Abstract
In this paper, the structural optimization of high-rise guyed tower is carried out for the guyed wire and tower column schemes. The schemes are compared from the four guyed wires and eight guyed wires, the width of the tower column, the uniform cross-section tower column and the variable cross-section tower column, etc. And the single-column tower with eight guyed wires and variable cross-section is recommended for the high-rise guyed tower. Through the full-scale test study of the high-rise guyed tower, the safety of the high-rise guyed tower structural optimization and the feasibility of engineering application are verified. According to the technical and economic analysis of traditional self-supporting towers and high-rise guyed towers recommended in this paper, it can be seen that the weight and total cost of the high-rise guyed towers are 75.3% and 88.5% of the traditional self-supporting towers respectively, demonstrating the technical and economic advantages of the high-rise guyed towers. The advantages and disadvantages of high-rise guyed towers and self-supporting towers are summarized for reference in engineering design.
Highlights
The guyed tower has the advantages of clear structural force and economical tower weight
Based on the structural optimization of this paper, a UHV DC transmission line project is selected to carry out a fullscale test of high-rise guyed towers, so as to verify the safety of the high-rise guyed tower structure optimization and the feasibility of engineering application
The schemes are compared from the four guyed wires and eight guyed wires, the width of the tower column, the uniform cross-section tower column and the variable cross-section tower column, etc
Summary
The guyed tower has the advantages of clear structural force and economical tower weight. Guyed towers have been used at the beginning of the construction of high-voltage transmission line projects in China and other countries. Guyed towers have been widely used in 330kV, 500kV and 750kV transmission line projects in China [1]. With the increasing load and voltage level of towers, the demand for high-rise towers and economic efficiency increases . It is necessary to carry out relevant research on the design and application of high-rise guyed towers, so as to broaden the application scope of guyed towers, and improve the design level of guyed towers in China. This article mainly focuses on the research on the structural layout and optimization, design parameters, and full-scale test of high-rise guyed towers. Considering the processing, transportation, construction and other indirect benefits, its comprehensive benefits will be very significant
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