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中国华润大厦抗风减振设计研究
林 海1, 张 倩2, 万 腾1, 甄胜威1, 汪 洋1
摘 要

(1 奥雅纳工程顾问, 深圳 518048; 2 华润置地 (深圳) 有限公司, 深圳 518048)

摘要: 中国华润大厦建筑高度 392. 5m,结构体系采用钢结构密柱框架 ̄核心筒的体系,由于圆形的平面和春笋的造型,大楼在 10 年一遇的风荷载下具有较为显著的动力响应。 对结构进行了抗风的减振设计,采用黏滞阻尼器,并且对阻尼器的设置位置、结构形式、计算参数等进行了优化,取得了很好的减振效果。 提出了对阻尼器及其连接的全程设计指标要求、技术性能要求,并进行试验测试和实施考虑等,保证阻尼器的安装和顺利工作。 分析结果表明:设置了黏滞阻尼器之后大楼的振动加速度得到有效地控制,可以满足提高舒适度标准的设计要求。

关键词: 超高层建筑; 黏滞阻尼器; 抗风减振设计; 风振舒适度; 振动分析

中图分类号:TU352. 2 文献标志码:A 文章编号:1002 ̄848X(2022)02 ̄0028 ̄06

DOI:10. 19701 / j.jzjg.ZJ210058

Design and research on wind ̄induced vibration reduction of China Resources Building

LIN Hai1, ZHANG Qian2, WAN Teng1, ZHEN Shengwei1, WANG Yang1

(1 Arup, Shenzhen 518048, China; 2 China Resources Land (Shenzhen) Co., Ltd., Shenzhen 518048, China)

Abstract: The height of China Resources Building is 392. 5 meters with structural system of steel close column frame ̄coretube system. Due to the circular plan and the shape of bamboo shoot, the building has a relatively significant dynamicresponse under the 10 ̄year wind load. Wind ̄induced vibration was designed. The viscous damper was adopted, and theoptimization of location for dampers, structural supporting form, analysis parameters and else were optimized. A goodvibration reduction effect has been achieved. The design measure requirements, technical performance requirements of thedampers, experimental testing and implementation considerations were put forward to ensure the installation and smoothoperation of the dampers. Analysis results show that after viscous dampers adoption, the wind induced vibration of structurecan be well controlled, and reach the comfort design requirement.

Keywords: super tall building; vicious damper; wind ̄induced vibration reduction design; wind ̄induced vibration comfort;vibration analysis

第一作者:林海,硕士,高级工程师,主要从事超高层和复杂建筑结构的设计研究工作,Email:32252774@ qq.com。

[引用本文] 林海,张倩,万腾,等. 中国华润大厦抗风减振设计研究[J]. 建筑结构,2022,52(2):28 ̄33. LIN Hai,ZHANG Qian,WAN Teng,et al. Design and research on wind ̄induced vibration reduction of China Resources Building[J].Building Structure,2022,52(2):28 ̄33.

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