典型形体超高层建筑的风压风场与抗风优化研究

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振动与冲击 ›› 2019, Vol. 38 ›› Issue (18) : 215-222.

论文

毛璐璐1，韩兆龙1, 2，周岱1, 2, 3，包艳1，汪汛1，李煜1，马晋1

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Wind pressure and wind-resistant shape optimization of typical super high-rise buildings

MAO Lulu1, HAN Zhaolong1,2, ZHOU Dai1,2,3, BAO Yan1, LI Yu1, MA Jin1, MA Ning1

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文章历史 +

摘要

现代建筑的结构高度日益增加，高层建筑截面形式更加多样。近年来，我国出现了许多新型截面形式的超高层建筑，其风荷载的控制是结构风工程领域的研究重点。针对类矩形截面和圆形截面的超高层建筑，基于计算流体动力学方法和ANSYS/ FLUENT软件，数值模拟分析不同截面超高层建筑的表面风压分布规律，不同风向角下典型测点的平均风压系数，开展行人高度处风速的比较分析，研究超高层建筑抗风形体优化。结果表明，在超高层建筑转角处，因气流分离的不连续性而出现负风压最大值；风向角对切角矩形截面超高层建筑的风压分布影响显著，当截面切角正对来风方向时，其风压分布最不利；圆形截面超高层建筑负风压量值较小，且利于满足行人风安全性和风舒适性的要求，具有良好的抗风性能。

Abstract

The height of modern architectures is increasing and the cross-section shape of high-rise buildings is becoming more diverse.In recent years, high-rise buildings with unconventional configurations have been constructed in China, which brings new challenges to wind engineering.Aiming at super high-rise buildings with rectangular-category and circular sections, based on the computational fluid dynamics (CFD) method and the ANSYS/FLUENT software, the wind pressure distribution and wind pressure coefficient at typical points of the super high-rise buildings with different section shapes were numerically simulated in different incoming wind directions to study the wind-resistant shape optimization of the super high-rise buildings.The results show that the maximum negative peak pressure occurs at the corner of super high-rise buildings due to the discoutinuity of the airflow separation at the corner edge.The super high-rise buildings with lacking-angle rectangular section have the most unfavorable wind pressure distribution when the incoming wind direction is directly facing the lacking-angle corner.The super high-rise buildings with circular section bear lower negative pressure, which is advantageous to wind-resistance ability.

导出引用

毛璐璐1，韩兆龙1, 2，周岱1, 2, 3，包艳1，汪汛1，李煜1，马晋1. 典型形体超高层建筑的风压风场与抗风优化研究[J]. 振动与冲击, 2019, 38(18): 215-222

MAO Lulu1, HAN Zhaolong1,2, ZHOU Dai1,2,3, BAO Yan1, LI Yu1, MA Jin1, MA Ning1. Wind pressure and wind-resistant shape optimization of typical super high-rise buildings[J]. Journal of Vibration and Shock, 2019, 38(18): 215-222

