Theoretical and experimental research on the punching shear capacity of reinforced concrete column footings rested on the ground

2021 ◽  
Vol 249 ◽  
pp. 113154
Author(s):  
Zoran Bonić ◽  
Elefterija Zlatanović ◽  
Stanko Brčić ◽  
Predrag Blagojević ◽  
Nikola Romić ◽  
...  
Keyword(s):  
Reinforced Concrete ◽  
Experimental Research ◽  
Shear Capacity ◽  
Punching Shear ◽  
Concrete Column ◽  
Reinforced Concrete Column

scholarly journals Improvement of bearing performance on exterior steel beam-reinforced concrete column joints with steel column

2018 ◽  
Author(s):  
Shinya Nakaue ◽  
Yasushi Nishimura
Keyword(s):  
Reinforced Concrete ◽  
Shear Failure ◽  
Maximum Strength ◽  
Punching Shear ◽  
Steel Beam ◽  
Transverse Reinforcement ◽  
Concrete Column ◽  
Bearing Failure ◽  
Reinforced Concrete Column ◽  
Steel Column

To improve the bearing failure behavior of the exterior steel beam-reinforced concrete column joints composed of reinforced concrete columns, joint details using steel column was proposed. Steel column was attached to the lower flanges at right angles to the steel flange. The objective of this study is to clarify the effectiveness of proposed joint details experimentally and theoretically. To clarify the influence of steel column on the bearing failure of the joint, seven T-shaped subassemblages were tested under reversed cyclic loading. All specimens had the same cross sections of the steel beam. The experimental variables were the embedded length of the steel column, whether there is the end plate at the tip of the embedded steel column, and, the arrangement of transverse reinforcement ratio surrounding the steel column. The following remarks can be drawn from the test results. 1) In case of the specimen with a short embedded length of the steel column, the punching shear failure on the upper surface of the steel beam flange was remarkable when the maximum strength was reached. However, in the specimen with long embedded length of steel column, it was not observed the punching shear failure. 2) The maximum strength increased with the embedded length of the steel column. Further, the maximum strength of the specimen with the embedded length of three times of the steel column depths is subjected to bending yield strength of the steel column. 3) It was shown that the transverse reinforcement to surround the steel column and the end plate were necessary to improve the bearing failure of the joint. 

Research Progress of Shear Behavior of Reinforced Concrete Column with Rectangular Section in Fire

2014 ◽  
Vol 1065-1069 ◽  
pp. 2323-2327
Author(s):  
Yue Yao ◽  
Yong Jun Liu ◽  
Xue Wang
Keyword(s):  
Reinforced Concrete ◽  
High Temperature ◽  
Shear Capacity ◽  
Research Progress ◽  
Concrete Column ◽  
Temperature Analysis ◽  
Reinforced Concrete Column ◽  
Rectangular Section ◽  
Research Results ◽  
In Fire

Nowadays there are lots of cases in which buildings collapse as a result of fire. As the main infrastructure of a building, column’s losing its shear capacity in the fire is one of the factors that causes the buildings collapse. This essay fouses on the summary of the research results of column shear capacity at high temperature, analysis of the reasons why column shear and wreck in the fire, review of experiments , simulators, and the outlook of its development in the future.

scholarly journals Effect of Reinforced Concrete Column Capital on Punching Shear Strength of Flat Slab

2019 ◽  
Vol 54 (5) ◽  
Author(s):  
Haider K. Ammash ◽  
Safa S. Kadhim
Keyword(s):  
Shear Strength ◽  
Reinforced Concrete ◽  
Reference Model ◽  
Punching Shear ◽  
Concrete Column ◽  
Reinforced Concrete Column ◽  
Finite Element Program ◽  
Flat Slab ◽  
Size And Shape ◽  
Element Program

