scholarly journals Probabilistic economic seismic loss estimation in steel buildings using post-tensioned moment-resisting frames and viscous dampers

2016 ◽  
Vol 45 (11) ◽  
pp. 1725-1741 ◽  
Author(s):  
Athanasios I. Dimopoulos ◽  
Angelos S. Tzimas ◽  
Theodore L. Karavasilis ◽  
Dimitrios Vamvatsikos
Keyword(s):  
Loss Estimation ◽  
Steel Buildings ◽  
Viscous Dampers ◽  
Moment Resisting Frames ◽  
Seismic Loss ◽  
Moment Resisting ◽  
Post Tensioned

Amplified Seismic Loads in Steel Moment Frames

2016 ◽  
Vol 847 ◽  
pp. 222-232
Author(s):  
Bora Aksar ◽  
Selcuk Dogru ◽  
Bulent Akbas ◽  
Jay Shen ◽  
Onur Seker ◽  
...  
Keyword(s):  
Lateral Displacement ◽  
Ground Motions ◽  
Time History ◽  
Load Level ◽  
Steel Buildings ◽  
Moment Frames ◽  
Axial Loads ◽  
Steel Moment Resisting Frames ◽  
Moment Resisting Frames ◽  
Moment Resisting

This study focuses on exploring the seismic axial loads for columns in steel moment resisting frames (SMRFs) under strong ground motions. For this purpose, the increases in axial loads are investigated at the maximum lateral load level and the corresponding lateral displacement. The results are presented in terms of maximum amplification factors (Ω0) of all frame columns under the selected ground motions and axial load-moment levels in columns. four typical steel moment resisting frames representing typical low, medium and high rise steel buildings are designed based on the seismic design requirement in ASCE 7-10 and AISC 341-10 . An ensemble of ground motions range from moderate to severe are selected to identify the seismic response of each frames. Two sets of ground motions corresponding to 10% and 2% probability of exceedance are used in nonlinear dynamic time history analyses.

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