5MW全钢和钢-混凝土风力发电塔在不同地震作用下数值分析  

Numerical analysis of 5 MW all steel and steel-concrete wind power towers under different earthquake conditions

作　　者：袁煜峰 Yuan Yufeng(Urban Construction Department,Beijing University of Technology,Beijing 100124,China)

机构地区：[1]北京工业大学城市建设学部,北京100124

出　　处：《山西建筑》2025年第3期43-49,共7页Shanxi Architecture

基　　金：国家自然科学基金(项目编号:51778023)。

摘　　要：为了探究多种风力发电结构在不同地震动类型作用下的抗震性能,利用ABAQUS软件建立了传统的5 MW风力发电结构和新型的钢-混凝土组合风力发电结构的三维有限元模型,采用非线性时程分析,研究并比较了它们在具有前方向性效应的近场脉冲地震动、具有滑冲效应的近场脉冲地震动、近场无脉冲地震动和远场地震动4条同源地震动作用下动力响应的差异。结果表明,风力发电结构受地震动类型的影响很大。此外,在相同地震作用下,不同的风力发电结构的地震响应差异很大。To investigate the seismic performance of various wind turbine structures under different types of ground mo-tions,this paper utilized the ABAQUS software to establish three-dimensional finite element models of a conventional 5 MW wind turbine structure and steel-concrete hybrid wind turbines.Nonlinear time history analysis is conducted to in-vestigate and compare their dynamic responses under four types of ground motion recorded in the same earthquake,namely a near-field pulse-like ground motion with the forward-directivity effect,a near-field pulse-like ground motion with the fling-step effect,a near-field non-pulse ground motion,and a far-field ground motion.The results indicate that the ground motion types significantly impact the structural response of wind turbine structures.Furthermore,under the same ground motion,different wind turbine structures exhibit significant variations in seismic response.

关 键 词：风力发电结构 钢-混凝土组合塔 地震响应 时程分析 地震动类型 

分 类 号：TU366.2[建筑科学—结构工程]