Structural Engineering and Mechanics

  • 제77권6호
  • /
  • Pages.735-744
  • /
  • 2021
  • /
  • 1225-4568(pISSN)
  • /
  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Seismic response assessment of high-strength concrete frames strengthened with carbon fiber reinforced polymers

  • Rahmdel, Javad Mokari (Department of Civil Engineering, Urmia University of Technology) ;
  • Vahid-Vahdattalab, Farzin (Department of Civil Engineering, University of Mohaghegh Ardabili) ;
  • Shafei, Erfan (Department of Civil Engineering, Urmia University of Technology) ;
  • Zirakian, Tadeh (Department of Civil Engineering and Construction Management, California State University)
  • 투고 : 2019.05.31
  • 심사 : 2021.01.14
  • 발행 : 2021.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

In recent years, the use of new materials and technologies with the aim of developing high-performing and cost-effective structures has greatly increased. Application of high-strength concrete (HSC) has been found effective in reducing the dimensions of frame members; nonetheless, such reduction in dimensions of structural elements in the most cases may result in the lack of accountability in the tolerable drift capacity. On this basis, strengthening of frame members using fiber reinforced polymers (FRPs) may be deemed as an appropriate remedy to address this issue, which albeit requires comprehensive and systematic investigations. In this paper, the performance of properly-designed, two-dimensional frames made of high-strength concrete and strengthened with Carbon Fiber Reinforced Polymers (CFRPs) is investigated through detailed numerical simulation. To this end, nonlinear dynamic time history analyses have been performed using the Seismosoft software through application of five scaled earthquake ground motion records. Unstrengthened (bare) and strengthened frames have been analyzed under seismic loading for performance assessment and comparison purposes. The results and findings of this study show that use of CFRP can be quite effective in seismic response improvement of high-strength-concrete structures.

키워드

참고문헌

  1. ACI 363R-92 (1992), State-of-the-art report on high-strength concrete, ACI Committee 363, American Concrete Institute; Farmington Hills, MI, USA.
  2. Bhayusukma, M.Y. and Tsai, K.C. (2014), "High-strength RC columns subjected to high-axial and increasing cyclic lateral loads", Earthq. Struct., 7(5), 779-796. https://doi.org/10.12989/eas.2014.7.5.779.
  3. Bourouz, A., Chikh, N., Benzaid, R. and Laraba, A. (2014), "Confinement of high strength concrete columns with CFRP sheets", Proceedings of the World Congress on Engineering, Vol. II, London, UK, July.
  4. Chung, K.S., Kim, J.H. and Yoo, J.H. (2013), "Experimental and analytical investigation of high-strength concrete-filled steel tube square columns subjected to flexural loading", Steel Compos. Struct., 14(2), 133-153. https://doi.org/10.12989/scs.2013.14.2.133.
  5. CSA-A23.3-04 (2004), Design of concrete structures, Canadian Standard Association; Mississauga, ON, Canada.
  6. Dowling, J., Finn, W.L., Ventura, C.E., Bebamzadeh, A. and Fairhurst, M. (2016), "An alternative approach to site factors for NBCC 2015", Can. J. Civil Eng., 43(12), 1017-1024. https://doi.org/10.1139/cjce-2015-0544.
  7. ETABS (2015), Computers and Structures, Inc., Berkeley, CA, USA.
  8. Hadi, M.N.S. and Zhao, H. (2011), "Experimental study of high-strength concrete columns confined with different types of mesh under eccentric and concentric loads", J. Mater. Civil Eng., ASCE, 23(6), 823-832. https://doi.org/10.1061/(ASCE)MT.1943-5533.0000234.
  9. Hosseini, A., Khaloo, A.R. and Fadaee, S. (2005), "Seismic performance of high-strength concrete square columns confined with carbon fiber reinforced polymers (CFRPs)", Can. J. Civil Eng., 32(3), 569-578. https://doi.org/10.1139/l05-006.
  10. Konstantinidis, D.K., Kappos, A.J. and Izzuddin, B.A. (2007), "Analytical stress-strain model for high-strength concrete members under cyclic loading", J. Struct. Eng., ASCE, 133(4), 484-494. https://doi.org/10.1061/(ASCE)0733-9445(2007)133:4(484).
  11. Marvel, L., Doty, N., Lindquist, W. and Hindi, R. (2014), "Axial behavior of high-strength concrete confined with multiple spirals", Eng. Struct., 60, 68-80. https://doi.org/10.1016/j.engstruct.2013.12.019.
  12. Menegotto, M. and Pinto, P.E. (1973), "Method of analysis for cyclically loaded R.C. plane frames including changes in geometry and non-elastic behaviour of elements under combined normal force and bending", IABSE Symposium on the Resistance and Ultimate Deformability of Structures Acted on by Well Defined Repeated Loads, Zurich, Switzerland.
  13. Murthy, A.R., Iyer, N.R. and Prasad, B.K.R. (2013), "Evaluation of mechanical properties for high strength and ultrahigh strength concretes", Adv. Concrete Constr., 1(4), 341-358. https://doi.org/10.12989/acc.2013.1.4.341.
  14. Olivova, K. and Bilcik, J. (2009), "Strengthening of concrete columns with CFRP", Slovak J. Civil Eng., 17(1), 1-9.
  15. Ozbakkaloglu, T. and Saatcioglu, M. (2005), "FRP stay-in-place formwork for seismic resistant high-strength concrete columns", Proceedings of the 7th International Symposium on FiberReinforced (FRP) Polymer Reinforcement for Concrete Structures, Kansas City, MO, USA.
  16. Pacific Earthquake Engineering Research Center (2000), PEER Strong Motion Database.
  17. Paultre, P., Weber, B., Mousseau, S. and Proulx, J. (2016), "Detection and prediction of seismic damage to a high-strength concrete moment resisting frame structure", Eng. Struct., 114, 209-225. https://doi.org/10.1016/j.engstruct.2016.02.013.
  18. SeismoSoft (2006), A Computer Program for Static and Dynamic Nonlinear Analysis of Framed Structures. https://www.seismosoft.com.
  19. Sharmila, P. and Dhinakaran, G. (2015), "Strength and durability of ultra fine slag based high strength concrete", Struct. Eng. Mech., 55(3), 675-686. https://doi.org/10.12989/sem.2015.55.3.675.
  20. Su, Q., Yang, G. and Bradford, M.A. (2014), "Static behaviour of multi-row stud shear connectors in high- strength concrete", Steel Compos. Struct., 17(6), 967-980. https://doi.org/10.12989/scs.2014.17.6.967.
  21. Tawfik, A.S., Badr, M.R. and ElZanaty, A. (2014), "Behavior and ductility of high strength reinforced concrete frames", HBRC J., 10(2), 215-221. https://doi.org/10.1016/j.hbrcj.2013.11.005.
  22. Vahid-Vahdattalab, F., Mokari Rahmdel, J. and Shafei, E. (2017), "Seismic response evaluation of reinforced high strength concrete columns based on the modified constitutive model", Scientia Iranica, 25(2), 579-589. https://doi.org/10.24200/sci.2017.4183.