stay cables 中文意思是什麼
stay cables
解釋
斜拉索-
A practical method of identifying the fundamental frequencies of stay cables
識別橋梁拉索基頻的一種實用方法 -
Construction control and monitor of replacing works of stay cables for liuzhou huxi bridge
柳州壺西大橋斜拉索更換工程施工控制與監測 -
Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading, or wind incorporated rain excitation, or deck motion due to high flexibility, relatively small mass and very low inherent damping, such as vortex shedding, wake galloping, parameter resonance and wind - rain induced vibration. large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic, and has been considered today as one of the most critical problems for this type of bridge
大跨度斜拉橋拉索具有較小的質量和極低的阻尼，在風、風雨及橋面振動等外部激勵下極易發生振動，如渦激共振、尾流馳振、參數共振和風雨振等，拉索的大幅振動對拉索的使用壽命和橋梁安全運營構成極大威脅，它已成為大跨度斜拉橋急需解決的關鍵問題之一。 -
Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables
針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。 -
However, it is always the non - geometrical analysis due to the initial tension of the stay cables
然而，由於拉索初拉力的存在，斜拉橋的靜力分析自始至終都是幾何非線性分析。 -
A field ambient vibration test of the qingzhou mingjiang cable - stayed bridge was carried out, and all the 168 stay cables " tensions are obtained by the proposed frequency differences method
對福州青洲閩江斜拉橋拉索進行了環境振動測試與分析，使用頻差法得到了全部斜拉索的索力。 -
Number of stay cables
鋼線數量 -
This paper summarizes the research situation of the static and dynamic characterizes of stay - cables, establishes the finite element model of stay - cables based on matlab, and analyzes on the model with actual example
綜述了斜拉索靜動力特性的研究情況，建立了基於matlab的斜拉索有限元模型，並通過實例對模型進行了分析。 -
Stay cable, which is one of the main components in cable - stayed bridges, is susceptible to environmental and traffic excitations because of its flexible, low damping, small weight, then the significant vibration is induced. the accurate analysis of both the static and dynamic is very import for the design of cables in cable - stayed bridges
斜拉索是斜拉橋的主要受力構件之一，由於其大柔度、小質量和小阻尼等特點，極易發生振動，準確分析斜拉索的靜、動力特性並進行振動控制是斜拉橋設計的重要工作之一。 -
The coupling nonlinear vibration equations involving both the first in - plane and the first out - of - plane modes is generated by using the galerkin method. according to the derived equations, the internal resonance subjected to the in - plane excitation is analyzed by the multiple scale method. the results reveal that the internal resonance of the stay cables posses the characteristics of multiple values and divergence
通過galerkin方法，得到了一個反映面內一階及面外一階模態的耦合非線性動力系統，用多尺度法對面內激勵下的內共振進行了分析，以實際橋梁拉索為例，得出了拉索模態耦合非線性振動具有多值、分叉等特點，並分析了拉索阻尼對模態耦合內共振的影響。
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