某大跨环形悬挂结构设计研究

引用文献:

都磊 孙逊 李剑 钱洋. 某大跨环形悬挂结构设计研究[J]. 建筑结构,2023,48(02):15-21.

DU Lei SUN Xun LI Jian QIAN Yang. Research on design of a large-span ring suspension structure[J]. Building Structure,2023,48(02):15-21.

作者:都磊 孙逊 李剑 钱洋
单位:东南大学建筑设计研究院有限公司
摘要:宜宾某游客接待中心主体结构环廊外径111m,内径87m,严格的外观要求和大跨度为结构设计带来挑战。介绍了接待中心环廊的结构体系选型与布置,创新性地采用了钢筋混凝土筒体支承钢箱梁悬挂的结构体系,利用8个筒体支承两榀巨环形钢箱梁悬挂。对结构设计中的关键问题进行了分析研究,通过合理的支座选择释放超长闭合环梁的温度效应,基本消除了温度作用下巨型环梁对下部混凝土结构的影响;对巨型钢环梁进行弯扭设计分析,确保关键受力构件安全;分析了楼盖结构竖向刚度的影响因素,进行了楼盖人行振动舒适度验算,通过设置TMD解决了楼板振动舒适度问题。最后介绍了结构预变形控制措施。
关键词:环形结构;悬挂结构;温度作用;弯扭设计;舒适度分析;
作者简介:都磊,硕士,高级工程师,一级注册结构工程师,主要从事结构设计工作,Email:dulei@adriseu.com。孙逊,博士,研究员级高级工程师,主要从事复杂结构设计与研究工作,Email:sunxun@seu.edu.cn。
基金:
尊敬的用户,本篇文章需要2元,点击支付交费后阅读
参考文献[1] 陆文忠.某大跨连续钢结构桁架廊桥隔震分析与设计[J].建筑结构,2018,48(9):14-18.
[2] 张帅钢.某超长封闭环形结构设计中相关问题的探讨[J].结构工程师,2014,30(2):12-17.
[3] 郑晓芬,程雄涛,郑毅敏.环形超长混凝土结构温度问题研究[J].结构工程师,2006,22(6):11-13,24.
[4] 张玉明,边广生,孟少平.平面形状为圆环形的混凝土框架结构温度应力研究[J].工程力学,2011,28(S1):136-140.
[5] 建筑抗震设计规范:GB 50011—2010[S].2016年版.北京:中国建筑工业出版社,2016.
[6] 钢结构设计标准:GB 50017—2017[S].北京:中国建筑工业出版社,2018.
[7] 美国钢结构协会.美国建筑钢结构设计规范[M].中国钢结构协会,译.北京:冶金工业出版社,2016.
[8] 汤凯峰.大沙河文体中心大跨度悬挂羽毛球馆楼盖竖向振动舒适度分析及减振设计[J].建筑结构,2022,52(3):51-56,123.
[9] 建筑楼盖结构振动舒适度技术标准:JGJ/T 441—2019[S].北京:中国建筑工业出版社,2020.
[10] 肖魁,贾水钟,贾君玉,等.上海图书馆东馆悬挂结构方案设计与研究 [J].建筑结构,2022,52(1):1-6.
Research on design of a large-span ring suspension structure
DU Lei SUN Xun LI Jian QIAN Yang
(Architects & Engineers Co., Ltd.of Southeast University)
Abstract: The main structure of the visitor reception center in Yibin is a ring corridor with an outer diameter of 111m and an inner diameter of 87m. The strict appearance requirements and large-span of the ring corridor bring challenges to the structural design. Structural system selection and arrangement of the visitor reception center were introduced. It innovatively adopts the suspended structural system of steel box beams supported by reinforced concrete core-walls. Totally 8 core-walls were applied to support two giant steel box ring beams. The key issues in the structural design were analyzed and studied. The temperature effect of the super-long closed ring beam was released through reasonable support selection, which basically eliminated the influence of the giant ring beam on the lower concrete structures under the effect of temperature. The flexure-torsion design analysis of the giant steel ring beam was carried out to ensure the safety of the key structural members. The influencing factors of the vertical stiffness of the floor structure were analyzed, and the pedestrian vibration comfort of the floor was calculated. The vibration comfort problem of the floor slab was solved by setting TMDs. Finally, structural pre-deformation control measures were introduced.
Keywords: ring structure; suspended structure; temperature effect; flexure-torsion design; vibration comfort analysis
381 0 0
文字:     A-     A+     默认 取消