广州白云“4·27”龙卷风对钢结构厂房破坏现场调查分析与思考

左太辉; 程晔; 华旭刚

doi:10.3724/j.gyjzG24063002

广州白云“4·27”龙卷风对钢结构厂房破坏现场调查分析与思考

doi: 10.3724/j.gyjzG24063002

1. 仲恺农业工程学院, 广州 510225;
2. 湖南大学风工程与桥梁工程湖南省重点实验室, 长沙 410082;
3. 湖南大学桥梁工程安全与韧性全国重点实验室, 长沙 410082

详细信息

作者简介:
左太辉，博士，讲师，主要从事风工程、结构防灾减灾研究。电子信箱：zuotaihui@zhku.edu.cn

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出版历程
- 收稿日期: 2024-06-30
- 网络出版日期: 2026-01-06
- 刊出日期: 2025-12-20

Field Investigation and Analysis on the Damage to Steel Structure Buildings Caused by the “4·27” Tornado in Guangzhou Baiyun District

1. Zhongkai University of Agriculture and Engineering，Guangzhou 510225，China;
2. Hunan Provincial Key Laboratory of Wind and Bridge Engineering，Hunan University，Changsha 410082，China;
3. National Key Laboratory of Bridge Safety and Resilience，Hunan University，Changsha 410082，China

摘要

摘要: 2024年4月27日广州市白云区遭受龙卷风袭击，导致大量建筑尤其是轻型钢结构厂房出现屋顶掀翻、立面破损和整体倒塌等不同程度的损坏。基于灾后现场勘查，深入探讨龙卷风对轻钢结构厂房围护结构及主体承重构件的破坏特点和原因。结果表明：极端龙卷风荷载是引发轻钢结构厂房受损的关键因素，损坏形态与结构类型差异有关；严格遵循规范进行设计和施工的轻钢厂房表现为围护结构受损，主体结构展现了较好的抗风韧性；高耸结构在龙卷风作用下易发生整体扭曲变形和支撑失效。由于设计和施工质量对提升建筑物抵御龙卷风侵袭能力具有重要影响，可以通过减小檩条间距和增强立柱承载力等措施提高轻钢厂房抵御龙卷风灾害的能力。
- 龙卷风 /
- 风荷载 /
- 轻钢结构 /
- 损坏 /
- 倒塌
Abstract: On April 27， 2024， the Baiyun District of Guangzhou City was struck by a tornado， leading to severe damage to a large number of buildings， particularly light-gauge steel structures， including roof uplift， facade damage， and collapse. Based on the on-site investigation， the paper analyzed the damage characteristics and causes of roofs， purlins， and steel columns of light-gauge steel structures when confronted with tornadoes. The results indicated that excessive high wind loads were the primary cause of damage to light-gauge steel structures. Different building structural types exhibited distinct damage patterns. Light-gauge steel plants designed and constructed strictly in adherence to building codes primarily showed damage to their envelope systems while maintaining a relatively robust wind-resistant performance of the main structure， towering structures were prone to overall torsional deformation and support failure under the impact of tornadoes. The design and construction quality significantly influenced a building’s resilience against tornadoes. Appropriately decreasing the space of purlins and enhancing the bearing capacity of upright columns could effectively improve the capacity to withstand extreme wind hazards like tornadoes.
- tornado /
- wind load /
- light-gauge steel structure /
- damage /
- collapse

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参考文献(14)

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