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Buckling Behavior of Corrugated Steel Pipe under External Uniform Pressure  

Ahn, Woo Cheul (한국철도기술연구원)
Han, Taek Hee (고려대학교 토목환경공학과)
Lim, Nam Hyoung (고려대학교 토목환경공학과)
Kang, Young Jong (고려대학교 토목환경공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.15, no.1, 2003 , pp. 33-40 More about this Journal
Abstract
There are two basic concepts about concerning the buckling analysis of a buried pipe. One concept considers the soil around the pipe asn elastic continuum mediaum. The other concept holds that the pipe is sup ported by an elastic spring, which replaces the effects of the surrounding soil (the Winkler model). Theise buckling analysis is based on plane analysis, without considering the corrugation effect and the length effect. This paper thus presents a parametric study using the Finite Element Method (FEM) for the Winker model and proposes a buckling strength formula after examining a 3D analysis considering the corrugation effect and the length effect, thatwhichhelp in estimating the critical buckling strength of such CSP
Keywords
corrugated steel pipe; buckling strength; buried pipe;
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