钢管杆塔体系动力特性及风致响应研究
Analysis on Dynamic Characteristics and Wind-induced Responses of Steel Pipe Tower-line System
刘加龙 1陈波 1宋欣欣2
作者信息
- 1. 武汉理工大学土木工程与建筑学院,武汉 430070
- 2. 黄冈师范学院建筑工程学院,黄冈 438000
- 折叠
摘要
开展钢管杆塔体系动力特性及风致响应研究,建立了钢管杆线体系的力学模型,进一步地采用土弹簧考虑桩土效应对上部杆塔的影响,建立塔线-基础体系的力学模型.建立了考虑桩土效应的塔线-基础体系风振响应分析方法.以我国南部沿海地区某实际钢管杆塔线路为工程对象,研究其抗风性能.结果表明:对输电钢管杆线体系进行风振响应分析时不可忽略桩土相互作用的影响.
Abstract
The analysis on dynamic characteristics and wind-induced responses of steel pipe tower-line system was ac-tively conducted.The mechanical model of steel transmission pipe tower-line system was firstly established.Then,the in-fluence of the pile-soil effect on upper pipe tower was considered by using soil springs and the analytical model of the tow-er-line-foundation system wais developed.The analytical method of the tower-line-foundation system under wind excitation was constructed.A real steel pipe tower-line system in southern coastal areas was selected as an example to investigated the structural wind resistant performance.The results show that the pile-soil effect cannot be omitted in the dynamic anal-ysis of steel pipe tower-line system.
关键词
输电钢管塔/桩土作用/风荷载/动力响应Key words
steel pipe tower/pile soil interaction/wind load/dynamic response引用本文复制引用
出版年
2024
NETL
NSTL
万方数据