Modeling progressive collapse in reinforced concrete buildings using direct element removal

2009 ◽  
Vol 38 (5) ◽  
pp. 609-634 ◽  
Author(s):  
Mohamed Talaat ◽  
Khalid M. Mosalam
Keyword(s):  
Reinforced Concrete ◽  
Progressive Collapse ◽  
Reinforced Concrete Buildings ◽  
Concrete Buildings ◽  
Element Removal

Response of earthquake-resistant reinforced-concrete buildings to blast loadingThis article is one of a selection of papers published in the Special Issue on Blast Engineering.

2009 ◽  
Vol 36 (8) ◽  
pp. 1378-1390 ◽  
Author(s):  
Murat Saatcioglu ◽  
Togay Ozbakkaloglu ◽  
Nove Naumoski ◽  
Alan Lloyd
Keyword(s):  
Reinforced Concrete ◽  
Blast Resistance ◽  
Structural Parameters ◽  
Progressive Collapse ◽  
Structural Response ◽  
Charge Weight ◽  
Blast Loads ◽  
Reinforced Concrete Buildings ◽  
Collapse Potential ◽  
Concrete Buildings

Recent bomb attacks on buildings have raised awareness about the vulnerability of structures to blast effects. The resiliency of structures against blast-induced impulsive loads is affected by structural characteristics that are also important for seismic resistance. Deformability and continuity of structural elements, strength, stiffness, and stability of the structural framing system and resistance to progressive collapse are factors that play important roles on the survivability of buildings under both blast and seismic loads. The significance of these structural parameters on blast resistance of reinforced concrete buildings is assessed through structural analysis. Both local element performance and global structural response are considered while also assessing the progressive collapse potential. The buildings under investigation include 10-storey moment resisting frames with or without shear walls. The blast loads selected consist of different charge-weight and standoff distance combinations. The results are presented in terms of ductility and drift demands. They indicate improved performance of seismic-resistant buildings when subjected to blast loads, in terms of local column performance, overall structural response, and progressive collapse potential.

scholarly journals Effect of wind in the design of reinforced concrete buildings

2016 ◽  
Vol 9 (6) ◽  
pp. 883-910
Author(s):  
L.S. Tapajós ◽  
◽  
J. A .T. Ferreira ◽  
A. F. Lima Neto ◽  
M. R. Teixeira ◽  
...  
Keyword(s):  
At Risk ◽  
Reinforced Concrete ◽  
Parametric Study ◽  
Progressive Collapse ◽  
Structural Safety ◽  
Design Stage ◽  
Reinforced Concrete Buildings ◽  
Wind Action ◽  
Concrete Buildings ◽  
Architectural Model

ABSTRACT This paper presents the results from a parametric study carried in order to quantify how far errors in the design stage related to the consideration of the wind action may put at risk the response and safety of reinforced concrete buildings. Using an architectural model as reference and varying the number of floors of the building, the structural safety was evaluated as a function of the wind action intensity. Results showed that even for low-rise buildings, with 10 floors, ignoring the wind action can significantly jeopardize their behaviour and safety. Yet, for slenderer buildings, up to 30 floors, it can lead to catastrophic results, as the ruin of the structure by progressive collapse.

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