Seismic Behavior of Steel Column Base with Slip-Friction Connections
| Autor: | Qi Liu, Gongwen Li, Chengyu Li |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Computer science
0211 other engineering and technologies column base 020101 civil engineering 02 engineering and technology Slip (materials science) lcsh:Technology Article 0201 civil engineering Finite element simulation Design objective Axial compression General Materials Science lcsh:Microscopy lcsh:QC120-168.85 021110 strategic defence & security studies lcsh:QH201-278.5 business.industry lcsh:T hysteretic behavior Structural engineering Dissipation slip-friction connection lcsh:TA1-2040 damage-free energy dissipation lcsh:Descriptive and experimental mechanics lcsh:Electrical engineering. Electronics. Nuclear engineering business lcsh:Engineering (General). Civil engineering (General) lcsh:TK1-9971 |
| Zdroj: | Materials, Vol 13, Iss 3986, p 3986 (2020) Materials Volume 13 Issue 18 |
| ISSN: | 1996-1944 |
| Popis: | Traditional rigid column base connections are damaged to different degrees after an earthquake and the damage is generally nonrecoverable. Thus, the cost of repairing or dismantling is quite high. A new type of slip-friction column base connection is proposed in this paper, which aims to replace the yielding energy dissipation of the traditional column base connection by the sliding friction energy dissipation between the arc endplates, thus achieving the design objective of damage-free energy dissipation. Finite element simulation was conducted to study the hysteretic performance of the proposed connections considering different axial compression ratios. The research indicates that both kinds of the proposed connections show good energy dissipation behavior and the increase of axial compression force can increase the energy dissipation ability. It also shows that the two kinds of connections can achieve the objective of damage-free energy dissipation. For the proposed connection, future research is still needed such as corresponding tests in the laboratory, the effect of the connection on the whole structure, and the re-centering systems for the connections. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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