Experimental investigation on rectangular RC columns strengthened with CFRP composites under axial load and biaxial bending

2014 ◽  
Vol 108 ◽  
pp. 538-546 ◽  
Author(s):  
Alireza Rahai ◽  
Hamed Akbarpour
Keyword(s):  
Experimental Investigation ◽  
Axial Load ◽  
Biaxial Bending ◽  
Rc Columns ◽  
Cfrp Composites

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 investigation of damaged square short RC columns with low slenderness retrofitted by CFRP strips under axial load

Structures ◽  
2020 ◽  
Vol 28 ◽  
pp. 170-180 ◽  
Author(s):  
Rahim Ghoroubi ◽  
Ömer Mercimek ◽  
Anıl Özdemir ◽  
Özgür Anil
Keyword(s):  
Experimental Investigation ◽  
Axial Load ◽  
Rc Columns

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

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

2017 ◽  
Vol 143 (11) ◽  
pp. 04017153 ◽  
Author(s):  
Marta Del Zoppo ◽  
Marco Di Ludovico ◽  
Gerardo Mario Verderame ◽  
Andrea Prota
Keyword(s):  
Axial Load ◽  
Biaxial Bending ◽  
Rc Columns ◽  
Experimental Behavior ◽  
Constant Axial Load

Experimental Investigation of Stiffened Square CFST Columns under Axial Load

2014 ◽  
Vol 919-921 ◽  
pp. 1794-1800
Author(s):  
Xin Zhi Zheng ◽  
Xin Hua Zheng
Keyword(s):  
Experimental Investigation ◽  
Bearing Capacity ◽  
Cross Sections ◽  
Axial Load ◽  
Local Buckling ◽  
Test Results ◽  
Tubular Columns ◽  
Economical Benefit ◽  
Steel Consumption ◽  
Cfst Columns

Abstract: 7 square steel tubular columns were tested to discuss the ultimate axial bearing capacity, ductility performance and the steel consumption under stiffened by steel belts and binding bars of different cross-sections. Test results indicate that only by increasing fewer amounts of steel usage, stiffened square CFST columns with binding bars can not only improve the overall effects of restraint and alleviate regional local buckling between the binding bars, but also improve the bearing capacity of concrete filled square steel tubular columns. The utility benefits and the economical benefit is considerable, deserving extensive use.

Response of Earthquake-Damaged RC Columns Repaired with CFRP Composites Using Hybrid Simulation

2017 ◽  
pp. 887-894
Author(s):  
M. Javad Hashemi ◽  
Riadh Al-Mahaidi ◽  
Robin Kalfat ◽  
Yassamin Al-Ogaidi ◽  
John L. Wilson
Keyword(s):  
Hybrid Simulation ◽  
Rc Columns ◽  
Cfrp Composites
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