In the present study, the effect of using reinforced concrete column capital on the punching shear strength of flat slab was investigated. The study was divided into two lines, the first line was the experimental study involves the molding four reinforced concrete flat slab models with dimensions (1600×1600×100 mm) with three different dimensions of column capital (400×400 mm, 600×600 mm, and 800×800 mm) in addition to reference model without columns capital (column dimension 200×200 mm). The second line that numerical modeling through the ABAQUS finite element program was introduced. Effect of column’s capital size and shape of column’s capital (rectangular and circular) were studied experimentally and numerically. A good agreement was obtained between the experimental and theoretical study. The main conclusion that the punching shear strength of reinforced concrete flat slab was affected on the size and shape of a column capital.

Punching shear strength of reinforced concrete column footings under eccentric compression: Experiment and analysis

2019 ◽  
Vol 198 ◽  
pp. 109509
Author(s):  
Wang-Xi Zhang ◽  
Bo Li ◽  
Hyeon-Jong Hwang ◽  
Jin-Yi Zhang ◽  
Long-Jie Xiao ◽  
...  
Keyword(s):  
Shear Strength ◽  
Reinforced Concrete ◽  
Punching Shear ◽  
Concrete Column ◽  
Reinforced Concrete Column ◽  
Eccentric Compression

Nonlinear Analysis of Shear Performance for Joint of Steel Reinforced Concrete Beam and Angle-Steel Concrete Column

2012 ◽  
Vol 256-259 ◽  
pp. 674-679
Author(s):  
Kun Wang ◽  
Shi Yun Xu ◽  
Hui Hui Luo
Keyword(s):  
Reinforced Concrete ◽  
Concrete Beam ◽  
Reinforced Concrete Beam ◽  
Shear Capacity ◽  
Concrete Column ◽  
Reinforced Concrete Column ◽  
Steel Reinforced Concrete ◽  
Rc Column ◽  
Shear Performance ◽  
Angle Steel

Based on the simulated results of joint of SRC beam and RC column (steel reinforced concrete beam and reinforced concrete column) with steel anchor, an analytical research on failure models and shear performance of three types of joints is conducted, which is composed of SRC beam and RC column, of SRC beam and column (steel reinforced concrete beam and column) and of SRC beam and ASC column (steel reinforced concrete beam and angle-steel concrete column). Then the parameters analysis for joint of SRC beam and ASC column is carried out, and the design formula of shear capacity for joint of SRC beam and ASC column is given on account of a great number of calculated and statistic results.

Testing and finite element analysis of reinforced concrete column footings failing by punching shear

2015 ◽  
Vol 92 ◽  
pp. 1-14 ◽  
Author(s):  
Todor Vacev ◽  
Zoran Bonić ◽  
Verka Prolović ◽  
Nebojša Davidović ◽  
Dragan Lukić
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Punching Shear ◽  
Concrete Column ◽  
Reinforced Concrete Column ◽  
Element Analysis

Calculation of Shear Capacity of Continuous Compound Spiral Hoop Reinforced Concrete Column

2012 ◽  
Vol 238 ◽  
pp. 240-243 ◽  
Author(s):  
Jun Feng Guan ◽  
Juan Wang
Keyword(s):  
Reinforced Concrete ◽  
Engineering Application ◽  
Concrete Columns ◽  
Shear Capacity ◽  
Concrete Column ◽  
High Ductility ◽  
Reinforced Concrete Column ◽  
Steel Bar ◽  
Standard Value ◽  
Engineering Projects

High-ductility stirrups, which yield strength standard value is great than 1100MPa, are usually employed as a horizontal reinforcing steel bar of continuous compound spiral hoop reinforced concrete column to improve the anti-seismic performance of the short column. In this paper, a method is proposed to calculate the shear capacity of the continuous compound spiral hoop reinforced concrete column by regression analysis on the existing test data. Furthermore, the engineering application of the proposed method was illustrated in a specific case. This study provides supports for engineering projects of continuous compound spiral hoop reinforced concrete columns.

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