Experimental and Analytical Study of Cold Bending Process for Pipelines-Reference-Cited by-同舟云学术

Experimental and Analytical Study of Cold Bending Process for Pipelines

Published:2003-04-16 Issue:2 Volume:125 Page:153-157
ISSN:0892-7219
Container-title:Journal of Offshore Mechanics and Arctic Engineering
language:en
Short-container-title:

Author:

Fukuda Naoki¹,Yatabe Hiroshi¹,Kawaguchi Shinobu¹,Watanabe Takahito¹,Masuda Tomoki¹

Affiliation:

1. Pipeline Engineering Research Laboratory, Tokyo Gas Co., Ltd., 1-7-7, Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, Japan

Abstract

The behavior during the cold bending of pipelines was experimentally and analytically investigated. Full-scale cold bending experiments were performed on API X60 and X80 grade line pipes. Finite element (FE) analyses simulated the cold bending process by considering the contact interactions between a pipe and the components of the bending machine. The results of the simulation were in good agreement with the full-scale experiments. The stress-strain relationship and yield to tensile ratio (Y/T) had no obvious effect on the strain distribution after cold bending. The tensile tests quantitatively evaluated the decrease in the yield stress along the longitudinal direction on the cold bends due to the Bauschinger effect.

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Link

http://asmedigitalcollection.asme.org/offshoremechanics/article-pdf/125/2/153/5540721/153_1.pdf

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