Earthquakes and Structures

Techno-Press (테크노프레스)
권호 표지
DOI QR코드

DOI QR Code

Effect of bond and bidirectional bolting on hysteretic performance of through bolt CFST connections

  • Ajith, M.S. (Department of Civil Engineering, College of Engineering) ;
  • Beena, K.P. (Department of Civil Engineering, College of Engineering) ;
  • Sheela, S. (Department of Civil Engineering, Mohandas College of Engineering)
  • Received : 2019.08.05
  • Accepted : 2020.10.27
  • Published : 2020.11.25
⟨ Previous Next ⟩

Abstract

Through bolt connections in Concrete Filled Steel Tubes (CFSTs) has been proved to be good in terms of seismic performance and constructability. Stiffened extended end plate connection with full through type bolt helps to avoid field weld altogether, and hence to improve the quality of joints. An experimental study was conducted on the hysteretic performance of square interior beam-column connections using flat extended end plates with through bolt. The study focuses on the effect of the bond between the tie rod and the core concrete on the cyclic performance of the joint. The study also quantifies how much the interior joint is getting strengthened due to the confinement effect induced by bi-directional bolting, which is widely used in 3D moment resisting frames. For a better understanding of the mechanism and for the prediction of shear capacity of the panel zone, a mathematical model was generated. The various parameters included in the model are the influence of axial load, amount of prestress induced by bolt tightening, anchorage, and the concrete strut action. The study investigates the strength, stiffness, ductility, and energy dissipation characteristics. The results indicate that the seismic resistance is at par with American Institute of Steel Construction (AISC) seismic recommendations. The bidirectional bolting and bond effect have got remarkable influence on the performance of joints.

Keywords

Acknowledgement

The research described in this paper was financially supported by the Kerala State Council for Science, Technology & Environment (KSCSTE) Kerala, India. (project No ETP/05/2016/KSCSTE)

