Seismic behavior of steel tube confined reinforced concrete double-column bridge bents

2020 ◽  
Vol 166 ◽  
pp. 105919
Author(s):  
Haicui Wang ◽  
Xuhong Zhou ◽  
Jiepeng Liu ◽  
Xuanding Wang ◽  
Y. Frank Chen
Keyword(s):  
Reinforced Concrete ◽  
Seismic Behavior ◽  
Steel Tube ◽  
Bridge Bents

Development and seismic performance of staggered and out-of-plane joints between concrete-filled steel tubular column and reinforced concrete beam

2020 ◽  
Vol 23 (13) ◽  
pp. 2866-2881
Author(s):  
Longji Dang ◽  
Shuting Liang ◽  
Xiaojun Zhu ◽  
Jian Yang ◽  
Yamin Song
Keyword(s):  
Reinforced Concrete ◽  
Shear Deformation ◽  
Seismic Performance ◽  
Seismic Behavior ◽  
Concrete Beam ◽  
Concrete Beams ◽  
Reinforced Concrete Beam ◽  
Steel Tube ◽  
Reinforced Concrete Beams ◽  
Out Of Plane

This article presents a staggered and out-of-plane connection between concrete-filled steel tubular column and reinforced concrete beam (SOC-TCB). SOC-TCB is taken from the basement roof joint of Suning center, which is a height of 341.85 m in China. In this joint system, the H-shaped steel brackets are welded with steel tube to transfer shear and moment. Moreover, the reinforcing bars are interrupted by steel tube and lapped with steel bracket. To investigate the seismic behavior of SOC-TCB, four types of SOC-TCBs were tested under reversal cyclic loading. The differences between specimens were staggered height and out-of-plane angle. Seismic performance was evaluated based on hysteretic behavior, failure mode, shear deformation, rotational deformation, and energy dissipation. The results showed that the shear deformation of joints was extremely small and the plastic hinges were formed at reinforced concrete beams. Due to insufficient anchorage length of longitudinal bars, anchoring failure was found in the reinforced concrete beams. However, SOC-TCB showed better seismic behavior as long as sufficient anchorage of longitudinal bars was ensured.

Experimental Study on Seismic Behavior of Steel-Plate Reinforced Concrete Shear Wall with Rectangular CFST Columns

2012 ◽  
Vol 446-449 ◽  
pp. 370-377
Author(s):  
Jian Wei Zhang ◽  
Wan Lin Cao ◽  
Hong Ying Dong
Keyword(s):  
Reinforced Concrete ◽  
Axial Force ◽  
Seismic Behavior ◽  
Steel Plate ◽  
Shear Wall ◽  
Steel Tube ◽  
Force Ratio ◽  
Hysteretic Characteristics ◽  
Cfst Columns ◽  
Composite Shear

The steel-plate reinforced concrete shear wall with rectangular concrete filled steel tube (CFST) columns is a new kind of composite shear wall. In order to ascertain its seismic behavior and failure mechanism, four 1/5 scale specimens with the same shear span ratio 1.5, different thickness of the steel-plate and different axial force ratio, were tested under horizontal cyclic loading. The thickness of steel-plate in the walls is 2mm, 4mm, 4mm and 6mm, respectively. Based on the experiment, the load-bearing capacity, hysteretic characteristics, ductility, stiffness degradation, energy dissipation capacity and failure mode of the specimens were contrastively analyzed. And the effect of the ratio of height to sectional thickness of steel-plate and the value changes of axial force ratio on seismic behavior of the new shear wall was also analyzed. The result shows that the steel-plate reinforced concrete shear wall with rectangular CFST columns has good seismic performance and important engineering value.

Seismic behavior of dumb-bell steel tube confined reinforced concrete piers

2020 ◽  
Vol 206 ◽  
pp. 110126
Author(s):  
Xuhong Zhou ◽  
Haicui Wang ◽  
Xuanding Wang ◽  
Jiepeng Liu
Keyword(s):  
Reinforced Concrete ◽  
Seismic Behavior ◽  
Steel Tube

Seismic behavior and strength capacity of steel tube-reinforced concrete composite columns

2013 ◽  
Vol 43 (4) ◽  
pp. 487-505 ◽  
Author(s):  
Xiaodong Ji ◽  
Hongzhen Kang ◽  
Xingchen Chen ◽  
Jiaru Qian
Keyword(s):  
Reinforced Concrete ◽  
Seismic Behavior ◽  
Steel Tube ◽  
Composite Columns ◽  
Strength Capacity

Seismic behavior of steel reinforced concrete L-shaped columns under compression-bending-shear-torsion combined action

2021 ◽  
Vol 42 ◽  
pp. 102498
Author(s):  
Zongping Chen ◽  
Linlin Mo ◽  
Shengxin Li ◽  
Yuhan Liang ◽  
Dingyi Xu
Keyword(s):  
Reinforced Concrete ◽  
Seismic Behavior ◽  
Steel Reinforced Concrete ◽  
Combined Action
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