采用空间梁单元模拟高墩、大跨桥梁实际结构。
Spatial beam element is adopted to simulate large-span bridge with high-pier.
斜拉桥是近代大跨桥梁结构中常用的一种桥型。
The cable-stay bridge is a commonly used bridge type in modern large span bridges.
抗风稳定性往往成为决定大跨桥梁结构安全性的控制因素。
So, wind resistant stability is the controlling factor that determining the safety of long-span bridge structures.
在大跨桥梁抖振响应分析中，时程分析具有其独有的优势。
Time-domain method plays an important role in buffeting analysis of long-span bridge.
本文首先对大跨桥梁施工控制的技术方法和技术体系等进行了简单的阐述。
Firstly, this thesis introduces briefly the construction control technologies and systems for long-span Bridges.
工程设计与施工实例表明该技术可在大跨桥梁、屋盖及既有结构加固中应用。
The design and construction examples prove that this technology could be applied in the long span bridge, roof structures and strengthening of existing structures.
多重调谐质量阻尼器(MTMD)主要被用来控制结构的侧向振动与大跨桥梁的抖振。
Multiple tuned mass dampers (MTMD) are developed mainly for the purpose of suppressing horizontal motion of structures and buffeting of bridge structures.
气动导数是大跨桥梁结构颤振和抖振分析中确定颤振临界风速和抖振响应的重要依据。
Flutter derivatives play very important roles for determining the flutter critical wind speed and buffeting responses of long-span Bridges.
气动导数是大跨桥梁结构颤振和抖振分析中确定颤振临界风速和抖振响应的重要依据。
In this paper, the flutter derivatives of a thin plate model under the simultaneous actions of wind and rain are identified by using the Covariance-Driven Stochastic Subspace Identification method.
在有限元模型误差来源分析的基础上，提出了大跨桥梁结构模型误差的分层次修正方法。
On the basis of error analysis of finite element modeling, the multi-level model updating is put forward for long-span Bridges.
提出了一种在ANSYS中直接分析大跨桥梁三维全模态颤振的有限元模型和频域方法。
Authors presented a finite element (FE) model and frequency analysis method for analyzing 3-d full-mode flutter of long-span Bridges using ANSYS software.
随着高墩大跨桥梁不断涌现，车辆速度和载重量不断增大，车桥耦合振动问题愈加突出。
As long span Bridges are constantly emerging, the speed and load of vehicles are increasing, Coupled vibration of vehicle-bridge problems become more prominent.
因此，研究掌握大跨桥梁的地震反应是建立合理抗震体系和采取有效抗震措施的科学依据。
Therefore, it is necessary to study and master the seismic response of long span bridges in order to establish reasonable seismic design system and take effective anti-seismic measures.
基于随机轨道粗糙度和车桥偶合单元，提出了大跨桥梁移动车辆荷载作用下随机振动的计算模式。
Based on random rail roughness and vehicle-bridge coupling element, a method is proposed for calculating random vibration of long span Bridges under moving vehicles in this paper.
混凝土斜拉桥以其耐久性好、造价和维护费用相对较低等优势已成为大跨桥梁结构中极具有竞争力的桥型。
Concrete cable-stayed bridge is a competitive structural system in the long-span bridge family in virtue of its good performance such as durability, low cost of construction and maintenance, etc.
该方法简化了大跨斜拉桥车桥振动分析过程，便于工程技术人员应用，可为其他类型大跨桥梁车桥振动分析提供参考。
The method simplifies progress of vibration analysis of vehicle-bridge, provides valuable theory reference for vehicle-bridge dynamical analysis of homothetic large span bridge.
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.
在工程中可实施的仿真控制精度和控制范围内实现了对大跨桥梁结构减震控制的仿真分析。大跨度斜拉桥的算例说明了这一技术是可行、有效的。
The simulating control analysis is made for a cable stayed bridge in the possible simulating precision and scope of control force, and it is shown that the technology is feasible and effective.
分析表明灰色预测控制适用于大跨预应力混凝土桥梁的施工控制。
The results indicate that the grey predictive control system is adapted to the construction control for the long-span PC Bridge.
钢桥面沥青混凝土铺装是大跨径桥梁建设的关键技术之一，备受世界各国工程界的高度重视。
Bitumen concrete pavement, a core technology in big-span bridge, is deemed highly important by engineering circle of every country in the world.
行波效应对大跨刚构-连续桥梁减震控制的影响。
Analysis of traveling wave influence on seismic mitigation control for long span rigid-continuous bridge.
与预应力钢筋混凝土梁相比，其刚度较小，特别是在大跨径桥梁中，其挠度变形是影响其应用的重要控制因素。
Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application.
本文首先对大跨径桥梁施工控制技术的发展趋势、理论方法和工程实践等进行了简单的阐述，接下来研究了灰色系统理论在桥梁施工控制中的应用。
On the basis of this theory, this thesis focuses on the study of the application of the grey system theory to the construction control of long-span Bridges.
大跨钢拱与刚构协作桥梁是一种新型的组合体系桥梁，张拉系杆是调整这种体系内力与线形的重要方法。
The long-span hybrid bridge of steel arch and rigid frame is a type of new bridge structure system.
基于精英蚂蚁寻优策略，将大跨径桥梁的钢桥面板和铺装层作为桥面铺装系整体进行结构优化设计。
The optimum designs of long-span orthotropic steel bridge deck and its pavement system were studied based on super excellent ant colony optimization strategy.
随着大跨径桥梁结构在工程中应用日趋广泛，其施工控制问题也越来越受到工程界的重视。
Construction design and control problem of Jong-span bridge structures become more and more important in engineering with the Widely use of the structures.
大跨径桥梁能否顺利合拢，不留隐患的建成通车值得研究，因此施工控制误差风险性问题突出。
Smooth closure of length bridge structure, without leaving any hidden dangers worthy of study was opened to traffic, so the risk of construction control precision problems is highlight.
大跨径桥梁能否顺利合拢，不留隐患的建成通车值得研究，因此施工控制误差风险性问题突出。
Smooth closure of length bridge structure, without leaving any hidden dangers worthy of study was opened to traffic, so the risk of construction control precision problems is highlight.
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