scholarly journals Evaluation of the Energy Dissipation Capacities of Beam-to-Column Moment Connections for Steel Frames

2016 ◽  
Vol 15 (3) ◽  
pp. 573-579
Author(s):  
Jae-Guen Yang ◽  
Yong-Boem Kim ◽  
Min-seok Kwak
Keyword(s):  
Energy Dissipation ◽  
Steel Frames ◽  
Moment Connections

Energy-Dissipation Mechanisms and Seismic Design Recommendation of Eccentrically Braced Steel Frames

2011 ◽  
Vol 71-78 ◽  
pp. 3662-3665
Author(s):  
Bao Cheng Zhao ◽  
Qiang Gu
Keyword(s):  
Plastic Deformation ◽  
Energy Dissipation ◽  
Seismic Design ◽  
Steel Frames ◽  
Shell Element ◽  
Elastic Stiffness ◽  
Collapse Mechanism ◽  
Finite Element Program ◽  
Earthquake Load ◽  
Element Program

Eccentrically braced steel frames are a lateral load-resisting system which apply high intensity area and it can provide the high elastic stiffness that met higher steel building drift requirement. This paper first provides an introduction of Forces in links and Energy dissipation mechanisms of eccentrically braced steel frames. In that Eccentrically braced steel frames will collapse after the link beams go into plastic deformation under earthquake load, A new analytical model which include shell element apply to link beams with large deformation and plastic deformation and beams element apply to other parts of structure is presented in this paper for analyzing eccentrically braced steel frames energy-dissipation behavior and collapse mechanism. Computer program is complied. After this paper applies nonlinear finite element program to analyze the behaviors of eccentrically braced steel frames under cyclic load, the seismic design recommendations of eccentrically brace are presented.

scholarly journals An Alternative System for Eccentrically Braced Frames Resisting Lateral Loads

2019 ◽  
Vol 9 (3) ◽  
pp. 4281-4286
Author(s):  
N. W. Bishay-Girges
Keyword(s):  
Energy Dissipation ◽  
Steel Frames ◽  
Structural Safety ◽  
Lateral Loads ◽  
Braced Frames ◽  
Moment Frames ◽  
Lateral Control ◽  
Eccentrically Braced Frames ◽  
Architectural Features ◽  
Control Devices

Eccentrically braced steel frames are structures used to resist lateral loads as they combine the ductility that is characteristic of moment frames and the stiffness associated with braced frames. Damper devices can be used as the main source of energy dissipation and have become more popular lately for the lateral control of structures. Control devices generally reduce damage by increasing structural safety, serviceability and preventing the building from collapse during vibration. This study focused on improving the performance of the structures with a proposed damping system, which has more advantages than eccentrically braced frames (EBFs). It can accommodate many architectural features and make construction and complementarity in the structures easier. The purpose of this study is to evaluate the performance of the structure with the proposed damping system and its construction in the building.

Cyclic behaviour of locally web-stiffened W-shape beams

1995 ◽  
Vol 22 (1) ◽  
pp. 121-134
Author(s):  
R. M. Korol ◽  
M. L. Daali
Keyword(s):  
Energy Dissipation ◽  
Cyclic Loading ◽  
Steel Frames ◽  
Earthquake Response ◽  
Lateral Loads ◽  
Steel Moment Resisting Frames ◽  
Moment Resisting Frames ◽  
Cyclic Behaviour ◽  
Rotation Capacity ◽  
Moment Resisting

A series of tests on W-shaped beam-to-column connections subjected to quasi-static cyclic loading was conducted to assess their ductility and energy dissipation capabilities. The specimens represent beams in ductile moment resisting frames undergoing alternating lateral loads. The aim of this study was to assess and compare the rotation capacity and energy absorption of locally web-stiffened beams with unstiffened beams. Of direct relevance to seismically designed moment resisting steel frames, the experimental results of this research clearly highlight the superiority of herring-bone style web-stiffened specimens over vertically web-stiffened or unstiffened specimens. Key words: earthquake, response, steel, moment resisting frames, stiffener, cyclic loading.

Sign in / Sign up

Export Citation Format

Share Document