Seismic behavior of AAC infill walls insulated with cementitious lightweight panels in reinforced concrete frames

Date

2021-12-01

Author

Kasapgil, Sema Melek
Binici, Barış
Canbay, Erdem

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© 2021 Elsevier LtdAutoclaved aerated concrete (AAC) walls are commonly used as infill walls in reinforced concrete frames. Thermal properties of infill walls in cold regions can be improved by bonding additional insulation panels. In this study, eight half-scale, one-bay, one-story reinforced concrete frames with insulated AAC infill walls were tested under cyclic increasing in-plane (IP) displacement excursions to simulate earthquake demands. Two different methods of insulation arrangements were studied by using mineral-based cementitious materials. In addition to in-plane loading, out-of-plane (OOP) and combined in-plane and out-of-plane (IP + OOP) tests were conducted under constant axial load and increasing cyclic displacement excursions. It was observed that insulated AAC infill walls had limited deformation capacity with premature failure of the insulation plates. The observed damage limits of the insulated AAC infills were compared with the codes' drift ratio limits. It was concluded that such walls should be classified as fragile components with limited drift capacity.

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85115932492&origin=inward
https://hdl.handle.net/11511/94379

Journal

Engineering Structures

DOI

https://doi.org/10.1016/j.engstruct.2021.113215

Collections

Department of Civil Engineering, Article

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Citation Formats

S. M. Kasapgil, B. Binici, and E. Canbay, “Seismic behavior of AAC infill walls insulated with cementitious lightweight panels in reinforced concrete frames,” Engineering Structures, vol. 248, pp. 0–0, 2021, Accessed: 00, 2021. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85115932492&origin=inward.