[1]左卫广,张晓雷,樊天慧,等.波浪和单驳船联合作用下沉管沉放的安全性分析[J].哈尔滨工程大学学报,2020,41(7):973-977.[doi:10.11990/jheu.201904015]
 ZUO Weiguang,ZHANG Xiaolei,FAN Tianhui,et al.Security of tunnel immersion under waves and a single barge[J].hebgcdxxb,2020,41(7):973-977.[doi:10.11990/jheu.201904015]
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波浪和单驳船联合作用下沉管沉放的安全性分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
41
期数:
2020年7期
页码:
973-977
栏目:
出版日期:
2020-07-05

文章信息/Info

Title:
Security of tunnel immersion under waves and a single barge
作者:
左卫广12 张晓雷12 樊天慧34 陈建12
1. 华北水利水电大学 水利学院, 河南 郑州 450045;
2. 水资源利用与保障工程河南省协同创新中心, 河南 郑州 450045;
3. 华南理工大学 土木与交通学院, 广东 广州 510640;
4. 广东省船舶与海洋工程技术研究开发中心, 广东 广州 510640
Author(s):
ZUO Weiguang12 ZHANG Xiaolei12 FAN Tianhui34 CHEN Jian12
1. School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450045, China;
2. Collaborative Innovation Center of Water Resources Efficient Utilization and Protection Engineering in He’nan Province, Zhengzhou 450045, China;
3. School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China;
4. Naval Architecture and Ocean Engineering R&D Center of Guangdong Province, Guangzhou 510640, China
关键词:
沉管管段单驳船缆绳张力频谱分析低频波频升沉运动谱密度
分类号:
U661.73
DOI:
10.11990/jheu.201904015
文献标志码:
A
摘要:
针对沉管管段在水下沉放的安全性问题,本文对沉管-单驳船系统在波浪作用下的动力响应进行了物理模型试验,并应用Welch方法对连接沉管与水面驳船的缆绳受力等安全性问题进行频谱分析。探讨了不同有效周期和波高情形下缆绳张力频谱特性。结果表明:采用单驳船沉放方式情形下的缆绳受力均大于零,未出现松弛现象,且缆绳受力均小于固定平台沉放情形;缆绳张力低频分量频率与沉管-单驳船系统固有频率相同。最后,确定单驳船-沉管系统中升沉运动对缆绳安全性有较大影响,并给出加设调节缆绳等施工建议。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-04-03。
基金项目:国家自然科学基金项目(51709118,51579103);广州市科技计划项目(201804010482);海洋工程国家重点实验室(上海交通大学)开放基金项目(1708);海岸和近海工程国家重点实验室(大连理工大学)开放基金项目(LP1805);广东省海洋经济发展重点项目(GDME-2018B003).
作者简介:左卫广,男,讲师,博士;樊天慧,男,副研究员.
通讯作者:樊天慧,E-mail:fanth@scut.edu.cn.
更新日期/Last Update: 2020-08-15