endplate connection
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2021 ◽  
Vol 246 ◽  
pp. 112977
Author(s):  
Mei Liu ◽  
Boxun Zhang ◽  
Quanwei Liu ◽  
Yuanjian Liu ◽  
Liru Tang ◽  
...  

2021 ◽  
Vol 246 ◽  
pp. 113077
Author(s):  
Lele Sun ◽  
Zeqi Liang ◽  
Qishuai Wang ◽  
Hao Zhu ◽  
Peijun Wang ◽  
...  

2021 ◽  
Vol 0 (0) ◽  
pp. 0-0
Author(s):  
sarah yousef ◽  
Omnia kharoup ◽  
MAHMOUD EL-BOGHDADI

2021 ◽  
pp. 102557
Author(s):  
Boxun Zhang ◽  
Haotian Yuan ◽  
Chengxin Xia ◽  
Xinyu Liu ◽  
Mei Liu ◽  
...  

Metals ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 523 ◽  
Author(s):  
Marco Gallegos ◽  
Eduardo Nuñez ◽  
Ricardo Herrera

The 2008 Wenchuan-China earthquake showed the importance of considering the bidirectional seismic action as a cause of failure in column hinge mechanisms. Subsequently, the large 2011 Tohoku-Japan earthquake revealed that Special Moment Frames buildings, made of tubular columns (Hollow Structural Section or Built-up Box Section) and rigid connections with I-beams, did not suffer serious damage. However, only the ConXtech® ConXL™ moment connection has been prequalified according to the (American Institute of Construction) AISC Seismic Provisions for use with tubular columns and the rest of connections do not consider biaxial resistance. The research reported herein investigated the cyclic response of box-columns joints, connected to I beams using the four-bolt extended endplate connection, subjected to bidirectional bending and axial load on the column. To conduct the study, complex nonlinear finite element models (FEMs) of several I beam to box column joint configurations were constructed and analyzed under cyclic loading using the ANSYS software. The results reveal that the failure is concentrated in the beams of all joint configurations except for the columns with axial load equal to 75% of the column capacity, where a combined failure mechanism is achieved. The energy dissipation capacity of joints with a greater number of beams is lower than joints with fewer beams. The bidirectional effect of the seismic action and the level of axial load must be considered to avoid the formation of a column-hinge fragile failure mechanism also the behavior exhibited by 3D joints is more realistic than 2D joints according to real structures.


2019 ◽  
Vol 55 (6) ◽  
pp. 2341-2367 ◽  
Author(s):  
Hadi O. Al Haddad ◽  
Elie G. Hantouche ◽  
Karim K. Al Khatib

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