分预应力混凝土组合连续梁桥的设计原理与施工方法。
In this paper, some design principles and construction methods of a new type composite continuous beam bridge with partially prestressed concrete have been put forward.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”，影响着构件的外观、使用寿命，甚至结构安全。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
挂篮是目前大跨径预应力混凝土连续刚构桥和连续梁桥在悬臂浇注施工时主要采用的施工设备。
The hanging baskets are the main equipments in the cantilever casting construction of large-scale prestressed concrete continuous rigid bridge and continuous girder bridge.
而且，在预应力混凝土连续刚构桥悬臂施工过程中，已建成梁段的线形在后期施工中是不可调整的。
And during the cantilever construction of the prestressed concrete continuous rigid frame bridge, the beam axis shape of formed blocks can't be regulated during the subsequent constructions.
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。
Results prove that presumption of the causes of diagonal cracks in continual box-gird with pre-stressed concrete bridge is correct.
预应力混凝土连续梁和连续刚构桥是目前桥梁工程中应用最广泛的桥型，通常采用平衡悬臂方法施工。
Pre-stressed concrete continuous beam and continuous concrete rigid frame bridge, constructed through balanced cantilever, are the widest used in recent Bridges.
通过平顶山市庙洪线西斜立交桥工程实例，介绍了现浇混凝土连续箱梁的具体施工方法，并对施工中的关键工序进行了系统探。
According to the overpass bridge project of Miaohong Line in Pingdingshan, the construction technology of cast-in-situ concrete continuous box beam is introduced.
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.
预应力混凝土连续曲线箱梁桥应用日益广泛，已经成为现代交通基础设施的重要桥型。
It is the wide application of P. C. continuous curved box-girder bridge which has become an important bridge style in the transportation infrastructure.
预应力混凝土连续曲线箱梁桥应用日益广泛，已经成为现代交通基础设施的重要桥型。
It is the wide application of P. C. continuous curved box-girder bridge which has become an important bridge style in the transportation infrastructure.
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