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工程结构的余度衡准及发展
引用本文:魏东,张圣坤.工程结构的余度衡准及发展[J].力学与实践,1999,21(4):17-23.
作者姓名:魏东  张圣坤
作者单位:上海交通大学船舶及海洋工程学院 上海交通大学船舶及海洋工程学院
摘    要:近年来发生的许多事故表明,按传统方法设计和评定工程结构不能保证其损伤后的安全性,人们试图引入新的余度衡准来解决这一问题.余度密准的概念和定义十分繁杂,并且还在不断发展之中,本文给出了余度的定义,对各种分度衡准进行了归纳分类,评述和研究了它们的特点及应用,并讨论了与余度相关的几个概念.

关 键 词:余度  剩余强度  储备强度  系统可靠性  
收稿时间:2006-07-20

REDUNDANT CRITERIA OF ENGINEERING STRVCTURE AND ITS DEVELOPMENT
WEI Dong, ZHANG Shengkun.REDUNDANT CRITERIA OF ENGINEERING STRVCTURE AND ITS DEVELOPMENT[J].Mechanics and Engineering,1999,21(4):17-23.
Authors:WEI Dong  ZHANG Shengkun
Abstract:Recent, accidents show that traditional design and assessment of engineering structures could not gUarantee their safety after damaged. People try to introduce new redundant criteria to solve the problem.The concept and definition of redundant criteria are very complicated and on the development. Redundancy is defined in this article. Varied redundant criteria are classified, their characteristics and applications are also reviewed. Finally we discuss some concepts related to redundancy.
Keywords:redundancy  residual strength  reserve strength  system reliability
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