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.
采用多目标、多约束的优化方法,以悬臂施工主梁的斜拉桥为例,建立了施工阶段的优化模型,并给出算例。
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.
本文还针对预应力混凝土连续刚构桥和斜拉桥,分析计算了其在施工和运营阶段,混凝士徐变对桥梁结构的影响。
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.
箱梁的预制是钢筋混凝土斜拉桥施工中的重要环节,它直接影响到主桥施工的吊装进度和拼装精度。
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.
本文的研究对象是混凝土斜拉桥的施工控制系统,主要工作是施工控制的理论与核心技术的研究以及施工控制系统软件的开发。
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.
最后介绍了斜拉桥的施工组织控制,将桥的控制程序、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。
The importance of cable force adjustment for cable-stayed bridge construction control is discussed.
论述了索力调整在斜拉桥施工控制中的重要性。
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.
采用整体竖转的施工方法进行斜拉索桥倾斜索塔的吊装,可降低索塔结构的高空拼装工作难度。
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.
独塔不对称斜拉桥由于其不对称性,使得其合理成桥状态和合理施工状态的确定显得更为复杂。
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的几何非线性模型。
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神经网络的斜拉桥施工控制进行了探讨。
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.
桥梁施工控制是桥梁建设的安全保证,施工过程中进行索力监控在保证斜拉桥的线形和结构的受力性能中的地位越来越重要。
The structural analysis for perfectly finished state and reasonable construction state of cable-stayed bridge is the focal and key point of the design.
斜拉桥理想成桥状态与合理施工状态的结构分析是其设计的重点和难点。
The control of girder geometry and internal forces is very important in the construction of pre-stressed concrete cable-stayed Bridges.
在预应力混凝土斜拉桥的施工过程中对主梁线形与结构内力的控制非常重要。
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.
本文主要介绍该斜拉桥的工程概况、结构设计以及施工控制等主要参数和关键技术。
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双悬臂状态抖振安全可靠度分析提供了依据。
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.
以营口辽河公路大桥为背景,研究斜拉桥在施工阶段及成桥状态的抗风性能。
In the design process of large span cable-stayed bridge, the influences of diagonal rope sags on the construction must be taken into account.
大跨度斜拉桥在设计过程中必须考虑斜拉索垂度对结构的影响。
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.
介绍沈阳公和斜拉桥主塔承台冬季施工的要点和实施中的主要技术措施。
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.
而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的关键问题进行分析,为同类桥梁的设计和施工提供参考。
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.
索力是斜拉桥设计和施工的重要依据,根据测得的固有频率估算索力的频率法在桥梁工程中广泛应用。
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单索面牵索挂篮设计原理、构造特点、关键工艺。
Nanjing Third Yangtze River bridge is the super-huge cable-stayed bridge in China which first applied in the construction of steel-pylon.
南京长江三桥为我国首座采用钢索塔的特大型斜拉桥。
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.
结构在施工期的平均风险远远高于使用期,开展大跨度斜拉桥施工期间的风险分析研究是十分必要的。
It introduced the design of cable stayed bridge of Wuhekou and key point of construction, it also proposed the quality control measure.
介绍了五河口大桥钢铰线斜拉索的设计与施工要点,提出钢铰线斜拉索施工的质量控制措施。
Construction procedure calculations are important parts of the design of cable-stayed Bridges.
斜拉桥的施工过程的受力计算是斜拉桥设计的重要组成部分。
Climbing-frame is often used in the high-tower construction of cable-stayed or cable-suspended bridge, but seldom used in common pier construction.
爬架施工一般应用于斜拉桥或悬索桥的高塔塔柱施工,而很少用于一般墩身施工。
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。
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.
这是首次使用移动模架在建设共和斜拉桥主梁,这是一个单一的住宿表面,单塔斜拉桥的桥。
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.
这是首次使用移动模架在建设共和斜拉桥主梁,这是一个单一的住宿表面,单塔斜拉桥的桥。
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