Analysis on the Ductility Performance of Reinforced Concrete Coupling Beams in Shear Wall Structure

2013 ◽  
Vol 788 ◽  
pp. 538-541
Author(s):  
Peng Zhang ◽  
Fu Ma
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Concrete Strength ◽  
Shear Wall ◽  
Wall Structure ◽  
Coupling Beam ◽  
Coupling Beams ◽  
Element Analysis ◽  
Reinforcement Scheme

Coupling beam, the first line resisting earthquake, is directly related to the overall performance of the shear wall structure. Using the large general finite element analysis software ANSYS, the coupling beam span-depth ratio is 2~3 different reinforcement scheme in finite element analysis. Analysis on the ductility performance of reinforced concrete coupling beams in shear wall structure in three fields: the concrete strength grade, the longitudinal reinforcement ratio and the stirrup ratio, provides a basis for the design of the structure and to provide a reference for similar studies.

scholarly journals Comparative study on connection performance of steel joints in the prefabricated steel reinforced concrete shear wall

2020 ◽  
Vol 198 ◽  
pp. 01028
Author(s):  
GAO Lin ◽  
XIAO Xian ◽  
GUO Kaixuan ◽  
LIU Kunxiong
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Wall Thickness ◽  
Shear Wall ◽  
Wall Structure ◽  
Element Analysis ◽  
Steel Reinforced Concrete ◽  
Bolt Diameter ◽  
Sleeve Wall

In order to respond to the call of the strategy to vigorously carry out the fabricated structure, a new lateral connection joint-prefabricated steel joint with grouting bolt sleeve, which is adopted in the prefabricated steel reinforced concrete shear wall structure. Through uniaxial tensile test and finite element analysis, the prefabricated steel joint is comprehensive analysed, to get the impact trend of the anchorage length, sleeve wall thickness, bolt diameter to the connection performance, to determine the practicability and reliability of the connection way, and to ensure connection performance in the prefabricated steel reinforced concrete shear wall structure system. With the comparative studies, we find that, the finite element analysis and test results have high fitting degree, and can be verificated each other; the bolt diameter, sleeve wall thickness and anchor length all have positive effect trend on the tensile properties of the joint, but the influence decreases; The bolt diameter should be more than 12mm, the sleeve wall thickness should be more than 5mm, and the anchorage length should be more than 70mm; the shear bond diameter can reduce the diameter, and can change the section setting to the ring setting; the comparative results can provide reliable data support for the prefabricated steel connection joint design.

Considerations on Using the Strut and Tie Method for Modelling Coupling Beams

2017 ◽  
Vol 21 ◽  
pp. 116-121
Author(s):  
Vasile Murăraşu ◽  
Vasile Mircea Venghiac
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Linear Analysis ◽  
Numerical Analyses ◽  
Coupling Beam ◽  
Coupling Beams ◽  
Structural Walls ◽  
Element Analysis ◽  
Linear Elastic ◽  
Strut And Tie

This paper presents a synthesis of the numerical analyses regarding the method of modelling the coupling beams of structural walls. The directions of the struts and ties are established according to the results obtained after a linear-elastic finite element analysis. The results obtained after modelling using the Strut and Tie Method, with the struts and ties oriented along the diagonals of the coupling beam, coincide with the results obtained by applying the theory provided by EC8, which proves the viability of the method. This is also confirmed by the results obtained after a non-linear analysis was carried out in the LUSAS finite element environment.

Numerical Analysis of Reinforced Concrete Frames Subjected to Fire under Loading

2011 ◽  
Vol 214 ◽  
pp. 637-640
Author(s):  
Gouda M. Ghanem ◽  
Mohamed M. Ebd-Elrazek ◽  
Sayed M. Abd El-Bakey ◽  
Ahmend Ali Hassan ◽  
Esraa Emam Ali
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Concrete Strength ◽  
Steel Reinforcement ◽  
Experimental Program ◽  
Concrete Frames ◽  
Element Analysis ◽  
Reinforced Concrete Frames ◽  
Rc Frames

Research over the last decade has shown that composite floor structures can have a significantly greater fire resistance than is suggested by conventional tests on isolated elements, this is largely due to the interaction between the beams and floor slabs and beams-column connections in the fire compartment and the restraint afforded by the surrounding structure. This research was carried out to investigate the effect of fire on the behavior of reinforced concrete frames especially the connection between beam and column, where a special model for a fire furnace was designed in HBRC in order to investigate the aim of the current research. An experimental program consisted of thirteen statically independent two hinged reinforced concrete frames is designed to study the deformational behavior of RC frames subjected to fire under short term loading in terms of deflection and strain distribution, temperatures distribution along the critical cross sections at different limit states with the following variables: fire durations (1,2 and 3 hours), and fire temperatures (300,600 and 800°C) with concrete strength (250 and 600 kg/cm2). Modes of failure, ultimate capacity, deflection and strain of steel reinforcement and concrete at critical sections were examined experimentally and theoretically. The non-linear finite element analysis for reinforced concrete structure is largely dependant on the stress-strain relationships, failure criteria used, simulation of steel reinforcement and interaction between steel and concrete [1]. A model for predicting the behavior of reinforced concrete frames failure was developed based on experimental results obtained from the experimental program carried out by the authors. This model has been incorporated into a new reinforced concrete element for the non-linear analysis program, using ANSYS Ver.10 program. In this paper, a general description of the finite element method, theoretical modeling of concrete and reinforcement are presented. In order to verify the analytical model used in this research using test results of the experimental data of the experimental branch, the finite element analysis were performed then to be able to proposed a guide charts which can be used to predict the moment capacity of joint in beam-column connection in RC frames subjected to fire taking into consideration the different fire durations, fire temperature, and concrete strength.

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