Analysis on flexural behavior of orthotropic steel-concrete continuous composite decks

被引：0
|
作者：
Yulin, Shan [1 ,2 ]
Zhouhong, Zong [1 ,2 ]
Jiaqi, Li [1 ,2 ]
Yuli, Chen [1 ,2 ]
Zhuo, Li [1 ,2 ]
Yousheng, Xu [3 ]
机构：
[1] School of Civil Engineering, Southeast University, Nanjing,211189, China
[2] Engineering Research Center of Safety, Protection of Explosion and Impact of Ministry of Education, Southeast University, Nanjing,211189, China
[3] Shenzhen Municipal Design and Research Institute Co., Ltd., Shenzhen,518029, China
来源：
Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition) | 2023年 / 53卷 / 02期
关键词：
Bearing capacity - Concrete testing - Shear flow - Steel testing - Stiffness;
D O I：
10.3969/j.issn.1001-0505.2023.02.006
中图分类号：
学科分类号：
摘要：
To investigate the effects of different types of ribs on the flexural behavior of orthotropic steel-concrete continuous composite decks, the flexural behaviors of steel-concrete continuous composite decks (SCCCDs), open-rib stiffened steel-concrete continuous composite decks (OSCCCDs), and U-rib stiffened steel-concrete continuous composite decks (USCCCDs) were analyzed and compared by the flexural tests and numerical simulation. The effects of the number of ribs, the thickness of the ribs, the thickness of the steel plate, the thickness of the concrete slab, the reinforcement ratio, and the spacing of the PBL shear connectors on the flexural behaviors were studied. The results show that there are significant differences in the flexural stiffness and ultimate bearing capacity of the three types of steel-concrete continuous composite decks. Compared with SCCCDs, the ultimate loads of OSCCCDs and USCCCDs are increased by 23.1% and 74.5%, respectively. The thickness of concrete slab has the highest impact on of the flexural behavior of continuous composite decks, and its influence ratios on flexural stiffness and ultimate bearing capacity are 15.70% and 22.44%, respectively. © 2023 Southeast University. All rights reserved.
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页码：229 / 241
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