参考文献

［1］丁洁民，吴宏磊，赵昕. 我国高度250m以上超高层建筑结构现状与分析进展［J］. 建筑结构学报，2014，35(3): 1-7.
      DING Jiemin, WU Honglei, ZHAO Xin. Current situation and discussion of structural design for super high-rise buildings above 250m in China［J］. Journal of Building Structures, 2014, 35(3):1-7.
［2］丁洁民，缫斯，吴宏磊，等. 上海中心大厦绿色结构设计关键技术［J］. 建筑结构学报，2017，38(3): 134-140.
      DING Jiemin, CHAO Si, WU Honglei, et al. Key technology of green building in the Shanghai Tower structural design［J］. Journal of Building Structures, 2017, 38(3):134-140.
［3］曹会兰，全涌. 方形截面超高层建筑的横风向气动阻尼风洞试验研究［J］. 土木工程学报，2013，46(4): 18-25.
      CAO Huilan, QUAN Yong. Experimental study on across-wind aerodynamic damping of
square super-high-rise building［J］. China Civil Engineering Journal, 2013, 46(4):18-25.
［4] 黄剑，顾明. 超高层建筑风荷载和效应控制的研究及应用进展［J］. 振动与冲击，2013，32(10): 167-172.
      HUANG Jian, GU Ming. Control of wind loading and effects of super-tall buildings: state of the art［J］. Journal of Vibration and Shock, 2013, 32(10):167-172.
［5］黄铭枫. 基于风振性能的高层建筑抗风设计优化［J］. 工程力学，2013，30(2)：240-246.
      HUANG Mingfeng. Wind-induced vibration performance-based optimal structural design of tall buildings ［J］. Engineering Mechanics, 2013, 30(2):240-246.
［6］杨明. 高层建筑风荷载及风致响应研究［D］. 长沙：湖南大学，2013.
［7］燕辉. 复杂体型高层建筑风荷载及风振响应研究［D］. 杭州：浙江大学，2004.
［8］谢壮宁，李佳，石碧青. 3栋典型超高层建筑气动荷载特性及风振控制措施［J］. 建筑结构学报，2014，35(4)：289-296.
      XIE Zhuangning, LI Jia, SHI Biqing. Aerodynamic loading properties and strategy of reduction of three typical super tall buildings［J］. Journal of Building Structures, 2014, 35(4):289-296.
［9］申建红，李春祥. 强风作用下超高层建筑风场特性的实测研究［J］. 振动与冲击，2010，29(5): 62-68.
      SHEN Jianhong, LI Chunxiang. Study on the measurement for wind field characteristics of super high-rise buildings［J］. Journal of Vibration and Shock, 2010, 29(5):62-68.
［10］ GB50009-2012，建筑结构荷载规范［S］.
［11］王磊，梁枢果，邹良浩，等. 超高层建筑抗风体型选取研究［J］. 湖南大学学报（自然科学版），2013，40(11)：34-39.
      WANG Lei, LIANG Shu-guo, ZOU Liang-hao, et al. Study on the body shape selection of super high-rise building from the point of wind resistance［J］. Journal of Hunan University(Natural Sciences), 2013, 40(11):34-39.
［12］李毅. L型截面高层建筑风荷载特性及其优化设计研究［D］. 长沙：湖南大学，2015.
［13］廖朝阳. 不同横截面高层建筑全风向气动性能CFD数值模拟研究［D］. 长沙：湖南大学，2014.
［14］蔡洪昌. 考虑脉动风和耦合效应的高层建筑结构风振CFD数值模拟［D］. 哈尔滨：哈尔滨工业大学，2012.
［15］唐意，金新阳，杨立国. 错列布置超高层建筑群的干扰效应研究［J］. 土木工程学报，2012，45(8): 97-103.
       TANG Yi, JIN Xinyang, YANG Liguo. Study of the interference effects of wind loads on tall buildings in    staggered arrangement［J］. China Civil Engineering Journal, 2012,45(8):97-103.
［16］李正良，魏奇科，黄汉杰，等. 山地超高层建筑风致响应研究［J］. 振动与冲击，2011，30(5)：43-48.
       LI Zhengliang, WEI Qike, HUANG Hanjie, et al. Wind-induced response of super tall buildings in hilly terrain［J］. Journal of Vibration and Shock, 2011, 30(5):43-48.
［17］方平治，史军，王强，等. 上海陆家嘴区域建筑群风环境数值模拟研究［J］. 建筑结构学报，2013，34(9)：104-111.
       FANG Pingzhi, SHI Jun, WANG Qiang, et al. Numerical study on wind environment among tall buildings in Shanghai Lujiazui Zone［J］. Journal of Building Structures, 2013, 34(9):104-111.
［18］周鲁敏. 某双塔楼超高层建筑平均风荷载及干扰效应数值模拟研究［J］. 建筑技术, 2015, 46(05): 467-470.
      ZHOU Lumin. Numerical simulation of mean wind loads and interference effect on square-section super high-rise buildings［J］. Architecture Technology, 2015, 46(05): 467-470.
［19］ Elsa Aristodemou, How tall buildings affect turbulent air flows and dispersion of pollution within a neighbourhood［J］. Environmental Pollution, 2018, 233：782-796.
［20］Ahmed Elshaer , Enhancing wind performance of tall buildings using corner aerodynamic optimization［J］. Engineering Structures, 2017, 136：133-148.
［21］张建，杨庆山. 基于标准k-ε模型的平衡大气边界层模拟［J］. 空气动力学报，2009，27(6)：729-735.
       ZHANG Jian, YANG Qingshan. Application of standard k-ε model to simulate the equilibrium ABL［J］. Acta Aerodynamica Sinica, 2009, 27(6):729-735.
［22］苏小兵. 基于CFD的超高层建筑风荷载和绕流特性分析［D］. 长沙：湖南大学，2014.
［23］Ahmed Elshaer, Anant Gairola, et al, Variations in wind load on tall buildings due to urban development, In Sustainable Cities and Society, Volume 34, 2017, Pages 264-277, ISSN 2210-670.
［24］Alexandre Luis Braun, Armando Miguel Awruch, Aerodynamic and aeroelastic analyses on the CAARC standard tall building model using numerical simulation, In Computers & Structures, Volume 87, Issues 9–10, 2009, Pages 564-581, ISSN 0045-7949.
［25］黄鹏，顾明，全涌. 高层建筑标准模型风洞测压和测力试验研究 [J]. 力学季刊，2008，29(04)：627-633.
      HUANG Peng, GU Ming, QUAN Yong. Wind Tunnel Test Research on CAARC Standard Tall Building Model［J］. Chinese Quarterly of Mechanics, 2008, 29(04):627-633.
［26］黄本才，汪丛军．结构抗风分析原理及应用［M］．上海：同济大学出版社，2008：172.
［27］王硕. 基于CFD方法的行人高度处风环境研究 [D]. 同济大学, 2013.