Development of steel angles as energy dissipation devices for rocking connections

2018 ◽  
Vol 19 (6) ◽  
pp. 1657-1671 ◽  
Author(s):  
Rui Marreiros ◽  
Válter Lúcio ◽  
Stefano Pampanin
Keyword(s):  
Energy Dissipation ◽  
Steel Angles ◽  
Energy Dissipation Devices

Low-Cycle Fatigue Performance of Buckling Restrained Braces and Assessment of Cumulative Damage under Severe Earthquakes

2018 ◽  
Vol 763 ◽  
pp. 867-874
Author(s):  
Yu Shu Liu ◽  
Ke Peng Chen ◽  
Guo Qiang Li ◽  
Fei Fei Sun
Keyword(s):  
Fatigue Life ◽  
Energy Dissipation ◽  
Structural Reliability ◽  
Low Cycle Fatigue ◽  
Engineering Application ◽  
Fatigue Performance ◽  
Cycle Fatigue ◽  
Variable Amplitude ◽  
Buckling Restrained Braces ◽  
Energy Dissipation Devices

Buckling Restrained Braces (BRBs) are effective energy dissipation devices. The key advantages of BRB are its comparable tensile and compressive behavior and stable energy dissipation capacity. In this paper, low-cycle fatigue performance of domestic BRBs is obtained based on collected experimental data under constant and variable amplitude loadings. The results show that the relationship between fatigue life and strain amplitude satisfies the Mason-Coffin equation. By adopting theory of structural reliability, this paper presents several allowable fatigue life curves with different confidential levels. Besides, Palmgren-Miner method was used for calculating BRB cumulative damages. An allowable damage factor with 95% confidential level is put forward for assessing damage under variable amplitude fatigue. In addition, this paper presents an empirical criterion with rain flow algorithm, which may be used to predict the fracture of BRBs under severe earthquakes and provide theory and method for their engineering application. Finally, the conclusions of the paper were vilified through precise yet conservative prediction of the fatigue failure of BRB.

Resilient Design of Buildings with Hysteretic Energy Dissipation Devices as Seismic Fuses

2019 ◽  
pp. 77-103 ◽  
Author(s):  
Arturo Tena-Colunga ◽  
Héctor Hernández-Ramírez ◽  
Horacio de Jesús Nangullasmú-Hernández
Keyword(s):  
Energy Dissipation ◽  
Hysteretic Energy ◽  
Resilient Design ◽  
Energy Dissipation Devices

scholarly journals Editorial for Special Issue “Energy Dissipation and Vibration Control: Materials, Modeling, Algorithm, and Devices”

2020 ◽  
Vol 10 (2) ◽  
pp. 572 ◽  
Author(s):  
Gangbing Song ◽  
Hong-Nan Li ◽  
Steve C.S. Cai
Keyword(s):  
Energy Dissipation ◽  
Vibration Control ◽  
Active Vibration Control ◽  
Vibration Damping ◽  
Dynamic Responses ◽  
Special Issue ◽  
The Arts ◽  
Materials Modeling ◽  
Active Vibration ◽  
Energy Dissipation Devices

Many engineering systems, from subsea pipelines to space structures, from moving vehicles to stationary skyscrapers, are subject to unwanted vibration excitations. Often vibration control can be considered as a problem of energy dissipation and vibration damping. The aims of this issue are to accumulate, disseminate, and promote new knowledge about vibration control, especially for topics related to energy dissipation methods for vibration damping. Topics in this issue reflect the start-of-the-arts in the field of vibration control, such as inerter dampers and pounding tuned mass dampers (PTMDs). This special issue also reports other types of new energy dissipation devices, including a multi-unit particle damper, a nonlinear eddy current damper, and layered dampers. Also reported in this issue are structural elements with innovative designs to dissipate energy. In addition, this special issue also reports two research studies on the dynamic responses of a structural foundation and an earth-retaining structure. Though most papers in this special issue are related to passive methods, one paper reports a semi-active vibration control via magnetorheological dampers (MRDs), and another two papers report active vibration controls using piezoelectric transducers and inertial actuators, respectively.

Seismic assessment of rocking timber walls with energy dissipation devices

2020 ◽  
Vol 221 ◽  
pp. 111053 ◽  
Author(s):  
Ashkan Hashemi ◽  
Pouyan Zarnani ◽  
Pierre Quenneville
Keyword(s):  
Energy Dissipation ◽  
Seismic Assessment ◽  
Energy Dissipation Devices

Research on a New Type of Energy Dissipation Brace

2011 ◽  
Vol 71-78 ◽  
pp. 3816-3820
Author(s):  
Jie Yjing Sui ◽  
Wen Feng Liu
Keyword(s):  
Energy Dissipation ◽  
Dynamic Response ◽  
Vibration Control ◽  
Dynamic Behavior ◽  
Control Test ◽  
Magnification Factor ◽  
New Type ◽  
Energy Dissipation Devices

This paper presents one new configuration called little-character-toggle-brace. This paper analyses the effect of different toggle-brace position in the story and different angle of the toggle-brace to the magnification factor and provides the damping radio of the structure. Based on vibration control test of the structure with energy dissipation devices, the dynamic behavior and dynamic response of the structure with little-character brace, diagonal brace or little-character- toggle-brace have been investigated. The different control effects of the structure with the different energy dissipation braces have been studied. The result demonstrates that the little-character-toggle- brace is the best energy dissipation brace.

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