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July 10, 2026BuildingsOpen Access

New Buckling Analysis of Rotationally Restrained Columns Using the Finite Integral Transform Method

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Authors

DSDongrui SongXTXiaocheng TangZSZhiwei Sun

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Overview

Randomized trial finds new analytical solutions for buckling in axially compressed columns, suggesting improved engineering design methods.

Key Points

  • This research aims to solve the buckling problem of axially compressed columns using the finite integral transform method.
  • Applied the finite integral transform method to derive analytical solutions.
  • Transformed complex buckling problems into matrix eigenvalue problems using integral transformations.
  • Varied the spring rotational restraint coefficient to analyze effective length changes under different boundary conditions.
  • Achieved accurate analytical results for the effective length factor, with deviations under 0.5% compared to existing literature.
  • Demonstrated the variation of effective length as boundary conditions transition from elastic restraints to simply supported conditions.

Cite This Study

Song et al. (2026) studied this question.

synapsesocial.com/papers/6a508df96eeac72a437a116ahttps://doi.org/10.3390/buildings16132700
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