Analysis of Dynamic Response of RC Flat Plate Frame's Performance under Dynamic Loads

2018 5th International Conference on Advanced Composite Materials and Manufacturing Engineering

Su, Zhibo^1 ; Zhang, Fanzhen^1 ; Hu, Qigao^2

College of Aerospace Science and Engineering, National University of Defense Technology, Changsha

410073, China^1

College of Military Education and Training, National University of Defense Technology, Changsha

410072, China^2

关键词: Accidental action;    Compressive membrane action;    Dynamic amplification factors;    Failure time;    Progressive collapse;    Public safety;    Reinforced concrete flat plates;    Tensile membrane action;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/394/3/032075/pdf
DOI  :  10.1088/1757-899X/394/3/032075

来源: IOP

【 摘 要 】

The progressive collapse of structures under accidental actions is a serious threat to the public safety. Numerical analysis of a 2x2-bay and single-story reinforced concrete flat plate frame model is done in this paper, the time of failure and the position of failure column are taken into account. It can be found that the Dynamic Amplification Factor (DAF) increases with the decrease of failure time, the DAF under compressive membrane action is less than the stage of the tensile membrane action and the compressive membrane action is more important to avoid progressive collapse. When the time of failure is not changed, the DAF is negatively correlated with the load under compressive membrane action and the DAF is positively correlated with the load under tensile membrane action.