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Structural Behavior of a PIP Slip Joint under Pure Bending Considering Nonlinear Buckling

Author

Listed:
  • Md Ariful Islam

    (Energy Innovation Research Center for Wind Turbine Support Structures, Kunsan National University, 558 Daehak-ro, Gunsan-si 54150, Jeollabuk-do, Republic of Korea)

  • Hongbae Park

    (Department of Wind Energy, The Graduate School of Kunsan National University, 558 Daehak-ro, Gunsan-si 54150, Jeollabuk-do, Republic of Korea)

  • Daeyong Lee

    (Department of Wind Energy, The Graduate School of Kunsan National University, 558 Daehak-ro, Gunsan-si 54150, Jeollabuk-do, Republic of Korea)

Abstract

This study investigates the structural behavior of a particular mechanical joint subjected to bending and perturbation and the selection of overlapping lengths for this CHS structure arrangement. We began this research by meticulously validating the methodology through a rigorous replication of a prior experimental study, establishing its reliability as a solid foundation. Subsequently, the process was applied to pile-in-pile (PIP) slip joints with varying overlapping lengths. The primary aim was to determine the optimal overlapping length, a critical parameter in this analysis, encompassing the evaluation of stiffness, bending capacities, and joint efficacy. These investigations reveal a clear correlation between increasing overlapping length and heightened joint stiffness. An optimal overlapping length that strikes a harmonious balance between stiffness, bending capacity, and joint efficiency was identified. These findings hold substantial promise for enhancing the joint design of tubular sections, particularly within the context of wind-turbine structures. Using this novel joint can be promising in increasing the efficiency and reliability of CHS structures in future construction and performance.

Suggested Citation

  • Md Ariful Islam & Hongbae Park & Daeyong Lee, 2023. "Structural Behavior of a PIP Slip Joint under Pure Bending Considering Nonlinear Buckling," Energies, MDPI, vol. 17(1), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:17:y:2023:i:1:p:35-:d:1304243
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