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
2000 ◽  
Vol 27 (6) ◽  
pp. 1173-1182 ◽  
Author(s):  
H P Hong

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.


2013 ◽  
Vol 139 (6) ◽  
pp. 897-914 ◽  
Author(s):  
M. Di Ludovico ◽  
G. M. Verderame ◽  
A. Prota ◽  
G. Manfredi ◽  
E. Cosenza

2018 ◽  
Vol 30 (5) ◽  
pp. 473-480 ◽  
Author(s):  
Chang Seok Lee ◽  
Chang Dae Heo ◽  
Hyeyoung, Koh ◽  
Sang Whan Han

2012 ◽  
Vol 44 ◽  
pp. 146-158 ◽  
Author(s):  
H. Rodrigues ◽  
X. Romão ◽  
A. Andrade-Campos ◽  
H. Varum ◽  
A. Arêde ◽  
...  

2005 ◽  
Vol 8 (4) ◽  
pp. 333-347 ◽  
Author(s):  
M.C. Griffith ◽  
Y.F. Wu ◽  
D.J. Oehlers

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.


2017 ◽  
Vol 143 (11) ◽  
pp. 04017153 ◽  
Author(s):  
Marta Del Zoppo ◽  
Marco Di Ludovico ◽  
Gerardo Mario Verderame ◽  
Andrea Prota

2022 ◽  
Vol 148 (3) ◽  
Author(s):  
Andrea Lucchini ◽  
José Melo ◽  
António Arêde ◽  
Humberto Varum ◽  
Paolo Franchin ◽  
...  
Keyword(s):  

2019 ◽  
Vol 23 (5) ◽  
pp. 2158-2174 ◽  
Author(s):  
He Zhang ◽  
Pingzhou Cao ◽  
Kai Wu ◽  
Chao Xu ◽  
Lijian Ren

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