Discrete Field Stability Analysis of Latticed Towers

by R. Richard Avent, Louisiana State Univ, United States,
Raja R. A. Issa, Louisiana State Univ, United States,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing


The design of latticed towers is often controlled by the stability of the overall system as opposed to local member buckling. The purpose of this paper is to develop an elastic stability analysis for both planar and three dimensional X-braced truss towers using the techniques of discrete field mechanics. The use of discrete field mechanics offers several advantages over alternative approaches for the structural analysis of latticed systems. The foremost of these advantages are that the discrete mathematical model is usually 'exact' in the sense of linear elastic, small deflection theory, thus yielding very accurate results. The solution forms are independent of the number of joints in the system thus allowing the user to avoid having to solve large systems of equations for eigenvalues as is usually the case with other elastic stability analysis methods.

Subject Headings: Three-dimensional analysis | System analysis | Model accuracy | Elastic analysis | Critical loads | Structural stability | Plastic design | Load and resistance factor design

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