(中国中元国际工程有限公司, 北京 100089)

摘要: 结构连续倒塌会造成严重生命财产损失,高层建筑在偶然作用发生时应具有适宜的抗连续倒塌能力. 采用《高层建筑混凝土结构技术规程》(JGJ 3—2010)的拆除构件法和附加侧向偶然作用法计算分析了海口双子塔⁃南塔结构抗连续倒塌性能,结果表明剩余构件的应力比满足抗连续倒塌要求;动力弹塑性计算方法复核验算结果表明,结构因构件拆除而产生的动力效应并不明显,剩余构件均未出现塑性行为. 两种方法均表明海口双子塔⁃南塔结构具有良好的冗余度和抗连续倒塌能力.

关键词: 海口双子塔; 偶然作用; 抗连续倒塌; 拆除构件法; 动力非线性分析

中图分类号:TU398. 7 文献标志码:A 文章编号:1002⁃848X(2022)16⁃0001⁃06

DOI:10. 19701 / j. jzjg. ZJ200032

Anti⁃progressive collapse analysis of Haikou Twin Towers⁃South Tower

WANG Ning, ZHANG Tongyi, ZHANG Song, FU Yangqiang, MA Ruijia, ZHANG Te

(China IPPR International Engineering Co. , Ltd. , Beijing 100089, China)

Abstract: The progressive collapse of the structure causes serious casualties and property losses. High⁃rise buildingsshould have appropriate ability to resist progressive collapse when accidental action occurs. The anti⁃progressive collapseability of the Haikou Twin Towers⁃South Tower was calculated and analyzed by using the demolition member method and theadditional lateral accidental action method in the code of Technical specification for concrete structures of tall buildings(JGJ 3—2010). The results show that the stress ratio of the remaining components satisfies the requirement for anti⁃progressive collapse. The dynamic elastic⁃plastic calculation method was used to check the calculation, and the resultsshow that the dynamic effect of the structure due to component demolition is not clear and there is no plastic behavior of theremaining members. Both methods show that the Haikou Twin Towers⁃South Tower has good redundancy and ability to resistprogressive collapse.

Keywords:Haikou Twin Towers; accidental action; anti⁃progressive collapse; demolition member method; dynamicnonlinear analysis

∗企业横向科研基金项目(S2016013R).

第一作者:王宁,硕士,教授级高级工程师,一级注册结构工程师,主要从事建筑结构设计工作,Email:wangning@ ippr. net.

[引用本文] 王宁,张同亿,张松,等. 海口双子塔⁃南塔结构抗连续倒塌分析[ J]. 建筑结构,2022,52(16):1⁃6.WANG Ning,ZHANG Tongyi,ZHANG Song,et al. Anti⁃progressive collapse analysis of Haikou Twin Towers⁃South Tower[J]. Building Structure,2022,52(16):1⁃6.

第一作者：王宁，硕士，教授级高级工程师，一级注册结构工程师，主要从事建筑结构设计工作，Ｅｍａｉｌ：ｗａｎｇｎｉｎｇ＠ ｉｐｐｒ． ｎｅｔ。

［引用本文］ 王宁，张同亿，张松，等． 海口双子塔⁃南塔结构抗连续倒塌分析［ Ｊ］． 建筑结构，２０２２，５２（１６）：１⁃６．ＷＡＮＧ Ｎｉｎｇ，ＺＨＡＮＧ Ｔｏｎｇｙｉ，ＺＨＡＮＧ Ｓｏｎｇ，ｅｔ ａｌ． Ａｎｔｉ⁃ｐｒｏｇｒｅｓｓｉｖｅ ｃｏｌｌａｐｓｅ ａｎａｌｙｓｉｓ ｏｆ Ｈａｉｋｏｕ Ｔｗｉｎ Ｔｏｗｅｒｓ⁃Ｓｏｕｔｈ Ｔｏｗｅｒ［Ｊ］． Ｂｕｉｌｄｉｎｇ Ｓｔｒｕｃｔｕｒｅ，２０２２，５２（１６）：１⁃６．