Inicio  /  Buildings  /  Vol: 13 Par: 2 (2023)  /  Artículo
ARTÍCULO
TITULO

Numerical Investigations of Progressive Collapse Behaviour of Multi-Storey Reinforced Concrete Frames

Qiao-Ling Fu    
Liang Tan    
Bin Long and Shao-Bo Kang    

Resumen

This paper presents numerical simulations of multi-storey reinforced concrete frames under progressive collapse scenarios. Reinforced concrete frames with different storeys are modelled using DIANA. The load resistance and failure mode of frames are obtained from the numerical simulation. Variations in axial force and bending moment at the beam end are also determined and analysed to shed light on the force transfer mechanism. Numerical results show that the single-storey frame can develop compressive arch action at the initial loading stage and subsequent catenary action at large deformations. However, in multi-storey frames, only the first-storey beam develops compressive arch action and catenary action, whereas beams in other storeys show rather limited axial compression force. Based on numerical results, a design method is proposed for multi-storey frames to resist progressive collapse. Comparisons between numerical results and design methods suggest that the design method can evaluate the progressive collapse resistance of multi-storey frames with good accuracy.

 Artículos similares

       
 
Quanhui Liu, Chenyao Zhou, Dan Ma, Yong Liu, Guanshi Wang and Zhen Huang    
The accurate prediction of the vertical extent of water-conducting fracture (WCF) zones in weakly cemented strata is particularly significant in preventing and controlling water hazards in western coal mines. The evolution of fractures in weakly cemented... ver más
Revista: Water

 
Onur Dündar, Ismail Hakki Özölçer and Emrah Dogan    
The loss coefficient is one of the most critical parameters in computing the hydraulic grade line of sewer systems. The head loss coefficient of a manhole is dependent on various hydraulic and structural characteristics, such as manhole mold, connection ... ver más
Revista: Water

 
David Beck and Paul Uwe Thamsen    
Especially in the field of sewage pumps, the design of radial impellers focuses not only on maximum efficiency but also on functionality in terms of susceptibility to clogging by fibrous media. In general, the efficiency of sewage impellers is significan... ver más

 
Ali Sadik Gafer Qanber, Mohammed H. Yas and Mohammed M. Kadhum    
This study has two main aims; firstly, investigating the behavior of slabs that are strengthened with different types of reinforcements and with Slurry-Infiltrated Mat Concrete (SIMCON) laminates, having different dimensions and thicknesses and subjected... ver más
Revista: Infrastructures

 
Andreas Döring, Markus Vogelbacher, Oliver Schneider, Jacob Müller, Stefan Hinz and Jörg Matthes    
Prestressed concrete bridges built between 1960 and 1990 no longer meet today?s requirements due to loads and increasing mileage of higher loads that have increased since the bridges were designed. Prestressed concrete bridges are representative of Germa... ver más
Revista: Infrastructures