輸電線路鐵塔長短腿與高低基礎(chǔ)配置的優(yōu)化研究
[Abstract]:In order to respond to the requirements of the state power grid for environmental protection in the mountainous areas, the design institute needs to design the tower's long and short legs and the high and low foundation of the tower foundation, so as to better adapt to the tower terrain. Reduce the large area damage to tower undisturbed soil caused by excavation foundation. However, the same tower terrain can have a variety of long and short legs and high and low base configuration schemes, designers can not be related to the qualitative and quantitative situation, the various schemes are considered. Usually only based on experience and field conditions to give the corresponding configuration. Although they can meet the engineering requirements to a certain extent, the amount of foundation excavation and the economic index of the foundation itself (foundation concrete, foundation steel, foundation retaining wall volume, etc.) corresponding to its configuration scheme may not be optimized. Therefore, the purpose of this study is to find out whether qualitative and quantitative methods (logical formulas) can be used to optimize the mutual configuration of long and short legged iron towers and their high and low foundations used by transmission lines in mountain area projects, so as to achieve the same tower position. The minimum amount of foundation material and the minimum amount of foundation shovel can better protect the geographical environment of the area where the tower is located and to a certain extent control the amount of foundation material and reduce the total investment of the project. The logical formula given in this paper not only meets the requirements of anti-uplift in the design of iron tower foundation, but also meets the relevant design habits of practical engineering. The logic formula studied in this paper is not a usual linear mathematical formula, but a flowchart based on the measurement value of the tower base plane, and through special arrangement and logical calculation. It can input raw data at a time and output multiple results according to different judgment statements for designers to choose. The logic formula given in this paper can be written in the current computer language (C / Java VBA et al.) to form an executable program, which is convenient for designers to use. In this paper, the comparison between the scheme optimization of practical engineering and that of actual project is carried out, although the comparison results do not completely show that the optimization results will play an obvious role in practical engineering. However, by optimizing the configuration of each base tower, the quantity of foundation material and shovel can be effectively controlled and reduced, so as to better protect the environment and promote the healthy development of power grid engineering.
【學(xué)位授予單位】:吉林建筑大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:TU476
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