References

  1. Adany, S., Calado, L. and Dunai, L. (2001), "Experimental study on the cyclic behaviour of bolted end-plate joints", Steel Compos. Struct., 1(1), 33-50. http://dx.doi.org/10.12989/scs.2001.1.1.033.
  2. AISC Design guide (2004), Extended end-plate moment connections- seismic and wind application (second edition), American Institute of Steel Construction; Chicago, U.S.A.
  3. Alostaz, Y.M. and Schneider, S.P. (1996), "Analytical behavior of connection to concrete filled steel tubes", J. Construct. Steel Res., 40(2), 95-127. PII:S0143-974X(96)00047-8. https://doi.org/10.1016/S0143-974X(96)00047-8
  4. ANSI/AISC 341-16 (2016), Seismic provisions for structural steel buildings, American Institute of Steel Construction; Chicago, U.S.A.
  5. ANSI/AISC 358-16 (2016), Prequalified connections for special and intermediate steel moment frames for seismic applications, American Institute of Steel Construction; Chicago, U.S.A.
  6. Azizinamini, A. and Schneider, S.P. (2004), "Moment connections to circular concrete-filled steel tube columns", J. Struct. Eng., 130(2), http://dx.doi.org/10.1061/(ASCE)0733-9445(2004)130:2(213).
  7. Beutel, J., Thambiratnam, D. and Perera, N. (2002), "Cyclic behaviour of concrete filled steel tubular column to steel beam connections", Eng. Struct., 24, 29-38. PII:S0141-0296(01)00083-9. https://doi.org/10.1016/S0141-0296(01)00083-9
  8. Dubina, D., Ciutina A.L. and Stratan A. (2002), "Cyclic tests on bolted steel and composite double-sided beam-to-column joints", Steel Compos. Struct., 2(2), 147-160. http://dx.doi.org/10.12989/scs.2002.2.2.147.
  9. Elremaily, A. and Azizinamini, A. (2001), "Experimental behavior of steel beam to CFT column connections", J. Construct. Steel Res., 57, 1099-1119. PII:S0143-974X(01)00025-6. https://doi.org/10.1016/S0143-974X(01)00025-6
  10. Fukumoto, T. and Morita, K. (2005), "Elastoplastic behaviour of panel zone in steel beam-to-concrete filled steel tube column moment connections", J. Struct. Eng., 131(12), 1841-1853. http://dx.doi.orrg/10.1061/(ASCE)07339445(2005)131:12(1841).
  11. Galambos, T.V. (2000), "Recent research and design developments in steel and composite steel-concrete structures in USA", J. Construct. Steel Res., 55, 289-303. PII:S0143-974X(99)00090-5. https://doi.org/10.1016/S0143-974X(99)00090-5
  12. Gardner, A.P. and Goldsworthy, H.M. (2005), "Experimental investigation of the stiffness of critical components in a moment-resisting composite connection", J. Construct. Steel Res., 61(5), 709-726. http://dx.doi.org/10.1016/j.jcsr.2004.11.004.
  13. He, W.H., Xiao, Y., Guo, Y.R. and Fan, Y.L. (2013), "Pseudodynamic testing of hybrid frame with steel beams bolted to CFT columns", J. Construct. Steel Res., 88, 123-133. http://dx.doi.org/10.1016/j.jcsr.2013.05.005.
  14. Hu, Y., Zhao J., Zhang, D. and Zhang Y. (2018), "Seismic risk assessment of concrete-filled double-skin steel tube/momentresisting frames", Earthq. Struct., 14(3), 249-259. https://doi.org/10.12989/eas.2018.14.3.249.
  15. IS 10262-2009 (2009), Concrete Mix Proportioning - Guidelines, Bureau of Indian standards, New Delhi, India.
  16. IS 3757:1985 (1985), High strength structural bolts, Bureau of Indian standards, India.
  17. IS 4000:1992 (2003), High strength bolts in steel structures - code of practice, Bureau of Indian standards, New Delhi, India.
  18. IS 4923 (1997), Hollow steel sections for structural use - Specification, Bureau of Indian standards, New Delhi, India.
  19. IS 800:2007 (2007), General construction in steel - code of practice (Third revision), Bureau of Indian standards, India.
  20. Kang, C.H., Shin, K.J., Oh, Y.S. and Moon, T.S. (2001), "Hysteresis behavior of CFT column to H-beam connections with external T- stiffeners and penetrated elements", Eng. Struct., 23, 1194-1201. PII:S0141-0296(00)00119-X. https://doi.org/10.1016/S0141-0296(00)00119-X
  21. Kiamanesh, R., Abolmaali, A. and Ghassemieh, M. (2010), "The effect of stiffeners on the strain patterns of the welded connection zone", J. Construct. Steel Res., 66(1), 19-27. https://doi.org/10.1016/j.jcsr.2009.07.010.
  22. Li, X., Xiao, Y. and Wu, Y.T. (2009), "Seismic behavior of exterior connections with steel beams bolted to CFT columns", J. Construct. Steel Res., 65(7), 1438-1446. https://doi.org/10.1016/j.jcsr.2009.03.009.
  23. Nishiyama, I., Fujimoto, T., Fukumoto, T. and Yoshioka, K. (2004), "Inelastic force-deformation response of joint shear panels in beam-column moment connections to concrete-filled tubes", J. Struct. Eng., 130(2), 244-252. https://doi.org/10.1061/(ASCE)0733-9445(2004)130:2(244).
  24. Nogueiro, P., Silva, L.S., Bento, R. and Simoes, R. (2009), "Calibration of model parameters for the cyclic response of endplate beam-to-column steel-concrete composite joints", Steel Compos. Struct., 9(1), 39-58. http://dx.doi.org/10.12989/scs.2009.9.1.039.
  25. Park, S.H., Choi, S.M., Kim, Y.S., Park, Y.W. and Kim, J.H. (2010), "Hysteresis behavior of concrete filled square steel tube column-to-beam partially restrained composite connections", J. Construct. Steel Res., 66(7), 943-953. http://doi.org/10.1016/j.jcsr.2010.01.006.
  26. Qin, Y., Chen, Z. and Wang, X. (2014), "Experimental investigation of new internal-diaphragm connections to CFT columns under cyclic loading", J. Construct. Steel Res., 98, 35-44. http://dx.doi.org/10.1016/j.jcsr.2014.02.014.
  27. Sheet, I.S., Gunasekaran, U. and MacRae, G.A. (2013), "Experimental investigation of CFT column to steel beam connections under cyclic loading", J. Construct. Steel Res., 86, 167-182. http://dx.doi.org/10.1016/j.jcsr.2013.03.021.
  28. Shin, K.J., Kim, Y.J. and Oh, Y.S. (2008), "Seismic behaviour of composite concrete-filled tube column-to-beam moment connections", J. Construct. Steel Res., 64, 118-127. http://dx.doi.org/10.1016/j.jcsr.2007.04.001 .
  29. Shin, K.J., Kim, Y.J., Oh, Y.S. and Moon, T.S. (2004), "Behavior of welded CFT column to H-beam connections with external stiffeners", Eng. Struct., 26(13), 1877-1887. http://dx.doi.org/10.1016/j.engstruct.2004.06.016.
  30. Tao, Z., Li, W., Shi, B.L. and Han, L.H. (2017), "Behaviour of bolted end-plate connections to concrete-filled steel columns", J. Construct. Steel Res., 134, 194-208. http://dx.doi.org/10.1016/j.jcsr.2017.04.002.
  31. Tizani, W., Wang, Z.Y. and Hajirasouliha, I. (2013), "Hysteretic performance of a new blind bolted connection to concrete filled columns under cyclic loading: An experimental investigation", Eng. Struct., 46, 535-546. http://dx.doi.org/10.1016/j.engstruct.2012.08.020.
  32. Wang, J.F., Han, L.H. and Uy, B. (2009), "Behaviour of flush end plate joints to concrete-filled steel tubular columns", J. Construct. Steel Res., 65(4), 925-939. http://dx.doi.org/10.1016/j.jcsr.2008.10.010.
  33. Wu, L.Y., Chung, L.L., Tsai, S.F. and Huang, G.L. (2007), "Seismic behavior of bidirectional bolted connections for CFT columns and H-beams", Eng. Struct., 29(3), 395-407.http://dx.doi.org/10.1016/j.engstruct.2006.05.007.
  34. Wu, L.Y., Chung, L.L., Tsai, S.F., Shen, T.J., Huang, G.L. (2005), "Seismic behavior of bolted beam-to-column connections for concrete filled steel tube", J. Construct. Steel Res., 61(10), 1387-1410. http://dx.doi.org/10.1016/j.jcsr.2005.03.007.
  35. Zhang, D., Gao, S. and Gong, J. (2012), "Seismic behaviour of steel beam to circular CFST column assemblies with external diaphragms", J. Construct. Steel Res., 76, 155-166. http://dx.doi.org/10.1016/j.jcsr.2012.03.024.