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A program of lateral buckling tests of large rolled steel beams presented the need for special techniques of applying loads of substantial size which must move with the displacements of the test beam, without in any way constraining it, and yet at all times have a fixed direction of application. Also required were beam reaction supports which must satisfy the specified boundary conditions for the test beam. The test method developed for these tests, control tests and measurements, and the adaption of the Southwell method for predicting the buckling loads of beams are described.
buckling, beams, test methods, steel, Southwells method
Hechtman, R. A.
President, R. A. Hechtman & Associates, McLean, Va.