Relative Performance of FRP-Concrete-Steel Double Skin Tubular Columns versus Solid and Hollow Concrete-Filled FRP Tubes

Abstract:

This paper reports on part of an ongoing experimental program at the University of Adelaide on FRP-concrete-steel composite columns. The results from twenty specimens including 12 double skin tubular columns (DSTCs), two solid concrete-filled fiber reinforced polymer (FRP) tubes (CFFTs), and six CFFTs with inner voids (H-CFFTs) are presented. The specimens were manufactured using high-strength concrete (HSC) and their FRP tubes were fabricated using unidirectional S-glass fiber sheets. The results of the experimental study indicate that that H-CFFTs perform significantly worse than DSTCs and CFFTs and their performance further degrades with an increase in the diameter of inner void. Comparison of the results from DSTC and CFFT specimens indicate that both hollow and concrete-filled DSTCs exhibit improved compressive behavior compared to CFFTs.

• Periodical: Applied Mechanics and Materials (Volumes 501-504)
• Pages: 3-7
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.501-504.3
• Online since: January 2014
• Authors: Butje Alfonsius Louk Fanggi, Togay Ozbakkaloglu*
• Keywords: CFFTs, Columns, Confinement, DSTCs, Fiber Reinforced Polymer (FRP), FRP Tubes, High-Strength Concrete (HSC), Steel Tubes

References

[1] Ozbakkaloglu, T., Lim, J. C., and Vincent, T. (2013). FRP-confined concrete in circular sections: Review and assessment of the stress-strain models., Engineering Structures, 49: 1068-1088.

DOI: 10.1016/j.engstruct.2012.06.010

[2] Rousakis, T., and Karabinis, A. (2008). Substandard reinforced concrete members subjected to compression: FRP confining effects., Materials and Structures, 41(9): 1595 – 1611.

DOI: 10.1617/s11527-008-9351-4

[3] Vincent, T., and Ozbakkaloglu, T. (2013). Influence of Concrete Strength and Confinement Method on Axial Compressive Behavior of FRP Confined High- and Ultra High-Strength Concrete., Composites Part B-Engineering, 50: 413-428.

DOI: 10.1016/j.compositesb.2013.02.017

[4] Saatcioglu, M., Ozbakkaloglu, T., and Elnabelsy, G. (2008). Seismic Behavior and Design of Reinforced Concrete Columns Confined with FRP Stay-in-place Formwork., ACI Special Publication SP-257, pp.149-170.

DOI: 10.14359/20245

[5] Ozbakkaloglu, T., and Saatcioglu, M. (2006). Seismic Behavior of High Strength Concrete Columns Confined by Fiber-Reinforced Polymer Tubes., Journal of Composite Construction, ASCE, 10(6): 538-549.

DOI: 10.1061/(asce)1090-0268(2006)10:6(538)

[6] Ozbakkaloglu, T., and Saatcioglu, M. (2007). Seismic Performance of Square High-Strength Concrete Columns in FRP Stay-in-Place Formwork., Structural Engineering, 133(1): 44-56.

DOI: 10.1061/(asce)0733-9445(2007)133:1(44)

[7] Ozbakkaloglu, T., and Oehlers, D. J. (2008). Concrete-filled Square and Rectangular FRP Tubes under Axial Compression., Journal of Composites for Construction, ASCE, 12(4): 469-477.

DOI: 10.1061/(asce)1090-0268(2008)12:4(469)

[8] Ozbakkaloglu, T., and Oehlers, D. J. (2008). Manufacture and testing of a novel FRP tube confinement system., Engineering Structures, 30(9): 2448-2459.

DOI: 10.1016/j.engstruct.2008.01.014

[9] Ozbakkaloglu, T. (2013). Axial Compressive Behavior of Square and Rectangular High-Strength Concrete-Filled FRP Tubes., Journal of Composites for Construction, ASCE, 17(1): 151-161.

DOI: 10.1061/(asce)cc.1943-5614.0000321

[10] Ozbakkaloglu, T. (2013). Concrete-filled FRP Tubes: Manufacture and Testing of New Forms Designed for Improved Performance., Journal of Composites for Construction, ASCE, 17(2): 280-281.

DOI: 10.1061/(asce)cc.1943-5614.0000334

[11] Ozbakkaloglu, T. (2013). Compressive behavior of concrete-filled FRP tube columns: Assessment of critical column parameters., Engineering Structures, 51: 151-161.

DOI: 10.1016/j.engstruct.2013.01.017

[12] Ozbakkaloglu, T. (2013). Behavior of Square and Rectangular Ultra High-Strength Concrete-Filled FRP Tubes under Axial Compression., Composites Part B. 54: 97-111.

DOI: 10.1016/j.compositesb.2013.05.007

[13] Idris, Y., and Ozbakkaloglu, T. (2013). Seismic Behavior of High-Strength Concrete-Filled FRP Tube Columns., J. Compos. Constr., doi: 10. 1061/(ASCE)CC. 1943-5614. 0000388.

DOI: 10.1061/(asce)cc.1943-5614.0000388

[14] Ozbakkaloglu, T. and Vincent, T. (2013). Axial Compressive Behavior of Circular High-Strength Concrete-Filled FRP Tubes., J. Compos. Constr., doi: 10. 1061/(ASCE)CC. 1943-5614. 0000410.

DOI: 10.1061/(asce)cc.1943-5614.0000410

[15] Vincent, T., and Ozbakkaloglu, T. (2013). Influence of fiber orientation and specimen end condition on axial compressive behavior of FRP-confined concrete., Construction and building materials, 47: 814–826.

DOI: 10.1016/j.conbuildmat.2013.05.085

[16] Teng, J. G., Yu, T., and Wong, Y. L. (2004). Behavior of hybrid FRP-concrete-steel double-skin tubular columns., The 2nd International Conference on FRP Composites in Civil Engineering-CICE 2004, Adelaide, Australia, 811-818.

DOI: 10.1201/9780203970850.ch91

[17] Teng, J. G., Yu, T., and Wong, Y. L. (2010). Hybrid FRP-concrete-steel double-skin tubular structural members., Proceedings, The Fifth International Conference on FRP Composites in Civil Engineering (CICE), 27-29 September, Beijing, China, 26-32.

DOI: 10.1007/978-3-642-17487-2_4

[18] Wong, Y. L., Yu, T., Teng, J. G., and Dong, S. L. (2008). Behavior of FRP-confined concrete in annular section columns., Composites part B: Engineering, 38: 451-466.

DOI: 10.1016/j.compositesb.2007.04.001

[19] Ozbakkaloglu, T., and Louk Fanggi, B. A. (2013).

[20] Louk Fanggi, B.A., and Ozbakkaloglu, T. (2013). Compressive behavior of aramid FRP-HSC-Steel double-skin tubular columns., Construction and Building Materials, 48: 554-565.

DOI: 10.1016/j.conbuildmat.2013.07.029