Direct Design of Optimum Indeterminate Trusses

by L.M. Laushey,

Serial Information: Journal of the Structural Division, 1958, Vol. 84, Issue 8, Pg. 1-35

Document Type: Journal Paper


Method concentrates on design, not on mathematical analysis of trial structure; principle of potential work is introduced to obtain maximum compatible stresses for bars; redundants are selected to yield minimum weight of truss; final bar areas follow directly by dividing forces in static equilibrium by stresses satisfying continuity; relative weights of alternative structures and optimum structure are revealed by direct design method.

Subject Headings: Minimum weight design | Stress analysis | Trusses | Bars (structure) | Mathematics | Equilibrium

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