Simplified Diaphragm Analysis

by J. Michael Davies, Reader in Civ. Engrg.; Univ. of Salford, Salford, England,

Serial Information: Journal of the Structural Division, 1977, Vol. 103, Issue 11, Pg. 2093-2109

Document Type: Journal Paper


A simplified analysis of light gage steel diaphragms is described whereby a diaphragm may be reduced to a plane framework of prismatic members and analyzed using any readily available computer program for the analysis of plane frames. Suitable programs are to be found at most computer installations. The analysis is extended to include irregular diaphragms such as those containing large openings and is justified by comparison with finite element analysis. Considerationis also given to elastic-plastic analysis and comparison with selected experimental results is included.

Subject Headings: Elastic analysis | Steel frames | Finite element method | Diaphragms (structural) | Computer software | Comparative studies | Computer analysis

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