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1. Limit load-carrying capacity of two-way concrete slabs with clamped edges in fire | |||
Dong Yuli,Zhang Dashan,Fang Yuanyuan | |||
Civil and Architectural Engineering 17 August 2013 | |||
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Abstract:The experimental description of full-scale two-way concrete slabs with clamped edges under furnace environment is presented in this paper. The details of clamped support conditions, arrangements of reinforcement, positions of displacement transducers and thermocouple trees are described. The experimental results including temperature distribution, central vertical deflection and the edge horizontal deflection of the concrete slabs are given. A segment equilibrium method to calculate the limit load-carrying capacity of concrete slabs in fire conditions is presented. The model considers the tensile membrane action contributing to the vertical component of reinforcement tensile forces after the formation of mechanism of plastic hinge line. Comparison between the developed model and test results shows good correlation. | |||
TO cite this article:Dong Yuli,Zhang Dashan,Fang Yuanyuan. Limit load-carrying capacity of two-way concrete slabs with clamped edges in fire[OL].[17 August 2013] http://en.paper.edu.cn/en_releasepaper/content/4555736 |
2. Study on Seismic Performance of Existing RC Frame Structure in Weizhou Town after Wenchuan Earthquake | |||
Di Wu | |||
Civil and Architectural Engineering 15 December 2012 | |||
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Abstract:One building that is completed in 2006 in Weizhou Town (Wenchuan county), which is a typical local reinforcement concrete (RC) frame, is studied to review the safety levels of local RC frame building. The adopted assessment levels of earthquake ground motion is according to the earthquake fortification intensity in 2010 Chinese Code for Seismic Design of Buildings (CCSDB). By using nonlinear finite element method, probabilistic seismic demand model (PSDM) for the RC frame structures was built to assess the safety levels of the actual RC frames representative of design and construction practices in in Weizhou Town. The fragility curves for immediate occupancy, significant damage, and collapse prevention damage levels of the RC frame building are analyzed. Then the seismic fragility assessment of the RC frame is demonstrated on RC frames. The result reveals the safety levels of RC frame building in in Weizhou Town before the 2008 Wenchuan earthquake Mw7.9. | |||
TO cite this article:Di Wu. Study on Seismic Performance of Existing RC Frame Structure in Weizhou Town after Wenchuan Earthquake[OL].[15 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4502304 |
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