Strengthening Details for Low-Damage Seismic Dissipative Beam-to-Column Joints in Case of Column Loss Scenario

[en] Low-damage beam-to-column steel joints equipped with friction de- vices have been recently prequalified for European applications within FREEDAM and FREEDAM+ research projects. Despite their excellent seismic performance, these joints may exhibit limited ductility in the case of column loss scenarios. Therefore, a numerical study has been conducted to investigate the behavior of this type of joint under column removal utilizing refined finite ele- ment simulations. The results for the seismically prequalified configurations con- firmed poor ductile behavior due to the premature failure of the upper T-stub connecting the beam flange to the column flange. Therefore, a local strengthening solution was designed to enhance the T-stub ductility without interfering with the joint seismic performance. The effectiveness of the adopted solution was numer- ically investigated by means of refined numerical model. The performed analyses showed that the designed strengthening details allow for increasing the ductility of the whole connection without modifying the flexural resistance of the joints.

Disciplines :

Civil engineering

Author, co-author :

Carlevaris, Roberto

Tartaglia, Roberto

D’Aniello, Mario

Landolfo, Raffaele

Golea, Tudor ; Université de Liège - ULiège > Urban and Environmental Engineering

Demonceau, Jean-François ; Université de Liège - ULiège > Urban and Environmental Engineering

Jaspart, Jean-Pierre ; Université de Liège - ULiège > Département ArGEnCo > Adéquation des structures de génie civil aux exigences de fontionnement et de performances technico-économiques

Latour, Massimo

Piluso, Vincenzo

Language :

English

Title :

Strengthening Details for Low-Damage Seismic Dissipative Beam-to-Column Joints in Case of Column Loss Scenario

Publication date :

June 2024

Event name :

11th International Conference on Behaviour of Steel Structures in Seismic Areas

Event date :

June 2024

Audience :

International

Main work title :

Lecture Notes in Civil Engineering

Publisher :

Springer Nature Switzerland

ISBN/EAN :

978-3-03-162888-7
978-3-03-162887-0

Peer reviewed :

Peer reviewed

Additional URL :

https://link.springer.com/content/pdf/10.1007/978-3-031-62888-7_27

Available on ORBi :

since 04 July 2024

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Bibliography

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