跨度大的主梁，由于运输条件所限，是分段制造的。
Large span girder, due to the limited transport conditions, is the production of.
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。
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.
本论文主要针对大跨度箱形截面梁结构剪力滞效应和结构非线性抗震性能进行了较深入的理论分析和一定的试验对比研究。
In this dissertation, the shear lag effect for large span box-section beam structure and the structural nonlinear anti-seismic capability have been theoretically and experimentally investigated.
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.
在一定跨度范围内，与梁桥的相比，无梁板桥具有更多的优点。
In a certain range of span, the slab bridge without beam has more advantages than that of the beam bridge.
通过将超长的五跨连续梁根据跨度的变化分为四跨连续梁和32。
Through dividing the over-long five-span continuous beams into four-span continuous beams and 32.
大跨度张力结构，由于受力合理、刚度大、重量轻、制作安装方便，目前在我国得到了广泛的应用，例如张弦桁架(梁)结构。
Large-span tension structure are extensively used in China now, because of stress fit distribution, large stiffness, light weight, easily making and installing, such as truss (beam) string structure.
偏载作用下大跨度桥梁主梁易产生较大的扭转变形，这对轨道交通车辆运行的安全性和舒适性是不利的。
Eccentric loadings will induce large torsional deformations for the girders of long-span Bridges, deteriorating the safety and comfort of moving vehicles of rail transit.
从而将灰色系统理论成功应用到大跨度预应力砼连续梁桥的施工控制中。
Then the gray system theory is applied in the construction control of long-span prestressed concrete continuous beam 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。
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.
针对大跨度预应力空间框架体系托梁受力复杂的特点，采用ANSYS软件进行了预应力梁板体系的空间有限元分析。
Based on the force behavior of joist of large-span prestressed space frame system, space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software.
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。
With innovative structural characteristics and fine mechanical behavior, flat steel box girder is now the main structural style of large span bridges girders.
理论计算及工程实践表明本连续梁式架空轨束梁的设计计算方法可靠，连续梁架空方式是提高轨束梁架空跨度的有效方法。
The practical construction results show that the computation theory of this rails beam is credible and this rails beam is a good method to enhance rail's span in the crossing site.
为此，本文阐述了大跨度箱形梁的预拱确定方法——逆迭代法，并以深圳会展中心箱形梁为实例说明计算过程。
Therefore, the paper expatiates counter-arched method of long span box beam-iteration, and the process of counter-arched calculation of Shenzhen conference and exhibition center.
四川国际网球中心会议中心某会议室同时采用大跨度和悬挑预应力结构，形成交叉预应力梁结构。
Some meeting room of Sichuan International Tennis Center applies large-span and cantilever prestressed structure simultaneously to form cross prestressed beam structure.
采用车-桥系统相互作用的计算模型，对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
介绍营口航运码头采用钢长桩大跨度的高桩梁板式混合结构的设计。
It introduces design of Yingkou Shipping Wharf which adopts high-piled slab & beam structure with long steel pile of large space.
分析结果表明，在大跨度悬索桥中，多模态效应和模态耦合效应对主梁的竖向和扭转位移抖振响应有显著的影响。
It is shown that the multimode and mode coupled effects on the vertical and torsional buffeting responses of the bridge deck are quite obvious.
在设计中当等截面连续梁的计算跨度相差不超过10%时，可用等跨的图表来进行内力计算。
When actual span D-value of equal section continuous beam in designs is less 10%, equal span chart is employed to calculate internal force.
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。
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.
文中介绍的施工方法和施工工艺，对于水上基础的施工和大跨度刚构梁桥的悬灌施工提供了经验和借鉴。
These would provide experience and reference of cantilever pouring for over-water foundation and continuous beam bridge of large span.
蛇口招商购物中心工程采用了宽扁梁-大跨度板的体系。
The Shekou Mechants shopping center project embodies the application of the flat beam wide span plank.
结合工程实例，介绍大跨度预应力现浇箱梁托架法施工的关键工序、质量检测及控制。
An introduction is given to key construction flow, quality detection and quality control of bracket method for large span prestressed cantilever box beam cast in place.
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 coupled vibration analysis of long-span rail-way curved-girder bridges and vehicles was discussed.
在跨度允许范围内，与梁桥相比，无梁板桥具有更多的优点。
In the allowable scope of span the beam-less slab bridge has more advantages in comparison with beam Bridges.
大跨度预应力砼连续梁桥施工过程中体系转换复杂，横向刚度控制是施工的关键之一。
The system transition in the construction of long span prestressed concrete bridge is very complex, and the control of the lateral stiffness is one of the key techniques.
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。
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。
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.
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