A novel energy-dissipating hysteretic infilled wall system comprising slotted concrete blocks with energy-dissipating links is designed and experimentally tested in a full-scale reinforced concrete frame. Its performance is compared with the conventional (brick) infilled frame as well as bare frame. This infill wall system helps to reduce the stiffening effect and also acts as a secondary load-resisting system that resists lateral loads even after the formation of plastic hinges in the frame. The post-yield response of the frame becomes stable and no collapse condition arises even at a large deformation. This is a kind of low-cost passive energy–dissipating method that may act as an efficient and versatile solution to minimize the damages in frame buildings. A systematic numerical model is developed on the basis of a series of experiments conducted on its constituent units that captures the elastic and post-yield load deformation behavior of the energy-dissipating hysteretic infilled frame under cyclic loading.
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Research Article|
February 01, 2022
Cyclic evaluation of energy-dissipating hysteretic infilled reinforced concrete frame: A novel approach as low-cost passive energy–dissipating device
Nidhin S Pachappoyil, EERI;
Nidhin S Pachappoyil, Department of Earthquake Engineering, IIT Roorkee, Roorkee 247667, Uttarakhand, India. Email: npachappoyil@eq.iitr.ac.in
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Pankaj Agarwal, EERI
Pankaj Agarwal, EERI
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Earthquake Spectra (2022) 38 (1): 677–701.
Article history
received:
18 Feb 2020
accepted:
17 Jun 2021
first online:
16 Feb 2022
Citation
Nidhin S Pachappoyil, Pankaj Agarwal; Cyclic evaluation of energy-dissipating hysteretic infilled reinforced concrete frame: A novel approach as low-cost passive energy–dissipating device. Earthquake Spectra 2022;; 38 (1): 677–701. doi: https://doi.org/10.1177/87552930211031578
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Index Terms/Descriptors
- aseismic design
- attenuation
- buildings
- concrete
- construction
- construction materials
- damage
- design
- earthquakes
- elasticity
- engineering properties
- experimental studies
- failures
- friction
- hysteresis
- numerical models
- reinforced materials
- seismic energy
- seismic response
- structures
- walls
- energy-dissipating hysteretic infill
- low-cost passive energy dissipator
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