scholarly journals Load Path Effect on the Response of Slender Lightly Reinforced Square RC Columns under Biaxial Bending

2022 ◽  
Vol 148 (3) ◽  
Author(s):  
Andrea Lucchini ◽  
José Melo ◽  
António Arêde ◽  
Humberto Varum ◽  
Paolo Franchin ◽  
...  
Keyword(s):  
Load Path ◽  
Biaxial Bending ◽  
Rc Columns

Short reinforced concrete column capacity under biaxial bending and axial load

2000 ◽  
Vol 27 (6) ◽  
pp. 1173-1182 ◽  
Author(s):  
H P Hong
Keyword(s):  
Reinforced Concrete ◽  
Probabilistic Analysis ◽  
Axial Load ◽  
Failure Surface ◽  
Biaxial Bending ◽  
Reinforced Concrete Column ◽  
Rc Columns ◽  
Nonlinear Stress ◽  
Modeling Errors ◽  
Error Optimization

The paper describes the development of a simple theoretical approach in estimating the capacity of short reinforced concrete (RC) columns under biaxial bending and axial load. The developed approach considers the nonlinear stress-strain relations of concrete and reinforcing steel and does not make the assumption about the limiting strain of extreme compression fiber of concrete. The solution is obtained using a nonlinearly constrained optimization algorithm. The approach was used to estimate the theoretical capacities of many tested RC columns found in the literature. A probabilistic analysis of the modeling errors was carried out using the ratios of the test-to-predicted results. The probabilistic analysis was extended to include two simplified theoretical methods: the reciprocal load method given by Bresler and the failure surface method given by Hsu.Key words: biaxial bending, modeling error, optimization, probability distribution.

Experimental Behavior of Nonconforming RC Columns with Plain Bars under Constant Axial Load and Biaxial Bending

2013 ◽  
Vol 139 (6) ◽  
pp. 897-914 ◽  
Author(s):  
M. Di Ludovico ◽  
G. M. Verderame ◽  
A. Prota ◽  
G. Manfredi ◽  
E. Cosenza
Keyword(s):  
Axial Load ◽  
Biaxial Bending ◽  
Rc Columns ◽  
Experimental Behavior ◽  
Plain Bars ◽  
Constant Axial Load

Cyclic Behavior of Existing RC Columns with Lap Splices under Biaxial Bending

2018 ◽  
Vol 30 (5) ◽  
pp. 473-480 ◽  
Author(s):  
Chang Seok Lee ◽  
Chang Dae Heo ◽  
Hyeyoung, Koh ◽  
Sang Whan Han
Keyword(s):  
Cyclic Behavior ◽  
Biaxial Bending ◽  
Rc Columns ◽  
Lap Splices

Loading Correlation for Reliability Analysis of Reinforced Concrete Columns

2011 ◽  
Vol 243-249 ◽  
pp. 396-405
Author(s):  
Chang Hui Tang ◽  
You Cheng Yang
Keyword(s):  
Reinforced Concrete ◽  
Reliability Analysis ◽  
Axial Compression ◽  
Limit State ◽  
Mathematical Expression ◽  
State Function ◽  
Load Path ◽  
Rc Columns ◽  
Correlation Relationship ◽  
Load Effects

A major difficulty in reliability analysis of reinforced concrete (RC) columns subjected to both axial compression and bending moments is the interaction between strength of bending and axial compression. In particular, the limit state function cannot be explicitly expressed due to this interaction. This paper analyzes the correlation between load effects. Given the calibration point, a mathematical expression for the load correlation, rMN, in terms of eccentricity of dead load and live load, eG and eQ, is established, which physically clarifies the relationship of rMN with load path. Given the ratio of eccentricity k = eG/eQ and the ratio of load effects r, the reliability analysis for RC columns with considering the correlation between load effects can be analyzed by using the correlation relationship proposed in this study and FORM method. This study provides an effective and practical approach to the reliability analysis.

Simplified hysteretic model for the representation of the biaxial bending response of RC columns

2012 ◽  
Vol 44 ◽  
pp. 146-158 ◽  
Author(s):  
H. Rodrigues ◽  
X. Romão ◽  
A. Andrade-Campos ◽  
H. Varum ◽  
A. Arêde ◽  
...  
Keyword(s):  
Hysteretic Model ◽  
Biaxial Bending ◽  
Rc Columns ◽  
Bending Response

Load-Path Effects in Column Biaxial Bending with Axial Force

1995 ◽  
Vol 121 (5) ◽  
pp. 596-605 ◽  
Author(s):  
Stathis N. Bousias ◽  
Guido Verzeletti ◽  
Michael N. Fardis ◽  
Eugenio Gutierrez
Keyword(s):  
Axial Force ◽  
Load Path ◽  
Biaxial Bending

Behaviour of Steel Plated RC Columns Subject to Lateral Loading

2005 ◽  
Vol 8 (4) ◽  
pp. 333-347 ◽  
Author(s):  
M.C. Griffith ◽  
Y.F. Wu ◽  
D.J. Oehlers
Keyword(s):  
Cross Sections ◽  
Experimental Testing ◽  
Lateral Loading ◽  
Steel Plates ◽  
New Technique ◽  
Concrete Column ◽  
Alternative Technique ◽  
Biaxial Bending ◽  
Rc Columns ◽  
Single Plane

The main focus of this paper is to describe the behaviour of RC columns that are retrofitted with an alternative technique to “jacketing” or wrapping. This new technique consists of attaching steel plates to the flexural faces of a concrete column using bolts. It is envisaged that this technique would be suitable primarily for columns having rectangular cross-sections and in situations where lateral loading induces predominately a single plane of bending (as opposed to biaxial bending). Effectiveness of this new technique has been demonstrated by experimental testing and numerical simulations. This paper studies the mechanism of the new retrofit scheme, how it works, and the behaviour of columns retrofitted using such a scheme, as well as the important parameters that affect the response of the retrofitted columns. This study forms the basis for the design of the plate retrofitting system.

Optimal reinforcement of RC columns for biaxial bending

2009 ◽  
Vol 43 (9) ◽  
pp. 1245-1256 ◽  
Author(s):  
Luisa María Gil-Martín ◽  
Enrique Hernández-Montes ◽  
Mark Aschheim
Keyword(s):  
Biaxial Bending ◽  
Rc Columns ◽  
Optimal Reinforcement
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