Large span girder, due to the limited transport conditions, is the production of.
跨度大的主梁，由于运输条件所限，是分段制造的。
To install the crane span before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridge survey.
安装前要对起重机安装跨度，金属结构主梁的拱度、水平旁弯，小车轨道高低差、轨距偏差，桥架对角线等进行测量。
Steel pipe girder is a sort of new construction structure which not only can meet the requirements of wide span structure, but also can be applied to any kind of curved construction.
钢管桁架作为一种新的建筑结构形式不但能够满足结构大跨度的要求，而且满足建筑任意曲线形式。
From the point of internal force and deformation, the influence of girder joint scheme of side span on construction control is discussed.
从受力与变形角度讨论了边跨合龙方案对连续梁桥施工控制的影响。
Assembly equipment and assembly method differs as span, weight and installation height of girder.
钢梁的跨度、量和安装高度不同，适合的吊装机械和吊装方法亦随之而异。
Uncertain factors in construction of continuous girder bridge such as side span joint scheme and different balanced cantilever construction speed are analyzed.
对施工中的不确定因素，诸如边跨合拢方案和不同桥墩悬浇进度不一致等进行了分析比较。
Erqi Yangtze River bridge is composite girder cable-stayed bridge with three towers with the longest span in the world, which is connected with steel girder and concrete slab.
在建的武汉二七长江大桥是主梁采用钢结构，桥面板为混凝土结构，主梁与桥面板用剪力件连接的世界上最大跨度的三塔结合梁斜拉桥。
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.
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。
Additional bending moments in the cantilever box girder with a large span width ratio are distributed locally under concentrated loads.
集中荷载作用下，具有较大跨宽比的悬臂箱梁的附加弯矩分布具有明显的局部性质。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
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。
With innovative structural characteristics and fine mechanical behavior, flat steel box girder is now the main structural style of large span bridges girders.
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。
Based on that, a five-span prestressed composite box girder is studied, the reliability level of construction is computed in the different service period from reliability.
在此基础上，对五跨预应力组合箱梁进行了研究，从可靠度方面给出了在服役期间结构的可靠度水平。
The preflex composite girder is a new girder type that has been successfully used in small span bridges in China in the recent years, and is currently starting to be used in long span bridges.
预弯组合梁是近年在国内采用的新梁型，已经在许多小跨度桥上成功应用，在大跨度桥上也开始付诸实践。
Long span PC box girder Bridges have been widely used in middling span Bridges in highway engineering as they possess many merits, such as huge torsion stiffness, high section efficiency.
大跨径PC箱梁桥因为其具有截面抗扭刚度大、效率高等优点，被广泛应用于中等跨径的公路桥梁工程中。
A two-span continuous curved box girder model was made with Perspex.
建立一两跨连续曲线箱梁有机玻璃试验模型。
Underwater placement of bridge's platform and cradle construction method for multi-span continuous box-girder structure constitute the construction feature of Fuyang bridge in Zhejiang province.
以水下浇筑大桥承台和采用挂篮法施工多跨连续箱梁结构是浙江富阳大桥工程的重头戏。
Thus, application of the great span pre-stressed l-section steel girder will have the practical significance regarding the project application, might supply the engineering design reference.
因而，大跨度预应力工字钢梁将对于工程应用具有实际意义，本文的研究成果可供工程设计参考。
A study of the stress and strain distribution of anchorage zone in a long span PC box girder was undertaken in the background of Hangzhou Bay Bridge project.
本文以杭州湾跨海大桥北航道非通航孔桥为工程背景，对大跨度预应力混凝土箱梁锚固区混凝土的应力应变分布特征进行了分析研究。
The coupled vibration analysis of long-span rail-way curved-girder bridges and vehicles was discussed.
以某铁路曲线连续梁桥方案为例，讨论了大跨度铁路曲线梁桥的车桥耦合振动。
The shaking table test was conducted to gain an insight into the earthquake resistant performance of a large-span prestressed concrete grillage girder space frame structure.
利用地震振动台对大跨预应力混凝土井式梁空间框架结构的抗震性能进行了实验研究。
The project has used large-span secondary girder pre-stressed ceiling structure, which effectively reduces the beam cross-section height and ensures the total height and building height requirements.
工程中采用了大跨度次梁预应力楼盖结构，有效地降低梁的截面高度，确保层高和建筑物总高度的要求，此外还采用了超长混凝土结构无缝设计等新技术。
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.
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。
Therefore, the author realized the static, dynamic and stable behaviors of hybrid girder cable-stayed bridge, and comprehensively understood the analysing method of the large span cable-stayed bridge.
由此，作者比较全面地认识了混合梁斜拉桥的各种静力、动力和稳定性能，掌握了运用有限元软件计算分析大跨度桥梁的方法。
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。
The experiment provides a basis of the approaching span of Third Minjiang River Bridge design in Fuzhou in particular as well as the theoretic study of box girder in general.
试验结果为福州闽江三桥北引桥的设计提供理论依据，也为箱梁理论研究提供实践基础。
The experiment provides a basis of the approaching span of Third Minjiang River Bridge design in Fuzhou in particular as well as the theoretic study of box girder in general.
试验结果为福州闽江三桥北引桥的设计提供理论依据，也为箱梁理论研究提供实践基础。
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