Numerical simulation and data-driven analysis on the flexural performance of steel reinforced concrete composite members

2021 ◽  
Vol 247 ◽  
pp. 113200
Author(s):  
Bing-Lin Lai ◽  
Lifu Yang ◽  
Ming-Xiang Xiong
Keyword(s):  
Numerical Simulation ◽  
Reinforced Concrete ◽  
Data Driven ◽  
Steel Reinforced Concrete ◽  
Flexural Performance

Study on Seismic Behavior of the L-Shape Steel Reinforced Concrete Short-Pier Shear Wall with Different Concrete Strength

2013 ◽  
Vol 353-356 ◽  
pp. 1990-1999
Author(s):  
Yi Sheng Su ◽  
Er Cong Meng ◽  
Zu Lin Xiao ◽  
Yun Dong Pi ◽  
Yi Bin Yang
Keyword(s):  
Numerical Simulation ◽  
Reinforced Concrete ◽  
Seismic Performance ◽  
Seismic Behavior ◽  
Concrete Strength ◽  
Shear Walls ◽  
Shear Wall ◽  
Simulation Software ◽  
Steel Reinforced Concrete ◽  
Shrinkage Effect

In order to discuss the effect of different concrete strength on the seismic behavior of the L-shape steel reinforced concrete (SRC) short-pier shear wall , this article analyze three L-shape steel reinforced concrete short-pier shear walls of different concrete strength with the numerical simulation software ABAQUS, revealing the effects of concrete strength on the walls seismic behavior. The results of the study show that the concrete strength obviously influence the seismic performance. With the concrete strength grade rise, the bearing capacity of the shear wall becomes large, the ductility becomes low, the pinch shrinkage effect of the hysteresis loop becomes more obvious.

scholarly journals Textile-Reinforced Concrete Versus Steel-Reinforced Concrete in Flexural Performance of Full-Scale Concrete Beams

Crystals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1272
Author(s):  
Fahed Alrshoudi
Keyword(s):  
Reinforced Concrete ◽  
Large Scale ◽  
Ultimate Load ◽  
Concrete Beams ◽  
Load Resistance ◽  
Textile Reinforced Concrete ◽  
Steel Reinforced Concrete ◽  
Flexural Performance ◽  
Similar Area ◽  
Cover Thickness

The effectiveness of textile-reinforced concrete (TRC) and steel-reinforced concrete (SRC) in the flexural performance of rectangular concrete beams was investigated in this study. To better understand TRC behaviour, large-scale concrete beams of 120 × 200 × 2600 mm were tested and analysed in this work. Cover thickness, anchoring, and various layouts were all taken into consideration to assess the performance of beams. In addition, bi-axial and uni-axial TRC beams and SRC beams were classified according to the sort and arrangement of reinforcements. The findings showed that anchoring the textiles at both ends enhanced load resistance and prevented sliding. The ultimate load of the tow type of textile reinforcement was higher, attributed to the increased bond. Variations in cover thickness also change the ultimate load and deflection, according to the findings. Consequently, in this investigation, the ideal cover thickness was determined to be 30 mm. Furthermore, for the similar area of reinforcements, the ultimate load of TRC beams was noted up to 56% higher than that of the SRC control beam, while the deflection was roughly 37% lower.

scholarly journals Evaluation of the fire resistance of steel-reinforced concretefilled steel tubular columns with a circular cross-section

2022 ◽  
Vol 2153 (1) ◽  
pp. 012005
Author(s):  
J P Rojas Suárez ◽  
J A Pabón León ◽  
M S Orjuela Abril
Keyword(s):  
Numerical Simulation ◽  
Reinforced Concrete ◽  
Cross Sections ◽  
Fire Resistance ◽  
Circular Cross Section ◽  
Experimental Tests ◽  
Steel Reinforced Concrete ◽  
Tubular Columns ◽  
Temperature Levels ◽  
Physical Phenomena

Abstract In the present investigation, an analysis of the fire resistance of the steel-reinforced concrete-filled steel tubular columns with circular cross-sections was carried out by means of numerical simulation. The development of the study was carried out by means of numerical simulation to predict the behavior of the column against fire. The results of the numerical model are validated by comparing the temperature levels obtained through experimental tests. From the results obtained, it is shown that the increase in the contact area between the steel and the concrete reduces the average temperature of the column, which implies a greater resistance to fire. The fire resistance of the columns with the steel profile designs are between 3.4 - 3.6 times higher compared to the column only made of concrete, which is an indication of the excellent performance of the steel-reinforced concrete-filled steel tubular columns with circular cross- sections columns. In general, the methodology proposed in this research allows the analysis of the thermal physical phenomena of the different columns used for the construction of buildings.

