Progressive collapse performance of flat slab structures with different slab reinforcement details

被引：0
|
作者：
Yang, Tao [1 ,2 ]
Lan, Wen-Wu [1 ]
Qian, Kai [3 ]
机构：
[1] College of Civil Engineering and Architecture, Guangxi University, Nanning,Guangxi,530004, China
[2] Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, Nanning,Guangxi,530004, China
[3] Natural Hazards Research Center, Nanyang Technological University, Singapore,639798, Singapore
来源：
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) | 2014年 / 42卷 / 10期
关键词：
The local or global progressive collapse of reinforced concrete (RC) flat slab structures may occur due to the failure of load-bearing columns under accidental loading; such as explosion and impact. In order to investigate the effect of slab reinforcement details on the progressive collapse performance of RC flat slab structures; two one-third scale RC flat slab substructure models are constructed and tested under monotonic static load in the scenario of loss of a corner column. Experimental results show that (1) continuous top slab reinforcement can effectively reduce the width of cracks on the slab; (2) as compared with the specimen with discontinuous top slab reinforcement; the yield load; first peak load and ultimate bearing capacity of the substructure with continuous top slab reinforcement increase respectively by 38.4%; 31.8%; and; 7.5%; and the progressive collapse resistance under dynamic load is significantly improved as well; and (3) the tensile membrane action in the slabs contributes significantly to the progressive collapse resistance after the working mechanism of yield lines fails. ©; 2014; South China University of Technology. All right reserved;
D O I：
10.3969/j.issn.1000-565X.2014.10.018
中图分类号：
学科分类号：
摘要：
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页码：110 / 116
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