Analytical Study of Appropriate Design for High-Grade Induction Bend Pipes Subjected to Large Ground Deformation-Reference-Cited by-同舟云学术

Analytical Study of Appropriate Design for High-Grade Induction Bend Pipes Subjected to Large Ground Deformation

Published:2004-11-01 Issue:4 Volume:126 Page:376-383
ISSN:0892-7219
Container-title:Journal of Offshore Mechanics and Arctic Engineering
language:en
Short-container-title:

Author:

Yatabe Hiroshi¹,Fukuda Naoki¹,Masuda Tomoki¹,Toyoda Masao²

Affiliation:

1. Pipeline Technology Center, Tokyo Gas Co., Ltd., 1-7-7, Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, Japan

2. Osaka University, 2-1, Yamada-oka, Suita, 565-0871, Japan

Abstract

In order to clarify the significant parameters to control the deformability of high-grade induction bend pipes, finite element analyses simulating the deformation behavior subjected to an internal pressure and bending moment were carried out. Parametric studies were conducted using the finite element models with various mechanical properties and geometric imperfections. The change in the integrity of the buried pipeline due to the quality of the induction bend pipe was then quantitatively examined. Consequently, this study indicated that the mechanical properties, the dimensions and tolerance and the properties of the “transition” part should be appropriately designed in proportion to the ground deformation.

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Link

http://asmedigitalcollection.asme.org/offshoremechanics/article-pdf/126/4/376/5635371/376_1.pdf

Reference18 articles.

1. Japan Gas Association, 2000, “Recommended Practice for Earthquake-Resistant Design of High Pressure Gas Pipeline” (in Japanese).

2. Japan Gas Association, 2001, “Recommended Practice for Design of Gas Pipelines in Areas Subjected to Liquefaction” (in Japanese).

3. Japan Gas Association, 1984, “Nihonkai-Chubu Earthquake and the City Gas” (in Japanese).

4. Suzuki, N., and Nasu, M., 1989, “Nonlinear Analysis of Welded Elbows Subjected to In-Plane Bending,” Computers & Structures, Pergamon Press, Vol. 32, pp. 871–881.

5. Yoshizaki, K., Hosokawa, N., Ando, H., Oguchi, N., Sogabe, K., and Hamada, M., 1999, “Deformation Behavior of Buried Pipelines With Elbows Subjected to Large Ground Displacement,” JSCE J. Struct. Mech. Earthquake Eng., 626, pp. 173–184 (in Japanese).

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