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Calibration of a hysteretic model for glass fiber reinforced gypsum wall panels |
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| Authors: | Maganti Janardhana P Robin Davis S S Ravichandran A M Prasad D Menon |
| Institution: | 1. JNTUH College of Engineering, Kukatpally, Hyderabad, 500 085, India 5. Civil Engineering, JNTUH College of Engineering, Kukatpally, Hyderabad, 500 085, India 2. National Institute of Technology, Rourkela, India 3. Leslie E. Robertson Associates Consulting Engineers (India) Pvt. Ltd, Mumbai, India 4. Indian Institute of Technology Madras, Chennai, India |
| Abstract: | Glass fiber reinforced gypsum (GFRG) wall panels are prefabricated panels with hollow cores, originally developed in Australia and subsequently adopted by India and China for use in buildings. This paper discusses identification and calibration of a suitable hysteretic model for GFRG wall panels filled with reinforced concrete. As considerable pinching was observed in the experimental results, a suitable hysteretic model with pinched hysteretic rule is used to conduct a series of quasi-static as inelastic hysteretic response analyses of GFRG panels with two different widths. The calibration of the pinching model parameters was carried out to approximately match the simulated and experimental responses up to 80% of the peak load in the post peak region. Interestingly, the same values of various parameters (energy dissipation and pinching related parameters) were obtained for all five test specimens. |
| Keywords: | glass fi ber reinforced gypsum walls hysteretic model pinching model |
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