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.
预应力混凝土连续箱梁与钢混结合梁在公路、铁路工程中的应用越来越普及。
Prestressed concrete continuous box girder and steel-concrete composite girder are more and more adopted in construction of highway and railway.
近年来，混凝土连续箱梁桥在国内为得到了广泛运用，造型美观，安全可靠。
In recent years, concrete continuous box girder bridge has been widely used at home and abroad, which has Attractive appearance, safe and reliable.
介绍移动模架施工现浇混凝土连续箱梁的施工工艺，以及在施工中应该注意的事项。
This article gives the construction procedure and instructions for on-site casting of continuous concrete box beam with mobile mould.
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.
主要阐述了目前预应力混凝土连续箱梁在多年的运营中，箱梁腹板的主要病害及其加固方法。
Main diseases and reinforcement method of current box girder web plate are discussed, after years of service.
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,.
预应力混凝土连续箱梁以其结构刚度好、行车平顺舒适、外形美观、养护简单等优点而备受工程界欢迎。
Prestressed concrete box girder with its structural rigidity for good, smooth driving comfort, appearance handsome, conservation and has the advantages of simple engineering welcome.
基于换算截面法，运用变分原理对开裂混凝土连续箱梁的剪力滞效应进行了分析，并与规范方法和试验结果进行了对比。
Based on transformed section method, shear lag effect of continuous box girder was analyzed adopting variational principle, and compared with design code and experimental result.
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.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁，纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
预应力混凝土连续箱梁的悬臂施工作为大跨径桥梁的主要建设方式日渐成熟，但此类桥梁设计、施工中仍然存在着某些关键问题其处理方式比较含糊。
Now cantilever construction of prestressed concrete continuous box girder as the chief construct methord in engineering has gone intio the rang of mature.
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.
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.
吉水赣江大桥是江西省第一座拱上建筑采用现浇连续板梁式结构，且桥墩为钢筋混凝土空心墩的箱型拱桥。
Ganjiang bridge in Jishui is the first box-arch bridge, which has continuous cast boards and girders construction on the arch and whose piers made from reinforced concrete are hollow.
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.
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.
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.
本文将对高架桥预应力混凝土变截面连续箱梁施工质量控制及技术进行论述。
This text will turn quality control and technology into section continuous case roof beam and construct to enter to the overpass prestressing force concrete Walk and describe.
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.
海淀公园人行天桥位于北京海淀公园内，其钢-混凝土组合连续梁为双线双曲下承式箱梁。
The pedestrian overbridge of Haidian Park is located in Beijing Haidian Park, whose steel-concrete continous beam is a bifilar and hyperbolic through box beam.
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.
普通钢筋混凝土 连续箱梁桥产生开裂和过大的变形等问题的产生原因进行了一定的探讨。
The reasons of cracking and large deformation on common reinforced concrete continuous beam bridge were discussed.
最后介绍了预应力混凝土连续曲线箱梁桥的设计，重点讨论了总体设计，钢束预应力的损失的计算，预设支座偏心调整扭矩等设计中的关键问题。
Lastly design of P. C. continuous curved girder bridge is discussed in the paper, in especial prestress reinforcing steel bar's loss and bearing design.
结合实际箱梁算例，分析预应力混凝土变截面连续箱梁的挠曲性能。
The flexural behavior of the prestressed concrete continuous box girder with variable cross-sections is analyzed through a practical example.
结合实际箱梁算例，分析预应力混凝土变截面连续箱梁的挠曲性能。
The flexural behavior of the prestressed concrete continuous box girder with variable cross-sections is analyzed through a practical example.
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