VULNERABILITY OF STRUCTURAL SYSTEMS PART 1: RINGS AND CLUSTERS
作者:
XIN WU,
DAVIDI. BLOCKLEY,
NORMANJ. WOODMAN,
期刊:
Civil Engineering Systems
(Taylor Available online 1993)
卷期:
Volume 10,
issue 4
页码: 301-317
ISSN:0263-0257
年代: 1993
DOI:10.1080/02630259308970130
出版商: Taylor & Francis Group
关键词: Vulnerability;failure;structures;structural rings;systems engineering;robustness;hierarchy;clusters;damage
数据来源: Taylor
摘要:
A theory of structural vulnerability is developed and presented in two linked papers, initially for two dimensional frame structures. The purpose of the theory is to enable the identification of the most vulnerable parts of a structural system so that they may be suitably protected and monitored. In Part 1 a graph model is used to analyse various load paths and loops within a structure. The most important new concept presented is that of a structural ring. A structural system is represented at various hierarchical levels of definition in terms of clusters of structural rings. A measure of the quality of well-formedness of structural rings and clusters is developed which in Part 2 will be used as a quantitative estimate of structural vulnerability.
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