Performance of reinforced concrete buildings during the 27 February 2010 Maule (Chile) earthquake

The paper presents observed damage in reinforced concrete buildings during the 27 February 2010 Maule earthquake in Chile. Performance of concrete frame and shear wall buildings are discussed with emphasis on seismic deficiencies in design and construction practices. It is shown that the majority of...

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Bibliographic Details
Published inCanadian journal of civil engineering Vol. 40; no. 8; pp. 693 - 710
Main Authors Saatcioglu, Murat, Palermo, Dan, Ghobarah, Ahmed, Mitchell, Denis, Simpson, Rob, Adebar, Perry, Tremblay, Robert, Ventura, Carlos, Hong, Hanping
Format Journal Article
LanguageEnglish
Published Ottawa NRC Research Press 01.08.2013
Canadian Science Publishing NRC Research Press
Subjects
Building failures
Building law
Canada
Chile
Civil engineering
Comparative analysis
Earthquake damage
Earthquake resistant design
Mechanical properties
Reinforced concrete
Seismic engineering
Skyscrapers
Tall buildings
Chile
Canada
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Summary:The paper presents observed damage in reinforced concrete buildings during the 27 February 2010 Maule earthquake in Chile. Performance of concrete frame and shear wall buildings are discussed with emphasis on seismic deficiencies in design and construction practices. It is shown that the majority of structural damage in multistorey and high-rise buildings can be attributed to poor performance of slender shear walls, without confined boundary elements, suffering from crushing of concrete and buckling of vertical wall reinforcement. Use of irregular buildings, lack of seismic detailing, and the interference of nonstructural elements were commonly observed seismic deficiencies. A comparison is made between Chilean and Canadian design practices with references made to the applicable code clauses. Lessons are drawn from the observed structural performance.
ISSN:0315-1468
1208-6029
DOI:10.1139/cjce-2012-0243