Volume 10, Issue 3 (2010)
MCEJ 2010, 10(3): 0-0 |
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Dardaei Joghan1 S, DANASHJO F. The Values of Damage Indices in
Unreinforced and Flange-Plate Connections of
Steel Moment Frames under Earthquake
Loads. MCEJ 2010; 10 (3)
URL: http://mcej.modares.ac.ir/article-16-12219-en.html
URL: http://mcej.modares.ac.ir/article-16-12219-en.html
Abstract: (5190 Views)
Abstract
Studying the response details of steel moment connections is very important due to the role of
connections in moment resisting frames. The aims of this research were: i) to study the damage indices
of steel material including: Pressure Index, Mises Index, Equivalent Plastic Strain Index, Triaxiality
Index, and Rupture Index and ii) to compare these indices at connections of steel moment frames
under earthquake loads. To achieve this, time history nonlinear dynamic analysis is performed using
selected earthquake records on 2D model of special steel frame with ten storey and one bay to
determine maximum rotations of connections. Then, damages indices of the selected connections
under maximum rotation of records are investigated with selecting two types of moment connections.
The results indicate that damage indices are dependent on type of connection, location of surveying,
and rotations caused by earthquake movements. This dependency is very considerable for Equivalent
Plastic Strain Index and Ruptureindices
Received: 2009/04/3 | Accepted: 2010/10/6 | Published: 2011/03/5
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