Earthquakes and Structures

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Pseudo-dynamic and cyclic loading tests on a steel-concrete vertical hybrid structure

  • Wang, Bo (School of Civil Engineering, Chang'an University) ;
  • Wu, Tao (School of Civil Engineering, Chang'an University) ;
  • Dai, Huijuan (School of Civil Engineering, Xi'an University of Science and Technology) ;
  • Bai, Guoliang (School of Civil Engineering, Xi'an University of Architecture and Technology) ;
  • Wu, Jian (Shaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University)
  • Received : 2019.04.21
  • Accepted : 2019.08.28
  • Published : 2019.10.25
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Abstract

This paper presents the experimental investigations on the seismic performance of a peculiar steel-concrete vertical hybrid structural system referred to as steel truss-RC tubular column hybrid structure. It is typically applied as the supporting structural system to house air-cooled condensers in thermal power plants (TPPs). Firstly, pseudo-dynamic tests (PDTs) are performed on a scaled substructure to investigate the seismic performance of this hybrid structure under different hazard levels. The deformation performance, deterioration behavior and energy dissipation characteristics are analyzed. Then, a cyclic loading test is conducted after the final loading case of PDTs to verify the ultimate seismic resistant capacity of this hybrid structure. Finally, the failure mechanism is discussed through mechanical analysis based on the test results. The research results indicate that the steel truss-RC tubular column hybrid structure is an anti-seismic structural system with single-fortification line. RC tubular columns are the main energy dissipated components. The truss-to-column connections are the structural weak parts. In general, it has good ductile performance to satisfy the seismic design requirements in high-intensity earthquake regions.

Keywords

Acknowledgement

Supported by : National Natural Science Foundation of China, Natural Science Foundation of Shaanxi Province, China Postdoctoral Science Foundation

