Plastic Design of Flexible Conduits

by James M. Doyle,
Shih-Lung Chu,


Serial Information: Journal of the Structural Division, 1968, Vol. 94, Issue 8, Pg. 1935-1944


Document Type: Journal Paper

Discussion: (See full record)

Abstract: A design procedure for circular underground flexible conduits is presented. The method is based on the formation of a collapse mechanism in contrast to the deflection criterion which is widely used at present. In order to locate the points of maximum bending moment, the loading conditions assumed by Spangler are used, with some modification, and the structure is analyzed elastically. Plastic hinges are assumed at these points and the thickness required to maintain equilibrium is calculated.

Subject Headings: Conduits | Elastic analysis | Plastic hinges | Plastic design | Buried pipes | Displacement (mechanics) | High-rise buildings | Bending (structural)

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