scholarly journals Influence of the cracking consideration in the displacements of a shallow tunnel lined in steel-reinforced concrete: numerical model

2020 ◽  
Vol 13 (6) ◽  
Author(s):  
Betina Mariano Jensen ◽  
Denise Bernaud ◽  
Américo Campos Filho
Keyword(s):  
Numerical Simulation ◽  
Reinforced Concrete ◽  
Numerical Model ◽  
Finite Elements ◽  
Cross Section ◽  
Shallow Tunnel ◽  
Ansys Software ◽  
Concrete Cracking ◽  
Steel Reinforced Concrete ◽  
Shallow Tunnels

abstract: The study of shallow tunnels introduces different aspects when compared to deep tunnels analysis. Among these characteristics can be emphasized the non-uniform shape of the deformed cross-section and the impossibility of some simplifications such as the consideration of homogeneous stresses around the excavation. Since the tunnel lining is subject to combined bending and compression, shallow tunnels are more susceptible to the development of final tensile stresses (not founded in deep tunnels) and the consequent concrete cracking. This paper presents a numerical simulation in finite elements with the ANSYS software. The purpose of the study is to analyze the cracking influence in the displacements of shallow tunnels, treating the concrete behavior by three different models: elastic, viscoelastic and viscoelastic with cracking effects.

Numerical Simulation Technology of the Steel Reinforced Concrete Special-Shaped Columns Using Ansys

2012 ◽  
Vol 466-467 ◽  
pp. 1232-1236
Author(s):  
Wei Hou ◽  
Xue Feng Zhou ◽  
Xiang Chen
Keyword(s):  
Numerical Simulation ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Finite Element Model ◽  
Element Model ◽  
Mechanical Behaviors ◽  
Simulation Technology ◽  
Quick Method ◽  
Element Analysis ◽  
Steel Reinforced Concrete

Nonlinear finite element analysis of twelve SRC (steel reinforced concrete) special-shaped columns using ANSYS programs was conducted and the mechanical behaviors of these columns were analyzed. A series of numerical simulation technologies such as defining the material model of the concrete /steel, establishing global finite element model with discrete reinforced bars/stirrups elements and the methods of post-processing of the results were investigated. A quick method of finite element model establishment was proposed to avoid unit not sharing nodes and grid division error during meshing, which would cause problems such as divergence of the model. The results indicate that the numerical simulation technology presented is feasible and can be applied to further research on mechanical behaviors of the SRC structures.

Experimental study on flexural performance of steel-reinforced concrete slim floor beams

2019 ◽  
Vol 22 (11) ◽  
pp. 2406-2417 ◽  
Author(s):  
Yunlong Yu ◽  
Bo Wei ◽  
Yong Yang ◽  
Yicong Xue ◽  
Hao Xue
Keyword(s):  
Reinforced Concrete ◽  
Failure Modes ◽  
Flexural Stiffness ◽  
Flexural Capacity ◽  
Steel Reinforced Concrete ◽  
Flexural Performance ◽  
Long Span ◽  
Steel Shape ◽  
Floor System ◽  
Bending Failure

In long-span floors, the use of composite slim floor beams can effectively improve the flexural stiffness and flexural capacity of the floor system. In order to strengthen the stiffness of the composite slim floor beams and achieve better fire resistance, an innovative steel-reinforced concrete slim floor beams is presented in this article. To investigate the flexural performance of the steel-reinforced concrete slim floor beams, static loading experiments were carried out on six specimens. The parameters of the test were the height of slim floor beams and the type and size of steel shape in the steel-reinforced concrete slim floor beams. On the basis of the experiment, the bending failure modes, flexural stiffness, and flexural capacity of the steel-reinforced concrete slim floor beams were studied comprehensively. The test results indicated that the steel-reinforced concrete slim floor beams exhibited great flexural capacity, large stiffness, and high ductility. The calculation formulas of flexural stiffness and flexural capacity were also proposed in this article. The analysis of flexural performance of the steel-reinforced concrete slim floor beams can provide a significant foundation for further research.

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