References

  1. Berrichon, J.D., Louahlia-Gualous, H., Bandelier, P., Clement, P. and Bariteau, N. (2015), "Experimental study of flooding phenomenon in a power plant refuex air-cooled condenser", Appl. Therm. Eng., 79, 214-224. https://doi.org/10.1016/j.applthermaleng.2014.11.070.
  2. Borghei, L. and Khoshkho, R.H. (2012), "Computational fluid dynamics simulation on a thermal power plant with air-cooled condenser", J. Power Energy, 226, 837-884. https://doi.org/10.1177/0957650912454821.
  3. Bredell, J.R., Kroger, D.G. and Thiart, G.D. (2006), "Numerical investigation of fan performance in a forced draft air-cooled steam condenser", Appl. Therm. Eng., 26, 846-852. https://doi.org/10.1016/j.applthermaleng.2005.09.020.
  4. Bustamante, J.G., Rattner, A.S. and Garimella, S. (2015), "Achieving near-water-cooled power plant performance with air-cooled condensers", Appl. Therm. Eng., 72, 1-10. https://doi.org/10.1016/j.applthermaleng.2015.05.065.
  5. Chisari, C., Bedon, C. and Amadio, C. (2015), "Dynamic and static identification of base-isolated bridges using Genetic Algorithms", Eng. Struct., 102, 80-92. https://doi.org/10.1016/j.engstruct.2015.07.043.
  6. Dai, H.J. and Wang, B. (2018), "Seismic analysis of steel solid web girder-RC tubular column hybrid structure", Appl. Sci., 8, 2095. https://doi.org/10.3390/app8112095.
  7. Dall'Asta, A., Leoni, G., Morelli, F., Salvatore, W. and Zona, A. (2017), "An innovative seismic-resistant steel frame with reinforced concrete infill walls", Eng. Struct., 141, 144-158. https://doi.org/10.1016/j.engstruct.2017.03.019.
  8. Deierlein, G.G. and Noguchi, H. (2004), "Overview of US-Japan research on the seismic design of composite reinforced concrete and steel moment frame structures", J. Struct. Eng., 130, 361-367. https://doi.org/10.1061/(ASCE)0733-9445(2004)130:2(361).
  9. Ding, Y., Wu, M., Xu, L.H., Zhu, H.T. and Li, Z.X. (2016), "Seismic damage evolution of steel-concrete hybrid spaceframe structures", Eng. Struct., 119, 1-12. https://doi.org/10.1016/j.engstruct.2016.04.007.
  10. GB 18306-2015 (2015), Seismic Ground Motion Parameters Zonation Map of China, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China, Beijing, China. (In Chinese)
  11. GB 50011-2010 (2016), Code for Seismic Design of Buildings, Ministry of Housing and Urban-Rural Development of the People's Republic of China, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Beijing, China. (In Chinese)
  12. Ibarra, L.F., Medina, R.A. and Krawinkler, H. (2005), "Hysteretic models that incorporate strength and stiffness deterioration", Earthq. Eng. Struct. Dyn., 34, 1489-1511. https://doi.org/10.1002/eqe.495.
  13. JGJ 101/T-2015 (2015), Specification for Seismic Test of Buildings, Ministry of Housing and Urban-Rural Development of the People's Republic of China; Beijing, China. (In Chinese)
  14. Kumar, S., Itoh, Y., Saizuka, K. and Usami, T. (1997), "Pseudo dynamic testing of scaled nodels", J. Struct. Eng., 123(4), 524-526. https://doi.org/10.1061/(ASCE)0733-9445(1997)123:4(524).
  15. Mahin, S. and Shing, P.B. (1985), "Pseudo dynamic method for seismic testing", J. Struct. Eng., 111(7), 1482-1503. https://doi.org/10.1061/(ASCE)0733-9445(1985)111:7(1482).
  16. Nakashima, M., Kato, H. and Takaoka, E. (1992), "Development of real-time pseudo dynamic testing", Earthq. Eng. Struct. Dyn., 21, 79-92. https://doi.org/doi:10.1002/eqe.4290210106.
  17. Nguyen, Q.H., Tran, V.T. and Hjiaj, M. (2017), "Hybrid RC-steel members under bending and shear: Experimental investigation and design model", J. Constr. Steel Res., 138, 837-850. https://doi.org/10.1016/j.jcsr.2017.06.017.
  18. O' Donovan, A. and Grimes, R. (2014), "A theoretical and experimental investigation into the thermodynamic performance of a 50 MW power plant with a novel modular air-cooled condenser", Appl. Therm. Eng., 71, 119-129. https://doi.org/10.1016/j.applthermaleng.2014.06.045.
  19. Odabaee, M. and Hooman, K. (2011), "Application of metal foams in air-cooled condensers for geothermal power plants: An optimization study", Int. Commun. Heat Mass Transfer, 38, 838-843. https://doi.org/10.1016/j.icheatmasstransfer.2011.03.028.
  20. Sivandi-Pour, A., Gerami, M. and Kheyroddin, A. (2016), "Uniform damping ratio for non-classically damped hybrid steel concrete structures", Int. J. Civil Eng., 14, 1-11. https://doi.org/10.1007/s40999-016-0003-8.
  21. Wang, B., Dai, H.J., Bai, Y.T. and Xiao, K. (2019), "Influence mechanism of steel diagonal braces on mechanical behavior of steel truss-RC tubular column hybrid structure", J. Earthq. Eng., 1-17. https://doi.org/10.1080/13632469.2019.1605317.
  22. Wang, B., Dai, H.J., Wu, T., Bai, G.L. and Bai, Y.T. (2018), "Experimental investigation on seismic behavior of steel truss-RC column hybrid structure with steel diagonal braces", Appl. Sci., 8, 131. https://doi.org/10.3390/app8010131.
  23. Wang, J.F. and Zhang, H.J. (2017), "Seismic performance assessment of blind bolted steel-concrete composite joints based on pseudo-dynamic testing", Eng. Struct., 131, 192-206. https://doi.org/10.1016/j.engstruct.2016.11.011.

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