Finally, by test in bridge, testified that this kind of damper had excellent effect in reducing vibration of cable caused by wind.
最后,经过实桥试验,证明粘性剪切型阻尼器具有优良的减振效果。
The main purpose of this paper is to analyze the effect of the viscous shearing damper used to control the vibration of cables of the cable stayed-bridge.
本论文的主要目的是分析评价影响斜拉索粘性剪切型阻尼器减振效果的各种因素。
The differential equations with two degree have to be solved for designing viscous shear damper that is used to reduce the vibration of cables of cable stayed bridge.
斜拉索的粘性剪切型阻尼器减振设计需要求解二阶微分方程组,计算工作量很大。
The main purpose of this paper is to analyze the factors which affect the effect of the viscous shearing damper used to control the vibration of cables of the cable stayed-bridge.
本论文的主要目的是分析评价影响斜拉索粘性剪切型阻尼器减振效果的各种因素。
The action between rivulet and cable surface is one of the difficulties in establishing theoretical models of rain-wind induced vibration.
如何假定水线与拉索表面之间的作用力是建立风雨激振理论模型的难点之一。
The experiments include modal tests, vibration tests by knocking, shaking table tests by inputting white-noises and seismic waves, and tests of cable forces and vibration frequencies.
进行了模态实验、敲击激振实验、白噪声和地震波输入的振动台实验,以及缆索拉力和振动频率的测试。
The research on the large-amplitude vibration suppression of stayed cable under wind excited by controlling support axial motion was carried out in this paper.
主要研究通过对拉索支座的轴向运动进行控制以减小风荷载作用下拉索振动。
A dynamic model of overhead cable for ropeway is developed together with differential equations of its vibration and initial and boundary conditions.
本文首先建立了架空索道的动力学模型,并建立了它的振动微分方程、初始条件及边界条件。
This paper has worked out the vibration equation of cable truss by treating it as a discrete system and solved the vibration frequency and the displacement responses under stochastic wind loading.
本文采用离散理论求得索桁架的振动方程,进一步可求得在随机风荷载作用下索桁架结构的振动频率及其位移响应。
Measurement of super long stayed cable tension using vibration method is investigated.
研究超长斜拉索张力的振动测试方法。
To restrain the wind-induced vibration of its feed cabin and the pseudo-drag of its cable, we propose a new structural scheme for adding a fluid vessel to the moving platform of the robot.
为了抑制悬索虚牵和馈源舱的风致振动,提出了在此机器人的动平台上增加盛液容器的结构新方案。
The large amplitude cable vibration often is induced due to low damping and small stiffness of stay cable.
斜拉桥拉索固有阻尼低、刚度小,容易引起大幅振动。
The test equipment and experiment method of vibration characteristics of VIM(Vibration Isolation Module) of the underwater cable are introduced.
介绍了水下拖缆隔振段隔振性能的测试装置和试验方法;
Effect of the device was implemented through the finite element method, comparison of the cable with and without the mitigation device was made to investigate the vibration characters of the cable.
其次用有限元的方法实现了限位装置的作用,分析比较了安装限位装置前后拉索的振动特性变化。
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.
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。
To solve the problems of vibration and fatigue of cable, the research on measurements to reduce the vibration is taken, and the suitable device is selected.
针对斜拉索的振动和疲劳,研究了斜拉索的减振措施,选择了合适的减振装置。
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 results show that modal damping ratio of cable system with MR damper is more increased, it has well effect of mitigating vibration.
试验结果显示系统的模态阻尼比在安装磁流变阻尼器后有大幅增长,具有良好的减振效果。
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.
在拉索上附加耗能减振阻尼器是斜拉索振动控制的主要手段之一,而拉索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。
Rain wind induced cable vibration in cable stayed Bridges is presently a problem of great concern in communities of bridge engineering and wind engineering.
拉索风雨激振是当前桥梁工程和风工程界非常关注的研究课题。
Based by singularity of vibration signal of damage position on cable-stayed bridge as vibrating, we can analyze vibration signal when cable-stayed bridge is damaged to estimate structure damage.
根据斜拉桥结构在振动时受损部位的振动信号的奇异性,利用小波奇异性检测理论分析斜拉桥结构在受损时的振动信号,判断结构损伤情况。
As an important component of long span cable-stayed structure, the vibration behavior of inclined cables will affect the mechanical characteristics of the overall structure.
斜拉索作为大跨斜拉结构重要组成构件,其复杂振动特性会影响着整体结构的受力性能。
Results showed that the device could effectively mitigate the vibration of a stayed-cable induced by rain and wind.
结果显示,限位装置能够有效的抑制拉索发生大幅风雨激振。
With the fixed stiffness, sag, temperature and so on, survey precision of the tension force of the cable is determined by the sample rate and the sample length of the vibration signal.
在刚度、垂度及温度等边界条件一定的条件下,拉索索力测量精度主要由振动信号数据采集的频率和采样时间决定。
A dynamic model of overhead cable for ropeway is developed, i. e. some differential equations of its vibration with initial and boundary conditions proved.
建立了架空索道在起动和制动时缆索的纵向运动微分方程,对其进行了数值求解。
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。
In the paper, a method for spatial vibration analysis of the system of train and long span steel trussed cable-stayed bridge is presented.
本文提出了一种分析列车、大跨度钢桁梁斜拉桥系统空间振动的方法。
The parametric and primary resonances of stay cables excited by the vibration of deck of curved cable-stayed bridge are investigated.
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。
This paper introduces the excellent performance of wire cable vibration isolator by analyzing its mechanical features, and studies its application in the fields of transport packaging.
通过对钢丝绳隔振器的力学特性的分析,阐述了其优越性,并对其在运输包装中的应用进行了研究,旨在加快钢丝绳隔振器在这一领域的应用。
The results show that the dynamic impact loads on broken wire cases will magnify response of the conductors and tower. Wind loads will aggravate the vibration caused by the sudden cable rupture.
分析表明,断线的冲击荷载将对导线和输电塔均产生较大的动力放大效应,风荷载将加剧断线引起的振动。
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