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浙江大学学报(工学版)
浙江大学学报(工学版)
石油工程     
深水铺管垂弯段屈曲状态的原型监测方法
洪非, 武文华, 杜宇, 毕祥军
大连理工大学 工业装备结构分析国家重点实验室, 辽宁 大连 116024
Prototype monitoring research of bucking state made of segbend section for deepwater S lay installation
HONG Fei, WU Wen hua, DU Yu, BI Xiang jun
State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China
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摘要：

为了确保海底管道铺设过程中垂弯段管道的安全性,发展了面向深水S型铺设悬垂段屈曲失效评价的原型监测方案.针对水下管道的状态无法直接测量的难点,提出在现场将托管架、张紧器等结构的铺设状态参数与铺设水深等参量作为监测信息,由监测信息直接或间接地计算垂弯段管道的轴力、弯矩等力学参数的原型监测方案.通过算例结果的对比分析,由监测参数求得的垂弯段的轴力、弯矩与文献［16］的结果接近,弯矩最大值的相对误差在5％以内,满足评价要求,验证了拟定原型监测方案的有效性和可行性.利用计算得到的轴力与弯矩,结合管道的局部屈曲极限准则,给出对垂弯段管道屈曲评价的算例.
Abstract:

A proto type monitoring strategy was developed facing to the safety assessment of bucking behavior segbend section of deep water pipeline in S lay installation process in order to ensure the safety of the pipe. Regarding to the difficulties of state parameter of pipeline for underwater measurements, the monitoring information were decided in the stinger, tensioner, water depth etc. Mechanical parameters such as the axial force, bending moment related to bending failure modes can be directly determined or indirectly illustrated by the prototype monitoring information. Two examples were given by the comparison of the axial force and bending moment between calculated monitoring parameters and the results presented in literature ［16］. The relative errors of bending moments were less in 5% and met the requirements of evaluation of segbend safety. The good agreements showed the validities and feasibilities of present monitoring scheme in providing safety assessment of segbend section of pipeline during S lay installation process. A numerical example was given to evaluate the buckling state of pipeline in the segbend section by using the axial force and bending moment of the case and combining to the pipeline local bucking criteria.
出版日期: 2015-10-29
:  TE 973  
基金资助:

国家自然科学基金资助项目（11572072）；国家“973”重点基础研究发展规划资助项目（2014CB046803）；创新研究群体研究基金资助项目(51221961).
通讯作者: 武文华,男,副教授.ORCID：0000 0002 4045 9014.     E-mail: lxyuhua@dlut.edu.cn
作者简介: 洪非（1989—）,男,硕士生,从事海洋工程结构的监测研究.ORCID: 0000 0001 9505 3655. E-mail: hf.206.ok@163.com
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引用本文:

洪非, 武文华, 杜宇, 毕祥军. 深水铺管垂弯段屈曲状态的原型监测方法[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008 973X.2015.10.027.

HONG Fei, WU Wen hua, DU Yu, BI Xiang jun. Prototype monitoring research of bucking state made of segbend section for deepwater S lay installation. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008 973X.2015.10.027.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008 973X.2015.10.027    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I10/2018

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