Analytical Investigation on Ultimate Behaviors for Steel Heavy Clip-angle Connections Using FE Analysisopen access
- Authors
- Hu, Jong Wan; Leon, Roberto T.; Park, Taehyo
- Issue Date
- Apr-2010
- Publisher
- IRON STEEL INST JAPAN KEIDANREN KAIKAN
- Keywords
- finite element (FE) analysis; heavy clip-angle connection; tension bolts; bolt pretension; prying force
- Citation
- ISIJ INTERNATIONAL, v.50, no.6, pp.883 - 892
- Indexed
- SCIE
SCOPUS
- Journal Title
- ISIJ INTERNATIONAL
- Volume
- 50
- Number
- 6
- Start Page
- 883
- End Page
- 892
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175152
- DOI
- 10.2355/isijinternational.50.883
- ISSN
- 0915-1559
- Abstract
- This paper describes an analytical investigation on the strength, stiffness, and mechanical behavior of heavy clip-angle connections subjected to static loading. The work is based on the results of a large experimental investigation into the cyclic behavior of connection components incorporating with thick clip-angles. The results of these tests are described first, and then methodologies to generate the response of connection components, utilizing nonlinear finite element (FE) models with the advanced modeling methods such as the pretension force in the bolts and the interaction between two contact surfaces, are presented in this study. Numerical test results obtained from FE analyses are compared with experimental test results in an effort to verify that 3D FE models can simulate the overall and detailed behavior of a various type of clip-angle connections accurately. These FE models provide useful instrumentation, which is difficult to obtain during an experiment, such as the distribution of the plastic strain, prying forces induced by the initial bolt pretension, and friction forces on the interface between a clip-angle and a steel beam. These valuable results can support the basic knowledge for developing strength models consistent with the AISC-LRFD component method of the clip-angle design. They are also utilized to better understand the parametric effect of connection components and achieve a comprehensive study of their behavior.
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