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Cyclic Behavior of Diagrid Nodes with H-Section Braces

Authors
Kim, Young-JuJung, In-YongJu, Young-KyuPark, Soon-JeonKim, Sang-Dae
Issue Date
9월-2010
Publisher
ASCE-AMER SOC CIVIL ENGINEERS
Keywords
Diagrid nodes; Tall buildings; Cyclic test; Hysteresis characteristics; Energy dissipation
Citation
JOURNAL OF STRUCTURAL ENGINEERING, v.136, no.9, pp.1111 - 1122
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF STRUCTURAL ENGINEERING
Volume
136
Number
9
Start Page
1111
End Page
1122
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/115806
DOI
10.1061/(ASCE)ST.1943-541X.0000203
ISSN
0733-9445
Abstract
In recent years, the number of tall buildings being constructed has been rapidly increasing worldwide. Some buildings have been constructed with triangular exterior structural members, known as diagrid systems, which have been developed for structural effectiveness and architectural aesthetics. Although more buildings with diagrid systems have been proposed and have been entered in design competitions, few studies have been carried out on the behavior of diagrid systems or diagrid nodes. Most important, the fabrication of diagrid nodes has been very difficult due to the relatively complex geometry and costly connections of the diagrid system. In this study, a new type of diagrid structural system node was proposed and tested cyclically for lateral loads such as earthquake and wind. Based on the test results, the cyclic performance for diagrid nodes is discussed with an emphasis on the hysteresis characteristics, welding methods, and failure modes.
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공과대학 (건축사회환경공학부)
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