螺旋锚基础在高原地区750kV输电线路应用的局限性  

Applicative Limitation of Helical Anchor Foundation in Plateau Area 750 kV Transmission Lines

作　　者：殷黎明 王路路 YIN Liming;WANG Lulu(Henan Electric Power Survey&Design Institute,Zhengzhou 450007,China)

机构地区：[1]中国电建集团河南省电力勘测设计院有限公司,河南郑州450007

出　　处：《电工技术》2024年第13期68-70,共3页Electric Engineering

摘　　要：螺旋锚基础因便于机械化施工、余土量少等优点,广泛应用于平原地区河网、泥沼、沿海滩涂等软弱性地质条件的低电压等级输电线路。然而对于高原地区土质较硬或含碎石土层等地质条件下螺旋锚基础是否适用,尚没有明确的结论。结合高原地区750kV输电线路工程的基础设计情况,从螺旋锚基础的加工工艺、施工机械选择、与常规基础经济性比较等方面入手,讨论分析了高原地区高电压等级输电线路中螺旋锚基础的适用局限性。Helical anchor foundation is widely used in low-voltage transmission lines with soft geological conditions,such as river network in plain area,mud marsh,coastal beach,etc.,however,there is no definite conclusion on the applicability of helical anchor foundation under the geological conditions such as hard soil or gravel-bearing soil in the plateau area.Based on the foundation design of 750 kV transmission line project in plateau area,starting with the processing technology of helical anchor foundation,selection of construction machinery,and comparison with conventional foundation in economy,this paper discusses and analyzes the limitation of application of helical anchor foundation for high voltage grade transmission lines in plateau area.

关 键 词：螺旋锚基础 局限性 碎石地质条件 

分 类 号：TM726[电气工程—电力系统及自动化]