Elastic Lateral Buckling of Steel Beams

by Graham Powell, (M.ASCE), Asst. Prof. in Civ. Engrg.; Univ. of California, Berkeley, CA,
Richard Kingner, Peace Corps; formerly, Grad. Student, Univ. of California, Berkeley, CA,

Serial Information: Journal of the Structural Division, 1970, Vol. 96, Issue 9, Pg. 1919-1932

Document Type: Journal Paper

Discussion: Masur Ernest F. (See full record)
Discussion: Krajcinovic Dusan (See full record)

Abstract: A general numerical procedure for the determination of lateral-torsional critical buckling loads for elastic beams of singly symmetric I-section is presented. The procedure mades use of finite element techniques, and is applicable to beams with arbitrary vertical and lateral supports and arbitrary loading. Expressions for elastic and geometric stiffnesses are developed, the solution of the eigenvalue problem is considered, and examples are presented. The method can be extended to the inelastic case.

Subject Headings: Elastic analysis | Steel beams | Lateral loads | Arbitration | Numerical methods | Torsion | Critical loads |

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