李昕

个人信息Personal Information

教授

博士生导师

硕士生导师

主要任职:基建处处长

其他任职:海岸和近海工程国家重点实验室副主任

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:水利工程系

学科:水工结构工程. 港口、海岸及近海工程. 防灾减灾工程及防护工程

办公地点:综合实验楼4号,207房间

联系方式:lixin@dlut.edu.cn

电子邮箱:lixin@dlut.edu.cn

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Interaction identification for corroded steel pipeline with colonies of defects

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论文类型:会议论文

发表时间:2013-06-30

收录刊物:EI、Scopus

页面范围:414-419

摘要:The finite element models of corroded pipelines with colony of defects composed of two longitudinal or circumferential aligned defects, and four defects arranged in rhombus shape are established and validated, respectively. Considering the different longitudinal and circumferential spacings between defects, the cases related to 13 types of colony of defects are computed. Based on the ratio of failure pressure of each case to the failure pressure of corresponding base case, the interaction between defects is determined. Then for X80 steel, a new interaction rule is proposed. Copyright ? 2013 by the International Society of Offshore and Polar Engineers (ISOPE).