Seismic behavior of a buried gas pipeline under earthquake excitations

被引：68

作者：

Lee, Do Hyung ^{[1
]}

Kim, Byeong Hwa ^{[2
]}

Lee, Hacksoo ^{[3
]}

Kong, Jung Sik ^{[3
]}

机构：

[1] Paichai Univ, Dept Civil Environm & Railrd Engr, Taejon 302735, South Korea

[2] Kyungnam Univ, Dept Civil Engn, Masan 631701, Kyungnam, South Korea

[3] Hannam Univ, Dept Civil & Environm Engn, Sch Engn, Taejon 306791, South Korea

来源：

ENGINEERING STRUCTURES | 2009年 / 31卷 / 05期

关键词：

Buried pipeline; Earthquake analysis; Deformation capacity; Soil type; Pipeline bend; GROUND MOTION;

D O I：

10.1016/j.engstruct.2008.12.012

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Earthquake time-history analyses have been performed for a buried gas pipeline of API 5L Grade X65, which is popularly used in Korea. For this purpose, various parameters such as the type of buried gas pipeline, end-restraint conditions, soil characteristics, single and multiple earthquake input ground motions, and burial depths are selected. A comparative study has been performed to obtain the response characteristics of strains in a buried pipeline section, axial relative displacement, and transverse relative displacement. The capacity evaluation of the pipeline with respect to the response characteristics has been performed in comparison with the allowable strain and displacement capacity in axial and transverse directions, as suggested by the Guidelines for the Seismic Design of Buried Gas Pipelines, KOGAS. The present study is expected to provide useful information for an effective seismic evaluation of a buried gas pipeline. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1011 / 1023

页数：13

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