Journal
ENGINEERING STRUCTURES
Volume 250, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2021.113349
Keywords
Infilled frame systems; Finite element model; Frame-infill interface model; Contact lengths; Lateral stiffness
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An in-plane finite element model of infilled frame systems is developed, focusing on the contact/separation conditions at the frame-infill interface. The model is validated through comparisons with experimental and numerical findings. Parametric analyses are conducted to determine interpolation formulae estimating frame-infill contact lengths and global stiffness in the elastic regime.
An in-plane finite element model of infilled frame systems is formulated. A frame-infill interface capable of transferring only normal compressive contact forces is defined. The complex phenomenology affecting these systems is explored, with a focus on the contact/separation conditions at the interface. Comparisons with previously reported experimental and numerical findings are made, and the model is validated. Parametric analyses are performed. Interpolation formulae are determined, which estimate frame-infill contact lengths and global stiffness in the elastic regime.
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