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- Title
Response of earthquake-resistant reinforced-concrete buildings to blast loading.
- Authors
Saatcioglu, Murat; Ozbakkaloglu, Togay; Naumoski, Nove; Lloyd, Alan
- Abstract
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.
- Subjects
CONCRETE construction; EARTHQUAKE resistant design; STRUCTURAL analysis (Engineering); STRUCTURAL engineering; BOMBINGS; BLAST damage to buildings
- Publication
Canadian Journal of Civil Engineering, 2009, Vol 36, Issue 8, p1378
- ISSN
0315-1468
- Publication type
Article
- DOI
10.1139/L09-089