Experimental investigation of the cyclic behavior of nodes in diagrid structures

Young J. Kim, Myeong H. Kim, In Yong Jung, Young-Kyu Ju, Sang Dae Kim

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The diagrid nodes that are designed to be installed in the Lotte Super Tower located in Seoul, South Korea were examined experimentally. This paper aims to investigate the cyclic behavior of the diagrid nodes under lateral loads, such as wind load or seismic load and to suggest the details and welding methods of nodes for application to an actual building based on test results. Two types of specimens were developed and tested cyclically. The PA type utilized an open-section layout for the node, whereas the PB type utilized a box-section layout for the node. Based on the test results, the cyclic performance for diagrid nodes was discussed with an emphasis on the initial stiffness, strength, and welding methods.

Original languageEnglish
Pages (from-to)2134-2144
Number of pages11
JournalEngineering Structures
Volume33
Issue number7
DOIs
Publication statusPublished - 2011 Jul 1

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Welding
Towers
Stiffness

Keywords

  • Cyclic test
  • Diagrid node
  • Hysteretic behavior
  • Welding method

ASJC Scopus subject areas

  • Civil and Structural Engineering

Cite this

Experimental investigation of the cyclic behavior of nodes in diagrid structures. / Kim, Young J.; Kim, Myeong H.; Jung, In Yong; Ju, Young-Kyu; Kim, Sang Dae.

In: Engineering Structures, Vol. 33, No. 7, 01.07.2011, p. 2134-2144.

Research output: Contribution to journalArticle

Kim, Young J. ; Kim, Myeong H. ; Jung, In Yong ; Ju, Young-Kyu ; Kim, Sang Dae. / Experimental investigation of the cyclic behavior of nodes in diagrid structures. In: Engineering Structures. 2011 ; Vol. 33, No. 7. pp. 2134-2144.
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