查询词典 guyed

In this dissertation,nonlinear finite element model establishment method of the guyed mast is studied.

本文研究了桅杆结构非线性有限元模型的建立方法。

It is guyed at two levels, 18 meters and 34 meters, leaving 8 meters freestanding atop the tower.

它有两层拉线，分别是18米和34米，靠近顶部8米处不用拉线。

Using guyed tower middle line insulator string as an object, through analyzing of distance between cross arm and boom guy plumb plane, and projecting insulator string length, angle, conductor wind inclined angle, and sag to boom guy plumb plane, middle line insulator string tracking equations can be established.

以拉线塔中线绝缘子串为分析对象，通过对横担、拉线铅锤面间的距离分析，再将绝缘子的串长、角度，导线风偏角、弧垂投影至拉线铅锤面，在拉线铅锤面建立中线绝缘子串的轨迹方程，以带电体与拉线间的距离为限制条件，从不同角度计算出第1、2、3极限风偏角，取其中的最小值为极限风偏角。

In this paper, according to the construction technique features of the main girder of Yamen Bridge, the process of construction with the guyed traveler is established and the issues regarding the selection of the guy construction schemes and de...

根据崖门大桥主梁施工工艺的特点，建立了牵索挂篮施工模拟计算的流程，并对牵索方案的选择以及主梁立模标高的确定等问题进行了探讨。在此基础上，给出了崖门大桥主梁的施工流程及其计算结果。

The new method of the construction with guyed travelers has been applied in bridge construction in recent years.

摘 要：挂篮施工是近几年才应用于桥梁施工工程的一种新方法。

In this thesis, the dynamic load identification of guyed mast method in time domain based on modal analysis is analyzed.

要解决这个问题，必须建立作用在桅杆结构上的动力风荷载的识别方法。

So it is necessary to study fatigue damage and predict the fatigue life of guyed mast in order to provide important basis for guyed mast on evaluation of fatigue residual life and proposition of new method of fatigue damage detection.

因此有必要进行桅杆结构的疲劳损伤分析及疲劳寿命预测，为桅杆结构疲劳剩余寿命评估以及疲劳损伤监测新方法的提出提供重要依据。

Furthermore, the parametric vibration of guyed mast analyses and its control method is proposed. Finally, the wind tunnel experiment of guyed mast was carried out, and the test results were examined. Through the experiment, the dynamic characteristics of guyed mast are well understood, and the proposed method is this paper is verified.

并进一步分析了桅杆结构参数振动的特性及其控制方法，通过对桅杆结构风洞试验的分析，了解了桅杆结构在实际工作状态下的动力特性，并证明目前理论的正确性。

This paper discusses the features of the stress with guyed travelers and guves a simple formula of the elastic deformation with guyed travelers.

本文研究了挂篮受应力的特点，提出了一个推算挂篮弹性变形的简单公式，依此进行浙江新昌沃西大桥施工挂篮的定位测量，较好的保证了大桥的设计线型。

The along-wind vibration and across-wind vibration , icing situations of Guyed Mast are also studied, furthermore, the parametric vibration, the phenomenon of jump and chaos of the Guyed Mast are investigated; also, the wind tunnel experiment of Guyed Mast first made in China is finished and the test result, along with measurement of the real structure, are examined, which provide the reasonable theory and reliable experimental data for the revision of the high-rise structure code.

本文系统地研究了桅杆的顺风、横风以及在裹冰下的风效应，并进一步分析了桅杆的参激振动、跳跃及混沌现象等，完成了国内首次桅杆结构的风洞试验，分析了桅杆实测和试验结果，为今后高耸结构规范的修订提供了的合理的理论依据和可靠试验数据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。