• Experimental study on movement of water rivulet on cable surface in rain-wind induced vibration of stay-cables;

    斜拉桥拉索风雨振动二次轴向流产生及作用机理进行分析。

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  • The tangential movement of water rivulet has significant effects on the rain-wind induced vibration of stay-cables.

    各种振动情况,尤以风雨激振的起振条件容易满足,且振幅极大,对桥梁的危害最为严重。

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  • Stay cables are susceptible to vibration under wind and traffic loading due to their large flexibility, relatively small mass and very low inherent damping.

    由于拉具有极大的柔性,相对较小质量以及非常低的阻尼,风荷载交通荷载引起振动十分敏感。

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  • 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.

    斜拉桥由于因素影响,致使部分斜拉桥运营段时间需要全部部分更换斜拉索。

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  • The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.

    研究桥面振动引起斜拉索参数共振亚谐波共振问题。

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  • The large amplitude vibration character of stay cables is discussed via calculation of concrete examples.

    通过实例计算斜拉大幅振动特性进行了讨论分析。

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  • A new method of inspecting and maintaining high altitude stay cables with a cable robot is presented in this paper, to meet urgent needs of its automation.

    针对现代斜拉桥安全和美观的越来越要求提出大倾斜度缆索机器人进行高空缆索检测维护方法

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  • Dampers have been used for vibration mitigation of stay cables; however, there are few literatures on the test of full-scale stay cable attached with nonlinear viscous damper.

    附加耗能减振阻尼器斜拉索振动控制主要手段之一,在附加非线性粘性阻尼器后的阻尼特性尚未见试验研究报道。

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  • The design characteristics of stay cables of partially cable stayed bridge referring to Xiaoxihu Yellow River Bridge in Lanzhou are presented.

    兰州市小西湖黄河大桥为例,说明部分斜拉桥斜拉索设计一些主要特点

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  • On-site observation of wind-rain induced vibration of stay cables and its control were studied.

    介绍斜拉索风雨现场观测振动控制研究的情况。

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  • Construction supervision and control factors of outside prestressed stay cables are introduced.

    介绍体外预应力式斜拉施工监理过程控制要点。

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  • The parametric and primary resonances of stay cables excited by the vibration of deck of curved cable-stayed bridge are investigated.

    研究斜拉桥桥面振动引起斜拉索参数共振共振问题。

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  • With many advantages, the vacuum aided grouting process is a popular grouting process for prestressed stay cables in the present world.

    真空辅助工艺目前世界上流行的预应力钢束压浆工艺。

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  • The effect of non-linearity of the bearings and pier columns, and of geometric non-linearity of the stay cables upon the aseismatic performance of the bridge structure is also considered in the study.

    同时考虑支座非线性、拉几何非线性的非线性等结构抗震性能影响

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  • The results indicated that the robot could climb and paint all stay cables on the cable-stayed bridge efficiently and reliably.

    机器人下降速度较上升时均匀性好,斜拉桥缆索安全高效爬升。

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  • The vibration-absorption mechanism of viscous shearing damper of stay cables and the optimal damping constant of cable viscous damper are analyzed in the paper.

    介绍了斜拉粘性剪切型阻尼减振器减振原理拉索阻尼器的最佳阻尼系数进行了分析;仿真计算表明,阻尼器具有良好的减振效果。

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  • Stay cables of Zhangzhou War Preparation Bridge use cable system of OVM200 parallel steel wire rope.

    漳州战备大桥斜拉采用OVM2 0 0型平行钢绞线拉索体系

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  • The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.

    研究了一类滞后非线性系统多频激励共振亚谐共振。

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  • Therefore, how to mitigate the vibration of stay cables is of great importantance in practice.

    因此如何抑制斜拉振动一个具有重要工程意义研究课题。

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  • Therefore, how to mitigate the vibration of stay cables is of great importantance in practice.

    因此如何抑制斜拉振动一个具有重要工程意义研究课题。

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