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- In this paper, adopting the optimization equivalent method, the finite element model of transmission tower structure with bolted looseness-damage is set up according to the damaging characteristic of this tower structure. 摘要本文针对输电塔架结构的损伤特点，采用优化等效的方法，建立了具有螺栓松动损伤的输电塔结构的有限元模型，同时提出了此结构螺栓松动损伤诊断基于应变模态的改进的模糊模式识别方法。
- transmission tower structure 输电塔结构
- A Study for the Limit Strength and Reliability of Transmission Tower Structural System 输电铁塔结构系统极限承载力及可靠性研究
- Updating fuzzy-pattern identification approach to flange-joint bolted looseness damage in transmission tower structures 输电塔法兰联结节点螺栓松动损伤诊断改进的模糊模式识别方法
- transmission tower structures 输电塔结构
- Foreign reporter said that while uses the hand to gesticulate watch tower structure thickness. 外国记者边说边用手比划着岗台的厚度。
- A transmission tower is a form of highly indeterminate space structures used extensively. 输电塔架是一种应用广泛的高次超静定空间结构。
- One of the main methods to solve the above problems is to analyze the dynamic characteristics of the absorber tower structure. 本文结合实际工程(两类典型的吸收塔)研究吸收塔的动力特性问题，主要研究包括：通过对实际工程中常见的吸收塔结构分析，提出吸收塔的分析对象，主要将针对两类典型的吸收塔；
- In September 2003, China and Niue signed an implementation minutes for a television transmission tower project. 2003年9月，中国和纽埃签定电视发射塔项目实施纪要。
- With such model the effect of tower structure,lightning current amplitude,angle of the lightning incidence,as well as the ground angle on the shielding failure rate are analyzed. 应用改进的电气几何模型分析了输电线路杆塔结构、避雷线和导线的布置、雷电流的幅值、地面倾角对绕击率的影响。
- Based on the experiment of Jiangyin long span transmission tower,the tower model and the device for counteractive force are designed and manufactured. 本文通过模型风洞试验和对江阴大跨越输电塔线体系风振控制设计计算,研究了大跨越输电塔线体系动力特性和风振控制。
- The flange joint is a common connection form of high-rising steel tower structure, and bolt looseness of flange is the damage with facilitated occurrence in the structure. 摘要法兰连接是输电线塔等高耸钢结构中常用的一种连接方式，法兰处螺栓的松动是结构容易发生的损伤。
- The nonlinear dynamic stability of transmission tower is a hot topic in theoretic research, but it is exiguous in china. 输电铁塔结构的非线性动力稳定问题,是理论研究领域内一个前沿课题,目前在国内少有研究。
- Nowadays, the incoming transmission lines to TPC's indoor substation come from transmission tower via underground power cable. 摘要:现行台电公司有部分的屋内型变电所外线引入方式是从屋外输电铁塔经地下电缆引入变电所。
- The pumping unit adopts tower structure with great stability and easy to field installation. The pumping unit also adopts chorate bascule and easy to transport. 机架采用塔式结构，稳定性好，便于现场安装；大型机机架则采用活动收缩式结构，便于包装运输。
- According to the agreement, China would build a 72 meters high television transmission tower and supply television transmitter and equipment etc. 根据协定，中国为纽埃修建一座72米高的电视发射塔，并提供电视发射机等设备。
- This paper provides one damage identification method for stiffness mutation position of lattice tower structure based on dynamic response information truncation. 本文提出一种基于动力响应信息截断的格构式塔结构刚度突变处损伤识别方法。
- The results of analysis show that the intrinsicfrequency of tower structure is related to material,geometry dimension, the qualityof blade and engine room and groundsill.2. 分析表明,塔架的固有频率不仅和塔架的材料、几何尺寸有关,还与轮毂和机舱的质量及地基有关。
- Use a large amount of to prop up obliquly in dark layer, play a enclosing the roof beam role on the structure , strengthen the globality of the wooden tower structure. 暗层中用大量斜撑，结构上起圈梁作用，加强木塔结构的整体性。
- Steel tube transmission tower aeolian vibration is lateral motions of some circular tower members induced by Karman vortex under relatively low wind speed. 输电钢管塔的微风振动,是其部分圆截面构件在较低风速时发生的由卡门涡街引起的横风向运动。
