纤绳

桅杆结构纤绳拉耳任意形状孔边裂纹SIF计算

Calculation of Stress Intensity Factor of Crack at Hole for Ear Plate Connecting Cable with Guyed Mast

桅杆模型中纤绳初张力识别

Identification of Cable Initial Tension in the Model of Guyed Masts

三方纤绳桅杆最大位移的作用风向

Wind direction on maximum displacement of three-way guyed mast

桅杆结构中纤绳的共振分析

Resonate analysis of a cable in guyed mast structure

多层纤绳桅杆结构的纤绳工作研究

Research on Cable of Multilayer Cable Guyed Mast

考虑纤绳振动桅杆结构的随机风振分析

Analysis of Guyed Mast under Stochastic Wind Load when Oscillation of Cables is Considered

桅杆结构计算模型的建立要考虑多种因素的影响，纤绳是其中的关键之一。

The cable model is one of the key factors in guyed mast calculation .

纤绳的弦向变形和弦向张力不成正比，具有几何非线性的特点。

The relationship between chordwise deformation and chordwise force of the cable is not linear .

桅杆属空间预应力结构，纤绳的平衡张力对整个结构的振动特性有着显著的影响。

Guyed masts are pre-stressed space structures .

采用多节点索元拟合纤绳空间振动，推导了增量形式的桅杆动力有限元方程。

By employing multi-node cable element , the dynamic increment equation of guyed masts is established .

桅杆结构纤绳与杆身连接拉耳风致疲劳寿命预测

The Wind Induced Fatigue Life 's Prediction of the Ear Plate Connecting the Guy and Mast

往前走，决不能让命运的纤绳栓住你青春的梦想！

Walk on , and never let the rope of fate hold back your dreams of youth .

三方纤绳桅杆在不同方向的风载作用下所产生的风效应是不同的。

The wind effect of three-way guyed mast is different under the action of wind load at different direction .

当考虑纤绳非线性对桅杆结构的影响时，采用高斯截断理论使非线性方程线性化。

The Gauss truncation theory is used to linearize the nonlinear equations when taking account of the non-linearity of guys .

前者首先建立了轴压悬臂柱的平衡微分方程，再联立纤绳方程，求解了柱顶位移和纤绳内力；

For the former , the differential equilibrium equations of cantilever column , which is applied by axial compression , are formed ;

纤绳裹冰后，极易由于负的空气动力阻尼引起结构发生驰振现象，导致桅杆结构的动力失稳甚至倒塌。

The ice coated guys may cause galloping owing to negative air dynamic damping , which can cause the catastrophic failure of structures .

基于修正的拉格朗日坐标描述法，推导了空间纤绳单元的大位移刚度矩阵。

In this paper , the lap displacement stiffness matrix of the space cable is derived bac on the updated Total Lagrangian Formulation .

静力计算主要是针对结构系统在离心惯性力作用下转轴、叶片、纤绳及各联结节点所受到的作用。

Static calculation mainly aims at the reaction on the rotor , laminas , cables and nodes under the action of the centrifugal force .

得到不同方向不同风速作用下纤绳节点板焊缝的应力循环次数和应力幅；

The stress ranges and the corresponding cycle numbers under different wind loads of the welded seam connecting the mast and the joint plate are calculated .

在空气湿度较大的地区，当气温急剧下降时，桅杆结构上的架空线、纤绳和杆身表面都会出现裹冰现象。

In the very moist areas , the aerial cables , guys and masts are very easy to be coated with ice when the temperature descend sharply .

纠正后的三方纤绳桅杆定型设计，经过近30年的国内外大量工程实践，证明是安全、正确的。

A large number of domestic and international projects about 30 years proves that the finalization design of three-way guyed mast with the revised theory is safe and correct .

从而纠正了过去三方纤绳桅杆的最大位移的作用风向，简化了计算程序，保证了桅杆结构的可靠性。

Thus the traditional wind direction of maximum displacement of three-way guyed mast is corrected and the process of calculation and guaranteeing the reliability of mast structure is simplified .

萨维茨基曾得出风向与纤绳平面夹角为60°时的杆身节点位移要比0°时大一倍的结论。

C авицкий drew a conclusion that the joint displacement of angle 60 ° between wind direction and guy wire ′ s plane is one time larger than that of 0 ° .

领头的在纤绳前后跑来跑去，见到有人没有全力以赴，竹板就打在他光着的背上。

The leader goes up and down the line and when he sees one who is not putting all his will into the task he brings down his split bamboo on the naked back .

桅杆的自振频谱密集，纤绳布置的不对称以及纤绳初应力的不同，使得弯扭振动为桅杆的主要振动。

The natural frequencies of the mast is very close ; twisted vibration is the major vibration mode for the asymmetry of the guys layout and the difference of the guys ' initial stress .

最后根据裂纹前缘最深点和表面点的裂纹扩展速率确定桅杆结构纤绳连接拉耳孔边裂纹的扩展特性。

Finally , we can determine the propagation property of the crack at hole of ear plate connecting the masts and the cables according to the propagation velocity of the depth point and the surface point .

桅杆结构是由细长的杆身和沿高度斜向张拉的纤绳组成。桅杆结构由于张拉纤绳的支撑，与直立式塔架结构相比，因具有明显的经济因素而得到工程界的普遍关注。

The guyed mast is consist of a slender tall mast and inclined pretensioned guys , being supported by pretensioned guys , the guyed mast is more economical than general upright mast , so it is attended in the engineering field .