On the Behavior and Ductility of Reinforced Concrete Coupling Beams of Shear Walls

10.14359/518 ◽  
1996 ◽  
Vol 93 (6) ◽  
Keyword(s):  
Reinforced Concrete ◽  
Shear Walls ◽  
Coupling Beams

The Research of the Relative Rigid Effect in the Numerical Simulation of the Steel Plate Reinforced Concrete Coupling Beams

2014 ◽  
Vol 638-640 ◽  
pp. 283-286
Author(s):  
Li Song ◽  
Dong Chen ◽  
Bao Lei Li
Keyword(s):  
Numerical Simulation ◽  
Reinforced Concrete ◽  
Steel Plate ◽  
Simulation Analysis ◽  
Great Influence ◽  
Shear Walls ◽  
Internal Force ◽  
Coupling Beams ◽  
Loading Mode ◽  
Deformation Properties

The coupling beam work as an important component in coupled shear walls, the strength,stiffness and deformation properties of which have great influence on the seismic performance of shear walls, the steel plate reinforced concrete coupling beams have the advantages as follows: simplify the constructional details, make the construction convenient and reliable performance [1][2]. The numerical simulation model in this paper is a coupled shear wall connected by steel plate reinforced concrete coupling beams in reference [3], and the loading mode is the same as the reference [4] . The relative stiffness effect was explored by study the internal force and displacement of the model with changing the stiffness of the coupling beams and the shear walls while the span-depth ratio is stable .The study will provide a reference for the numerical simulation of the finite element simulation analysis of the coupling beams and the steel reinforced concrete structures.

scholarly journals Simplified nonlinear analysis of reinforced concrete coupling beams subjected to cyclic loading

2020 ◽  
Vol 19 (3) ◽  
pp. 224-232
Author(s):  
Rafael Alves de Souza ◽  
◽  
Sergio F. Brena ◽  
Keyword(s):  
Reinforced Concrete ◽  
Cyclic Loading ◽  
Nonlinear Analysis ◽  
Failure Modes ◽  
Tall Buildings ◽  
Shear Walls ◽  
Monotonic Loading ◽  
Good Precision ◽  
Coupling Beams ◽  
Failure Loads

Reinforced concrete shear walls connected by coupling beams form an efficient structural system to resist earthquake and wind loads in tall buildings. However, the analysis of the effects caused by cyclic loading in this kind of system are not so straightforward. In the present paper, simplified nonlinear analysis using monotonic loading are used in order to obtain the behavior of tested coupling beams subjected to cyclic loading. Numerical results have shown that numerical monotonic loading is able to predict with good precision the yielding and the failure loads of the tested coupling beams subjected to cyclic loading. Both the cracking patterns and the predicted failure modes also followed the experimental behavior, ensuring that monotonic loading may be applied to have a first insight concerning cyclic loading.

Deformation and ductility considerations of ductile coupled shear walls located in Canadian seismic regions

2001 ◽  
Vol 28 (4) ◽  
pp. 738-746
Author(s):  
O Chaallal ◽  
D Gauthier
Keyword(s):  
Reinforced Concrete ◽  
Plastic Hinge ◽  
Shear Walls ◽  
Coupling Beams ◽  
Maximum Displacement ◽  
Ductility Demand ◽  
Displacement Ductility ◽  
Demand Factor ◽  
Interstorey Drift ◽  
Degree Of Coupling

