Elastic Analysis of Frameworks with Elastic Connections

by Edgar Lightfoot, Lect. in Engrg. Sci.; Oxford Univ., Oxford, U.K., and Fellow of Pembroke Coll., Oxford, U.K.,
Andrew P. Le Messurier, Res. Student; Dept. of Engrg. Sci., Oxford Univ., Oxford, U.K.,

Serial Information: Journal of the Structural Division, 1974, Vol. 100, Issue 6, Pg. 1297-1309

Document Type: Journal Paper


Rectilinear plane and space frame with elastic connections occur in building frames; and with diagonal bracings, they also occur in scaffolding. The matrix stiffness analysis of the general space frame is developed for linear elastic connections related to every possible displacement at the end of each member. Correction matrices are also derived for modifying the usual rigid joint analysis. Examples are given of the elastic analysis of a plane framework and a simple space portal allowing for various elastic connections at the ends of some or all of the members.

Subject Headings: Elastic analysis | Space frames | Connections (structural) | Matrix (mathematics) | Linear analysis | Bracing | Falsework and scaffolds | Stiffening

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