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空中华西村风振舒适度研究
张 涛 薛 炳 陈志强 王庆扬
摘 要

张  涛  薛  炳  陈志强  王庆扬
(中国电子工程设计院深圳市电子院设计有限公司,深圳 518031)

[摘要] 对空中华西村超高层结构的风振舒适度进行研究,首先根据规范提供的计算公式,对整体结构中外围单个塔体进行了风振舒适度验算,结果满足规范要求。在此基础上进一步对整体结构进行了风振响应分析。由于整体结构比较复杂,规范方法不再适用,因此工程利用风洞实验获得复杂不规则建筑物表面的风压时程数据,采用数值模拟的办法分析了高层建筑在风荷载下的结构动态响应,获得了整体结构位移、速度以及加速度时程等重要数据。方法为体型复杂、规范方法不适用情况下的高层建筑风振舒适度验算提供了准确而全面的判断依据。
[关键词] 高层建筑;风振舒适度;风振;风洞试验;有限元分析;ABAQUS;复杂体型

    Research on Comfortable of Wind-induced Vibration for the Buildings of Kongzhou Huaxicun
    Zhang Tao,  Xue Bing,  Chen Zhiqiang, Wang Qingyang
    ( China Electronics Engineering Design Institute,  Shenzhen Electronic Design Institute Co.,  Ltd.,  Shenzhen 518031,  China)

Abstract: To analyze the wind-induced vibration of Kongzhong Huaxicun, the simple calculation of the single tower among the total four towers in the project is accomplished with the formula provided by the design code and the results meet the demand of the code. Because the whole structure of the building is very complicated and traditional methods do not work, a new method is adopted. The structure's dynamic response under the wind load obtained in the wind tunnel test is simulated with ABAQUS and then the displacement, velocity and acceleration information are obtained. The analysis of the comfort degree of the complicated shaped structure under wind load could be accomplished successfully with this method. This method is of great importance to the structure design of skyscraper.
Keywords: high-rise building; comfortable degree; wind-induced vibration; wind tunnel test; FEA; ABAQUS;  complicated structure

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