Seismic behavior of a friction‑type artifcial plastic hinge for the precast beam–column connection

0561482 - ÚTAM 2023 RIV PL eng J - Journal Article
Huang, H. - Li, M. - Zhang, Wei - Yuan, Y.
Seismic behavior of a friction‑type artifcial plastic hinge for the precast beam–column connection.
Archives of Civil and Mechanical Engineering. Roč. 22, č. 4 (2022), č. článku 201. ISSN 1644-9665. E-ISSN 2083-3318
Institutional support: RVO:68378297
Keywords : precast concrete structures * beam–column connection * artifcial plastic hinge * friction energy dissipation * seismic performance * cycle loading
OECD category: Civil engineering
Impact factor: 4.4, year: 2022
Method of publishing: Limited access
https://doi.org/10.1007/s43452-022-00526-1

This paper proposed a replaceable friction-type artifcial plastic hinge (FAPH) to connect the prefabricated concrete members,
characterized by direct load transmission and streamlined confguration. The FAPH device replaced the beam-end plastic
hinge region in the precast structures, which could protect the concrete joint core area and other concrete components. The
experiment of a precast beam–column connection with FAPH and a cast-in-situ beam–column connection was carried out.
The experimental results showed that the FAPH connection had better hysteresis performances with higher bearing capacity,
energy dissipation, and ductility than the cast-in-situ concrete connection. Moreover, the fnite element model was calibrated
and employed to perform parametric analyses, including the axial load ratio, the friction factor, the bolt preload, and the
initial clearance. The FE analysis results showed that the FAPH connection would have a more attenuation of the friction
force under the higher axial load ratio. Besides, the seismic performance of FAPH can be efectively improved with the
increase of the friction factor and the bolt preload, and the FAPH connection exhibited a stable performance with various
initial clearances. Based on the parametric analysis results, the formulas for the yield and peak bending moment capacity
for the FAPH device were proposed.
Permanent Link: https://hdl.handle.net/11104/0334079