经验公式计算某管道长江穿越冲刷深度的分析  

Scouring Depth Analysis of Pipeline Crossing through Yangtse River Using Empirical Formulas

作　　者：常怀民[1] 詹胜文[2] 

机构地区：[1]北京交通大学经济管理学院,北京100044 [2]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》2007年第5期16-18,共3页Petroleum Engineering Construction

摘　　要：在管道穿越河流过程中,设计洪水下河流的一般冲刷深度往往决定管道的埋设深度。一般冲刷是一种使下游河道自上而下发生的长距离冲刷,但随着冲刷的不断发展,河床沙粒径逐渐粗化,形成抗冲保护层限制冲刷发展,并将很快趋于稳定。河流的冲刷计算经验公式很多,文章简要介绍几个常用的公式,具体针对某管道工程长江穿越的断面进行计算,并对计算结果进行分析。In pipeline river crossing projects,the pipeline embedded depth is usually dependent on ordinary scouring depth,that is a kind of long distance scouring occurred downstream at riverbed under the design flood condition. With the scouring development,the average sand grain diameter at riverbed increases gradually and forms a protective layer against scouring,then the scouring tends to be stable. There are many empirical formulas for river scouring calculation. This paper introduces several formulas in common use and apply them to the cross-section calculations of the pipeline crossing through the Yangtse River and analyzes the calculated results.

关 键 词：管道 穿越 河流 冲刷深度 计算 

分 类 号：TE973[石油与天然气工程—石油机械设备]