Equational expression of nonlinear load–deformation relationship of dowelled joint with slotted-in steel plate at various lateral loading angles against the grain direction
Abstract
When rotational moment is applied to a dowelled joint with a slotted-in steel plate connecting the beam and the column, the lateral loads at the individual dowels are applied at various angles against the grain direction. To design the joint or analyze its rotational performance, properties at various angles are required. The main objective of this study was to create a simulation method for nonlinear load–displacement relationships at various angles of the loading direction against the grain direction. In this study, lateral loading tests of dowelled joints with slotted-in steel plates at angles of 0°, 15°, 30°, 45°, 60°, 75°, and 90° were conducted. The load–displacement relationship was measured, and the initial stiffness, proportional limit load, and yield load were obtained. When adopting Hankinson’s formula for the three characteristics, the values of n were 1.951, 2.052, and 1.912, respectively. The combined use of two empirical formulas (Hankinson’s formula and Foschi’s formula) was attempted, and the simulation results agreed well with the experimental results, which verified the usefulness of the simulation method proposed in this study.
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