采空区地表移动盆地对埋地管道的影响分析  

Effect of Subsidence Trough at Goaf Zone on Buried Pipeline

作　　者：王鸿[1] 张弥[1] 常怀民[1] 

机构地区：[1]中国石油天然气管道工程有限公司,河北廊坊065000

出　　处：《石油工程建设》2008年第2期23-26,共4页Petroleum Engineering Construction

摘　　要：分析了采空区地表移动盆地的形成原因和对埋地管道的影响,根据相关公式,对水平矿层地表移动盆地的最大沉降量、移动盆地主断面轴线长度等边界特征值进行了计算。同时,参照有关石油行业标准,对一定长度下管道允许的最大沉降量进行计算,并列举了具体算例。通过移动盆地的最大沉降量与管道允许的最大沉降量的比较,初步判定管道的安全性。The forming reason of subsidence trough at goaf zone and its effect on buried pipeline are analyzed.The boundary characteristic values such as the maximum subsidence and the length of main sectional axis of subsidence trough at horizontal ledge are calculated according to relevant formulas,the allowable maximum subsidence of pipeline in a certain pipeline length is also calculated referring to relevant petroleum industry standard,and a practical calculation example is presented.By comparing the maximum subsidence of subsidence trough with the allowable maximum subsidence of pipeline,the pipeline safety is preliminarily evaluated.

关 键 词：采空区 地表移动盆地 埋地管道 安全分析 

分 类 号：TE973[石油与天然气工程—石油机械设备]