地震行波作用下埋地管道弯曲变形分析  

ANALYTICAL STUDY ON BENDING DEFORMATION OF BURIED PIPELINES UNDER SEISMIC WAVE

作　　者：翟贺[1] 李鹏程[1] 李志明[1] 

机构地区：[1]中冶建筑研究总院有限公司,北京100088

出　　处：《防灾减灾学报》2014年第1期16-19,共4页Journal of Disaster Prevention And Reduction

摘　　要：在文克勒弹性地基模型基础上,借鉴波动理论原理,对在地震行波作用下仅考虑弯曲变形埋地管线的地震反应进行分析,理论推导得到管道变形、应变公式。计算结果表明,埋地管道对地震作用的反应以轴向变形为主,轴向变形的幅度大大超过了弯曲变形。Based on the Winkler elastic foundation model, the bending deformation of buried pipelines subject to seismic wave propagation is studied. Analytical formulas to deformation and strain of buried pipelines are derived. The results reveal that the axial response of buried pipelines is much larger than the bending response subject to seismic waves.

关 键 词：埋地管线 地震行波 弯曲分析 解析公式 

分 类 号：P315.9[天文地球—地震学]