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。
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.
斜拉桥和斜拉索是几何非线性明显的结构。
Cable-stayed bridge and stayed cable are obviously geometrically nonlinear structures.
斜拉桥桥跨结构的重量和桥上活载绝大部分或全部通过斜拉索传递到索塔上。
提出了斜拉桥调索计算的斜拉索虚拟温度荷载法，给出了该方法的计算流程和迭代表达式。
Virtual temperature load method to adjusting the tension force in the cable is proposed, and its computing procedure and iteration expression are given.
以兰州市小西湖黄河大桥为例，说明部分斜拉桥斜拉索在设计上的一些主要特点。
The design characteristics of stay cables of partially cable stayed bridge referring to Xiaoxihu Yellow River Bridge in Lanzhou are presented.
分析表明，对于大跨径斜拉桥，斜拉索上的风荷载计算方法对关键截面的响应影响较大；
The results show that the calculation methods of wind loading on cables have great influences on the response of the key sections of the large-span cable-stayed bridge.
一般来讲，在斜拉桥诸多构件当中，由斜拉索风荷载引起的桥梁特殊位置弯矩响应占着不小的比重。
In general, to the components in the cable-stayed bridge, the load moment of key position caused by the wind load on the cable take a large proportion of total.
研究由弯斜拉桥桥面振动引起的斜拉索参数共振和主共振问题。
The parametric and primary resonances of stay cables excited by the vibration of deck of curved cable-stayed bridge are investigated.
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。
In the design process of large span cable-stayed bridge, the influences of diagonal rope sags on the construction must be taken into account.
斜拉索断裂后必然会对斜拉桥动力性能产生一定的影响，进而影响到桥梁的通载能力。
The breaking of cables is bound to have a certain impact on the dynamic performance of a cable-stayed bridge, and further to affect the carrying capability of the bridge.
斜拉索的索力合理与否直接决定了斜拉桥施工阶段结构的受力安全和成桥后结构内力的合理分布。
Rational cable force can guarantee the structure safety in construction and make the structure's internal force reasonable after construction.
基于青岛丹山水库混凝土斜拉桥，建立了斜拉桥有限元数值分析模型，确定桥梁受损后各子结构权重，选择典型斜拉索，对桥梁结构健康状态进行分析。
In this model, the impact weights of every sub-structure in damaged bridge are calculated, the typical cables are selected, and bridge structure health condition is analyzed.
斜拉桥的优点在于在恒载作用下通过调整斜拉索的索力来改善结构的受力状态。
The advantages of cable-stayed bridge is under the constant load power by adjusting the cables of the cable to improve the structure of the stress state.
厦门同安银湖大桥是国内第一座使用环氧全涂平行钢绞线斜拉索的预应力混凝土部分斜拉桥，墩塔梁固结体系。
Xiamen Yinhu bridge is a partially cable-stayed prestressed concrete bridge, whose pier, tower and beam are consolidated together.
这种方法是以组成整座斜拉桥各部分构件的无应力几何尺寸，如斜拉索的无应力索长、钢梁的无应力线形来主导施工控制。
This method mainly control the unstress geometry size of each components of the whole cable-stayed bridge such as the unstress length of cable, unstress geometry of steel girder.
斜拉索是斜拉桥的主要受力构件之一。
斜拉桥上部结构包括三个主要部分：索塔、主梁和斜拉索。
The superstructures of cable-stayed bridge mainly include three parts:tower, main girder and stay cable.
斜拉索是斜拉桥等索支撑结构中重要的受力构件，随着斜拉桥跨度的逐渐增加，拉索也越来越长，轻而长的拉索的振动控制问题也日益突出。
The cable is a very important member in the cable bridge, and its length is greatly increasing with the span of the bridge. The vibration control of a light and long cable is an attentive focus.
以往的大多数有关斜拉桥斜拉索风雨振动的研究都是在风洞内进行。
The experiment results demonstrate that the new setup is effective for rain-wind induced vibration test of state cables.
斜拉索是斜拉桥的重要组成部分，它承担了斜拉桥在施工阶段和成桥后正常运营阶段的大部分荷载。
The cable is one of the key parts of cable-stayed bridge. It takes on most part of the load in constructing and constructed of cable-stayed bridge.
因此，在斜拉桥的施工、加固过程中合理控制斜拉索的索力可以使整个施工过程安全、快捷和简单的完成。
Thus, a reasonable cable force control could make the process of building or reinforcement faster, simpler and safer.
在疲劳荷载、腐蚀共同作用下，拉索的可靠指标下降速度很快，疲劳极限状态对斜拉索及斜拉桥的安全起控制作用。
Because of the interaction of external loads and corrosion, the reliability index decays very quickly. And fatigue limit-state will take control of the safety of the cables and Bridges.
南洲大桥为弯塔斜拉桥结构。该桥的斜拉索采用钢锚梁锚固系统。
The pylon of Guilin Nanzhou Bridge is curve, and the steel anchor beam system on pylon is complicated.
南洲大桥为弯塔斜拉桥结构。该桥的斜拉索采用钢锚梁锚固系统。
The pylon of Guilin Nanzhou Bridge is curve, and the steel anchor beam system on pylon is complicated.
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