东南大学学报（自然科学版）2026，Vol.56Issue(10)：1438-1446,9.DOI:10.3969/j.issn.1001-0505.2026.10.008
高层建筑2类三维切角气动优化风洞试验研究
Wind tunnel test on aerodynamic optimization of two types of three-dimensional corner-cut configurations for high-rise buildings
摘要
Abstract
Aerodynamic shape optimization holds significant engineering importance for wind loads and wind-induced responses in high-rise buildings,where corner configuration morphologies are key factors influ-encing aerodynamic performance.Addressing novel chamfered morphologies in super high-rise buildings not yet covered by current codes,this paper focused on two types of three-dimensional corner optimization con-figurations—diamond chamfer and layered trapezoidal chamfer.Based on a square cross-section super high-rise building model with an aspect ratio of 5∶1,through high-frequency force balance wind tunnel tests under 25 wind conditions,the effects of chamfer forms,chamfer ratios,and other parameters on wind load characteristics and aerodynamic optimization efficacy were quantitatively investigated.The results demon-strate that the maximum reduction ratios for the peak base bending moments of the two chamfered buildings(chamfer ratios is 15%)are 22.20%and 29.06%,respectively.For the base bending moment pulsation value,the maximum reduction ratios of diamond chamfer(chamfer ratios is 15%)and layered trapezoidal chamfer(chamfer ratios is 10%)are 26.57%and 30.48%,respectively.This indicates that the load reduction effects do not necessarily improve with increasing chamfer ratios.Through aerodynamic morphological innova-tion and wind-induced response analysis,this study fills the gap in current codes regarding design guidance for complex chamfered morphologies,providing theoretical support and experimental references for wind-resistant optimization design of super high-rise buildings.关键词
高层建筑/气动优化/角区修正/风洞试验/高频天平测力(HFFB)技术Key words
high-rise buildings/aerodynamic optimization/corner modification/wind tunnel test/high-frequency force balance(HFFB)technique分类
建筑与水利引用本文复制引用
杨易,李泽贤,袁利军,徐洲洋..高层建筑2类三维切角气动优化风洞试验研究[J].东南大学学报（自然科学版）,2026,56(10):1438-1446,9.基金项目
国家自然科学基金资助项目(52178480) （52178480）
广东省基础与应用基础研究基金资助项目(2026A1515011673) （2026A1515011673）
亚热带建筑与城市科学全国重点实验室资助项目(2024ZB10). （2024ZB10）