This paper presents the results of an analytical study on the nonlinear deformation and ductility response of reinforced concrete ductile coupled shear walls (CSWs) under seismic loadings. The CSWs were designed, calculated, and detailed in compliance with the National Building Code of Canada (NBCC) 1995 and the Canadian Concrete Standard CAN3-A23.3-94. The parameters and assumptions of the study as well as the description of the models and the procedure were fully described elsewhere. Results indicated that the maximum interstorey drift from dynamic analyses was well below that obtained from static analyses with NBCC specified lateral forces. It was also found to be substantially lower for tall CSWs compared to short or medium-height walls, and decreased only slightly as the degree of coupling increased within the range considered in this study. It was also highest for seismic records with low PGA/PGV ratios. Plastic hinge rotations as well as accumulated plastic hinge rotations generally decreased as the number of storeys increased. The maximum displacement ductility demand factor remained below the NBCC value of 4.0 specified for ductile CSWs. The influence of degree of coupling on the maximum displacement ductility demand factor was found negligible. Also, the maximum displacement ductility demand factor generally decreased as the number of storeys increased. The maximum rotational ductility demand factor in coupling beams decreased as the number of storeys increased and was generally less than the practical accepted limit of 10, except for a few short CSWs.Key words: coupled shear walls, reinforced concrete, seismic, degree of coupling, frequency content, interstorey drift, plastic hinge deformation, ductility.

Evaluation of Coupling Beams Behavior Concrete Shear Wall with Rectangular and Octagonal Openings

2015 ◽  
Vol 735 ◽  
pp. 104-108
Author(s):  
Abdul Kadir Marsono ◽  
Somaieh Hatami
Keyword(s):  
Reinforced Concrete ◽  
Cyclic Load ◽  
Shear Walls ◽  
Shear Wall ◽  
Experimental Results ◽  
Coupling Beams ◽  
High Rise ◽  
Coupled Walls ◽  
Car Park ◽  
Common Shape

Reinforced concrete coupled walls are cantilevered shear walls joined by coupling beams and are used in high-rise apartment for many years. Rectangular openings are the most common shape of openings used in shear wall in order to provide doors, windows, entrance to car park areas and elevators or staircases. Behavior of coupling beams affect the strength of coupled walls. This research suggests adding haunches to the corners of rectangular openings and form octagonal openings as a method to increase the strength of coupling beams. The experimental results of shear wall with single band of rectangular and octagonal openings are compared in terms of behavior of coupling beams under cyclic load. The results demonstrate that the coupling beams in shear wall with octagonal openings are stronger than coupling beams in shear wall with rectangular openings.

Experimental Study on Load Behavior of Steel Fiber Concrete Coupled Shear Wall

2013 ◽  
Vol 438-439 ◽  
pp. 682-685
Author(s):  
Jun Zhao ◽  
Meng Yao
Keyword(s):  
Reinforced Concrete ◽  
Bearing Capacity ◽  
Steel Fiber ◽  
Shear Walls ◽  
Shear Wall ◽  
Fiber Reinforced Concrete ◽  
Steel Fibers ◽  
Steel Fiber Reinforced Concrete ◽  
Coupling Beams ◽  
Steel Fiber Concrete

Through low cycle reverse tests of three steel fiber reinforced concrete coupled shear walls, the crack pattern, bearing capacity, stiffness and displacement are analyzed. Test results show that the bearing capacity, yielding stiffness and the anti-crack performance of the coupled shear walls are generally improved by adding steel fibers to reinforced concrete coupling beams, and the stiffness degeneration is also reduced to a certain degree. More cracks are induced by steel fibers bridged the main crack, which can make the shear wall consume more energy.

Analytical study of tessellated structural-architectural reinforced concrete shear walls

2021 ◽  
Vol 244 ◽  
pp. 112768
Author(s):  
Mohammad Syed ◽  
Mohammad Moeini ◽  
Pinar Okumus ◽  
Negar Elhami-Khorasani ◽  
Brandon E. Ross ◽  
...  
Keyword(s):  
Reinforced Concrete ◽  
Analytical Study ◽  
Shear Walls

Experimental Study of Shear-Critical Reinforced-Concrete Shear Walls under Tension-Bending Shear-Combined Cyclic Load

2020 ◽  
Vol 146 (5) ◽  
pp. 04020047
Author(s):  
Xin Nie ◽  
Jia-Ji Wang ◽  
Mu-Xuan Tao ◽  
Jian-Sheng Fan ◽  
Y. L. Mo ◽  
...  
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Cyclic Load ◽  
Shear Walls
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