[1]程永舟,杨董为,鲁显赫,等.斜向波作用下斜坡海床上管线三维冲刷特性[J].哈尔滨工程大学学报,2018,39(05):863-869.[doi:10.11990/jheu.201611047]
 CHENG Yongzhou,YANG Dongwei,LU Xianhe,et al.Characteristics of the three-dimensional scour of pipelines on slope seabeds under the action of oblique waves[J].hebgcdxxb,2018,39(05):863-869.[doi:10.11990/jheu.201611047]
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斜向波作用下斜坡海床上管线三维冲刷特性(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年05期
页码:
863-869
栏目:
出版日期:
2018-05-05

文章信息/Info

Title:
Characteristics of the three-dimensional scour of pipelines on slope seabeds under the action of oblique waves
作者:
程永舟12 杨董为1 鲁显赫1 黄筱云12 夏波12
1. 长沙理工大学 水利工程学院, 湖南 长沙 410114;
2. 长沙理工大学 水沙科学与水灾害防治湖南省重点实验室, 湖南 长沙 410114
Author(s):
CHENG Yongzhou12 YANG Dongwei1 LU Xianhe1 HUANG Xiaoyun12 XIA Bo12
1. School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China;
2. Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha University of Science & Technology, Changsha 410114, China
关键词:
海底管线冲刷斜坡海床斜向波波高周期最大冲刷深度沙纹
分类号:
TV14
DOI:
10.11990/jheu.201611047
文献标志码:
A
摘要:
海底斜坡的存在必然改变波浪对管线及海床的作用特性,进而影响管线三维冲刷。为了研究斜坡上海底管线三维冲刷特性,本文基于波浪港池实验,考虑规则波的作用,采用中值粒径为0.22 mm的原型沙铺设与波浪传播方向成45°夹角的1∶15斜坡,通过测量近岸波高变化和管线下方最大冲刷坑深度的差异,分析波高和周期对最大冲刷坑深度、范围的影响。结果表明:管道的存在加剧了水体紊动程度,对海床演变影响很大;波高增大时,沙纹自左向右、自近岸向深海发展,且尺度加大,管道沿程冲刷深度右侧大于左侧;周期增大时,沙纹尺度增加且较为规整,管底的最大冲刷坑深度加大,形成管后淤积,但对左右侧冲刷深度变化影响不大。

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备注/Memo

备注/Memo:
收稿日期:2016-11-14。
基金项目:国家自然科学基金项目(51679015,41176072);湖南省水利科技项目(湘水科计[2015]13-20);湖南省自然科学基金项目(2015JJ2006).
作者简介:程永舟(1974-),男,教授,博士生导师.
通讯作者:程永舟,E-mail:chengyongzhou@163.com.
更新日期/Last Update: 2018-05-19