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http://dx.doi.org/10.12652/Ksce.2018.38.2.0349

Development of Connection Model based on FE Analysis to Ensure Stability of Steel Storage Racks  

Heo, Gwanghee (Konyang University)
Kim, Chunggil (Konyang University)
Yu, Darly (Konyang University)
Jeon, Jongsu (Andong National University)
Lee, Chinok (Chungnam National University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.38, no.2, 2018 , pp. 349-356 More about this Journal
Abstract
This paper attempts to develop a connection model based on FE analysis that can be applied to the evaluation of earthquake fragility of Steel Storage Racks lacking research in Korea. In order to accomplish this goal, shaking table tests, modal tests, and various member tests (8 case, push-over test) for structural members have been conducted to understand the behavior of steel storage racks. Based on the experimental results, detailed modeling of the joints was conducted using the NX-Nastran program in order to develop a connection model for Steel storage racks to be applied to the seismic vulnerability assessment. Especially, surface to surface contact element and spring element are applied to simulate the connection between the column member and the beam member connected by the simple latch method. Spring element model developed and applied ARX (Auto Regressive eXogenous) based mathematical model. The simulation results based on the FE model showed excellent reliability with a mutual error rate of less than 8% when compared with the member test results. As a result, it was confirmed that the FE model based connection model developed in the study can be applied to the analytical model for the seismic vulnerability assessment of Steel storage racks.
Keywords
Steel storage racks; FE analysis; Connection model; Shaking table test; Pushover test;
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