(1 东南大学土木工程学院, 南京 210096; 2 中国建筑设计研究院有限公司, 北京 100044;3 上海通正建筑科技集团有限公司, 上海 201100; 4 江苏科迪建设工程质量检测有限公司,南京 211124; 5 江苏汤臣新材料科技有限公司, 泰兴 225542)

摘要: 江苏园博园未来花园有机玻璃水幕是目前我国建筑领域罕见的超大型有机玻璃项目,对其进行施工及运营过程健康监测具有重要的意义. 采用应变片对有机玻璃水幕施工阶段退火过程进行了应变监测,监测结果表明:在退火过程中,板底和肋底均出现拉应变,其值与温度正相关,退火完成后,伞面残余应变值较低. 采用振弦应变计对有机玻璃水幕运营阶段进行了应变监测. 监测结果表明:运营阶段,有机玻璃水幕中应力波动主要受到温度的影响,但波动范围较小,运营期间未出现明显蠕变现象,所有测点的应力分布在 0 ~ 5. 0MPa 之间,应力值较低,结构安全.

关键词: 江苏园博园未来花园; 有机玻璃; 热聚合; 施工及运营; 健康监测

中图分类号:TU391 文献标志码:A 文章编号:1002-848X(2023)08-0007-05

DOI:10. 19701 / j. jzjg. ZJ230007

Health monitoring during construction and operation on acrylic water curtain in Future Garden

SHU Ganping1, SUN Zhou2, LI Quanwei3, XIE Jun4, LI Lei5, ZHENG Baofeng1

(1 School of Civil Engineering, Southeast University, Nanjing 210096, China; 2 China Architecture Design andResearch Institute Co. , Ltd. , Beijing 100044, China; 3 Tongzheng Construction Technology Group, Shanghai201100, China; 4 Jiangsu Kedi Construction Engineering Quality Inspection Co. , Ltd. , Nanjing 211124, China;5 Jiangsu Donchamp New Materials Technology Co. , Ltd. , Taixing 225542, China)

Abstract: The acrylic water curtain in Jiangsu Garden EXPO Park Future Garden is currently rare super large acrylicproject in Chinese building sector, and it is of great significance for the health monitoring of its construction and operationprocess. Strain gauges were used to monitor the strain of the annealing process during the construction process of acrylicwater curtain. The monitoring results show that during the annealing process, tensile strain which is positively correlatedwith temperature appears on the bottom of the plate and ribs, and the residual strain on the surface of the umbrella is lowwhen the annealing process was completed. The strain monitoring of the acrylic water curtain during the operation processwas carried out using vibrating wire strain gauges. The monitoring results show that during the operation process, the stressfluctuation in the acrylic water curtain is mainly affected by temperature, while the fluctuation range is small. There is nosignificant creep during the operation process. The stress level of all the measuring points is low, which was between 0MPaand 5MPa, and the safety of the structure is ensured.

Keywords:Jiangsu Garden EXPO Park Future Garden; acrylic; thermal polymerization; construction and operation; healthmonitoring

∗住房和城乡建设部研究开发项目“有机玻璃在建筑与结构领域的应用技术研究” (K20200452).

第一作者:舒赣平,博士,教授,主要从事钢结构研究,Email:shuganping@ seu. edu. cn.

[引用本文] 舒赣平,孙洲,李全伟,等. 未来花园有机玻璃水幕的施工及运营过程健康监测[ J]. 建筑结构,2023,53(8):7-11. SHU Ganping,SUN Zhou,LI Quanwei,et al. Health monitoring during construction and operation on acrylicwater curtain in Future Garden [J]. Building Structure,2023,53(8):7-11.