The primary damage identification based on in-situ test results constitutes an important process for the safety assessment of in-service cable-stayed bridges.
为了对运营中的斜拉桥进行安全性评估,首先需要根据实桥测试结果对结构损伤进行初步识别。
The ultimate load of cable-stayed bridges is determined by the failure path of structure under the dead load.
在自重荷载作用下,斜拉桥极限承载力与结构的失效路径有关;
There is no exact answer in bridge design regulation for efficient width of main girder for cable stayed bridges.
斜拉桥的桥面结构有效宽度在桥梁设计规范中没有明确给出。
This paper develops a practical and user-friendly approach for real-time service load condition assessment of cable-stayed bridges.
以宁波招宝山大桥为例,介绍了一种新的斜拉桥后期荷载受力状态评估方法。
There are few RC single-tower cable-stayed bridges with connected tower and separated decks in internal and international bridge engineering.
混凝土独塔斜拉桥采用联塔分幅的结构型式在国内外均属少见。
This paper is concentrated on the space geometric non-linear static analysis and vibration analysis of the long span plate-truss composite cable-stayed bridges.
本文是针对大跨径板桁结合斜拉桥的空间几何非线性静力分析及结构的动力分析两个方面而展开研究工作的。
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。
The system reliability analysis of long-span cable-stayed bridges is difficult because the failure of the structural systems may be happened in many different failure modes.
大跨度斜拉桥由于存在众多不同的失效模式,导致其体系可靠度分析比较困难。
The incremental motion equations of a M DOF structural system excitated by seismic waves are formulated based on FEM, and a seismic response model for cable stayed bridges are proposed.
基于有限单元法,推导出多自由度结构体系在地震作用下的增量形式的运动方程,建立了大跨度斜拉桥的地震激励模型。
Long span cable-stayed bridges generally are the key structures of transportation system. Great direct and indirect economic loss will be caused if these bridges getdamaged in an earthquake.
大跨度斜拉桥一般都是交通运输的枢纽工程,一旦在地震中遭到破坏,将会造成巨大的直接和间接经济损失。
The results show that the accuracy of analyzing geometrical nonlinearity of long-span cable-stayed bridges by the presented procedure is validated. The initial cable forces can be well determined.
建立的方法对大跨度斜拉桥进行几何非线性分析具有较高的计算精度.同时能够合理确定斜拉桥初始索力。
The dynamic time-history analysis methodology is discussed, including the multiple-support seismic input problem for the three-dimensional linear earthquake-response analysis of cable-stayed bridges.
讨论了斜拉桥的地震动力分析方法,包括三维斜拉桥线性地震分析的多点激励地震输入问题。
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。
At present, the widely used box section beam, rigid frame, cable-stayed Bridges and other structures.
目前,箱型截面广泛应用于连续梁、连续刚构、斜拉桥等桥梁结构中。
Finally, the prospect of composite materials utilized in great span cable stayed Bridges is predicted.
最后,本文还展望了复合材料在大跨度斜拉桥中的应用前景。
During the past decades, cable-stayed Bridges have found wide application, especially in western Europe.
在过去数十年中斜拉桥得到广泛的应用,特别是在欧洲。
This paper enumerates the present situation of over 30 cable-stayed Bridges which have been built in the world.
本文列出了世界上已建成的30多座斜拉桥的情况。
Win and torsion resistances are two key points in the structural analysis of large -span monocable stayed Bridges.
抗风与抗扭是大跨度单索面斜拉桥结构分析中的两大关键问题。
Movable scaffolding equipment mainly used in continuous beam Bridges is initially applied in Gonghe cable-stayed Bridges.
滑动模架法主要应用在连续梁桥主梁施工中,而在斜拉桥中的首次应用则是在公和斜拉桥中。
Up to date, when designing the reasonable cable forces of cable-stayed Bridges, the special Bridges design process is adopted.
目前,在进行斜拉桥合理成桥状态设计时,通常都是采用专用桥梁设计程序。
Numerical analysis draws the general conclusions on the parametric sensitivity about dynamic characteristics of cable-stayed Bridges.
通过对一斜拉桥的数值分析,得到了关于斜拉桥动力参数敏感性的一般结论。
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 results show that the variation of the stochastic variables has a different influence to the structural responses of cable-stayed Bridges.
算例研究表明,各种随机变量的变异对斜拉桥结构响应影响规律不同。
Affected by various factors, the whole or part of the stay cables of some cable-stayed Bridges have to be replaced after a period of operation.
斜拉桥由于多因素的影响,致使部分斜拉桥运营一段时间后需要全部或部分更换斜拉索。
Calculation essence of reasonable cable force is equivalent to optimization calculation on force status of cable-stayed Bridges under dead weight.
合理成桥索力计算实质是斜拉桥恒载受力状态的优化计算。
Experimental vibration measurement is one of the most widely used methods for tension evaluation and condition assessment of cable-stayed Bridges.
振动测试法是斜拉桥索力测定、监测和状态评估中应用最广泛的一种方法。
The cable-girder anchorage zones of cable-stayed Bridges, which bear giant cable forces and have complicated structure, are keys to structure design.
斜拉桥索梁锚固结构区域受力集中、构造复杂,是控制设计的关键部位。
In cable-stayed Bridges the force and structure in pylon-cable anchorage area are more complex. The area belongs to a key part in a cable-stayed bridge.
斜拉桥中塔索锚固区受力和结构都比较复杂,属于斜拉桥中的关键部位。
In cable-stayed Bridges the force and structure in pylon-cable anchorage area are more complex. The area belongs to a key part in a cable-stayed bridge.
斜拉桥中塔索锚固区受力和结构都比较复杂,属于斜拉桥中的关键部位。
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