Behaviour of AAC infilled RC frames under in plane and out of plane seismic demands

Date

2017-11-24

Author

Binici, Barış
Aldemir, Alper
Canbay, Erdem
Yakut, Ahmet

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Observations after several earthquakes revealed that infill walls may significantly alter the response of reinforced concrete frame buildings. They increase the lateral stiffness and strength of frames subjected to low to moderate in-plane seismic excitation, however they may experience sudden failure under the combined action of in-and out-of-plane seismic demands. Autoclaved aerated concrete (AAC) is a popular choice of infill wall material due to its advantages such as light weight, good insulation and high durability. In this study, the in-plane and out-of-plane behaviour of AAC infill walls were investigated by conducting combined in-plane and out-of-plane tests. Three specimens were tested under the action of in-plane (IP) deformation demands and out-of-plane (OOP) acceleration induced forces. Sudden OOP failure with limited ductility was observed under the combined IP-OOP loading at a drift ratio of about 1%, which was significantly smaller than the drift capacity of RC frame subjected to in-plane loading only. An interaction diagram in the form of sustainable interstory drift ratio to out-of-plane acceleration demands were obtained from the test results. The results demonstrated the importance of considering IP and OOP interaction for safe design of RC frame buildings.

Subject Keywords

AAC infills, In-plane, Out-of-plane, Response

URI

https://hdl.handle.net/11511/77197

Conference Name

Australian Earthquake Engineering Society 2017 Conference, (24 - 26 Kasım 2017)

Collections

Department of Civil Engineering, Conference / Seminar

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Citation Formats

B. Binici, A. Aldemir, E. Canbay, and A. Yakut, “Behaviour of AAC infilled RC frames under in plane and out of plane seismic demands,” presented at the Australian Earthquake Engineering Society 2017 Conference, (24 - 26 Kasım 2017), Canberra, Australia, 2017, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/77197.