沙漠地区750kV输电线路杆塔基础的优化选型  

Optimal Type Selection of Tower Foundation for 750 kV Transmission Lines in Desert Areas

作　　者：徐明鸣 XU Mingming(China Energy Engineering Group Hunan Electric Power Design Institute Co.,Ltd.,Changsha 410007,China)

机构地区：[1]中国能源建设集团湖南省电力设计院有限公司,湖南长沙410007

出　　处：《电工技术》2024年第11期110-113,共4页Electric Engineering

摘　　要：根据沙漠地质条件复杂性及750 kV输电线路基础受力特点,分析沙漠地区合理的基础型式。通过抗拔和抗倾覆稳定的基础计算方法,提出了上拔临界深度和上拔角的建议取值。同时,对风积沙地输电线路主要基础型式进行技术经济比较,为沙漠地区750 kV输电线路最优基础方案提供参考。This paper analyzes appropriate foundation type suitable for transmission lines in desert areas according to the complexity of desert geological conditions and the stress characteristics of 750 kV transmission line foundation.By using foundation calculation methods of uplift resistance and overturning stability,it proposes the recommended values of uplift critical depth and uplift angle.Furthermore,it performs a technical and economic comparison among main foundation types with respect to application in aeolian sandy land.The paper can provide useful information for determining the optimal foundation scheme of 750 kV transmission lines in desert area.

关 键 词：风积沙 基础选型 上拔角 经济性 

分 类 号：TM75[电气工程—电力系统及自动化]