• Based on the cable-stayed bridge using method of cantilever, the paper establishes the optimization model of construction phase with multi-objective and multi-constraint and gives the example.

    采用目标、多约束优化方法悬臂施工主梁的斜拉桥为例,建立了施工阶段的优化模型给出算例。

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  • The influence of concrete creep on bridge structure under the construction and operation stage for prestressed concrete continuous rigid frame bridge and cable-stayed bridge is also analyzed.

    本文针对预应力混凝土连续刚构桥斜拉桥分析计算了施工运营阶段,混凝士徐变桥梁结构影响

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  • To prefabricate box-girder is important in concrete cable-stayed bridge construction, it affects directly the main bridge construction of assembly progress and packing accuracy.

    箱梁预制钢筋混凝土斜拉桥施工中的重要环节,直接影响到主桥施工的吊装进度拼装精度。

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  • The thesis deals with a theory and some research on key technologies of construction control of PC cable-stayed bridges. A software for general use is also developed.

    本文研究对象混凝土斜拉桥施工控制系统,主要工作是施工控制理论核心技术的研究以及施工控制系统软件开发

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  • Finally, the construction management control of the cable-stayed bridge, such as control program, control aims, error control and the usage of monitor machine are introduced.

    最后介绍斜拉桥施工组织控制,将控制程序、控制目标误差限制以及施工中采用的几种监测仪器的使用做了分析。

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  • The importance of cable force adjustment for cable-stayed bridge construction control is discussed.

    论述了索力调整斜拉桥施工控制中的重要性

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  • In construction of cable tower of cable-stayed bridge, whole vertical-rotation lifting method can reduce difficulty in assembly of cable tower structure at high altitude.

    采用整体竖转施工方法进行斜拉索桥倾斜的吊装,降低索塔结构高空拼装工作难度

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  • Being asymmetric, it's more complex to determine the reasonable finished state and the reasonable construction state of the asymmetric cable-stayed bridge with single tower.

    对称斜拉桥由于对称性,使得合理成桥状态合理施工状态确定显得更为复杂

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  • The paper deduces tangent stiffness matrix and set up geometrical nonlinear model of construction control calculation of the cable-stayed bridge.

    推演了索单元的切线刚度矩阵建立了斜拉桥施工控制计算几何非线性模型

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  • Finally, the construction control of cable-stayed bridge based on BP neural networks is discussed and analyzed.

    最后本文对基于BP神经网络斜拉桥施工控制进行了探讨

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  • It is more and more important that the cable force monitoring for alignment and mechanical performance of cable-stayed bridge in the construction of large-span bridge.

    桥梁施工控制桥梁建设安全保证,施工过程进行索力监控保证斜拉桥线形结构的受力性能中的地位越来越重要

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  • The structural analysis for perfectly finished state and reasonable construction state of cable-stayed bridge is the focal and key point of the design.

    斜拉桥理想成状态合理施工状态结构分析设计重点难点

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  • The control of girder geometry and internal forces is very important in the construction of pre-stressed concrete cable-stayed Bridges.

    预应力混凝土斜拉桥施工过程主梁线形结构内力控制非常重要

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  • The paper mainly introduces the main parameters such as general situation, structure design and construction control etc. as well as the key technology of the cable stayed bridge project.

    本文主要介绍斜拉桥工程概况结构设计以及施工控制主要参数关键技术

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  • These probabilistic characteristics provide the basis for the safe reliability analysis of cable stayed buffeting responses during the longest double cantilever construction stage.

    为斜拉桥施工阶段最大悬臂状态安全可靠度分析提供依据

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  • Taking Liaohe River Highway bridge in Yingkou as the research object, the wind resistance performance of cable-stayed Bridges under construction and at the completion state was analyzed.

    营口辽河公路大桥背景,研究斜拉桥施工阶段状态的抗性能

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  • In the design process of large span cable-stayed bridge, the influences of diagonal rope sags on the construction must be taken into account.

    跨度斜拉桥设计过程必须考虑斜拉垂度结构影响

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  • This paper presents the construction highlights and principal technical measures adopted in the construction of pylon pier bases of Gonghe Cable Stayed Bridge in Shenyang in winter season.

    介绍沈阳斜拉桥主塔承台冬季施工要点和实施中的主要技术措施

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  • In this paper, some key problems of applying incremental launching in cable-stayed bridge with steel box girder are studied and discussed, for the design and construction of bridges alike.

    钢箱梁顶推施工近期应用日益广泛,但是理论研究却滞后于工程设计实际,因此,本文选择钢箱梁斜拉桥顶推施工关键问题进行分析,同类桥梁设计施工提供参考。

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  • Cable force is important in cable-stayed bridge 's design and construction. The method of measuring frequency of its own to estimate cable force is widely used in bridge engineering.

    索力斜拉桥设计施工重要依据,根据测得固有频率估算索力的频率桥梁工程中广泛应用。

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  • This paper presents the design principles, structural features and key construction technology of the new type of form traveler guyed by single cable plane for Xichang Cable-Stayed Bridge in Tonghua.

    介绍通化西昌斜拉桥索挂篮设计原理构造特点关键工艺

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  • Nanjing Third Yangtze River bridge is the super-huge cable-stayed bridge in China which first applied in the construction of steel-pylon.

    南京长江我国首座采用钢索塔特大型斜拉桥

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  • The average risk of structure in construction period is far higher than one in use period. To make the risk analysis study is very necessary in the construction of large-span cable-stayed bridge.

    结构施工期平均风险远远高于使用期,开展大跨度斜拉桥施工期间风险分析研究十分必要的。

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  • It introduced the design of cable stayed bridge of Wuhekou and key point of construction, it also proposed the quality control measure.

    介绍了五河口大桥铰线斜拉设计施工要点提出钢铰线斜拉索施工的质量控制措施。

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  • Construction procedure calculations are important parts of the design of cable-stayed Bridges.

    斜拉桥施工过程受力计算斜拉桥设计重要组成部分

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  • Climbing-frame is often used in the high-tower construction of cable-stayed or cable-suspended bridge, but seldom used in common pier construction.

    爬架施工一般应用斜拉桥悬索桥高塔塔柱施工很少用于一般墩身施工。

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  • 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.

    混凝土斜拉桥耐久性造价维护费用相对较低等优势已成为桥梁结构极具有竞争力桥型。

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  • It is the first time for movable scaffolding equipment to be used in the construction of main girder of Gonghe cable-stayed bridge which is a single stay surface, single tower cable-stayed bridge.

    首次使用移动模建设共和斜拉桥主梁一个单一住宿表面单塔斜拉桥的

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  • It is the first time for movable scaffolding equipment to be used in the construction of main girder of Gonghe cable-stayed bridge which is a single stay surface, single tower cable-stayed bridge.

    首次使用移动模建设共和斜拉桥主梁一个单一住宿表面单塔斜拉桥的

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