Stresses Around Flexible Elliptic Pipes

by John F. Abel, (A.M.ASCE), Res. Assoc. and Lect. in Civ. Engrg.; Princeton Univ., Princeton, NJ,
Robert Mark, Prof. of Civ. Engrg. and Arch.; Princeton Univ., Princeton, NJ,
Rowland Richards, Jr., (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Delaware, Newark, DE,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1973, Vol. 99, Issue 7, Pg. 509-526

Document Type: Journal Paper


Experimental and finite element techniques are used to study the effect of such factors as interface slippage on the elastic soil-structure interaction of long-span, flexible, elliptic culverts and underpasses. The two-dimensional analyses of both a deeply buried pipe under distributed loading and a shallow conduit under concentrated loading indicate that the soil can be the basic load-supporting component of the system, as has been observed earlier for circular pipes. The experimental work is possibly the first application of the combined holographic-interferometric and photoelastic approach to a practical civil engineering problem.

Subject Headings: Concentrated loads | Load distribution | Flexible pipes | Two-dimensional analysis | Soil analysis | Pipelines | Finite element method | Elastic analysis

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