Structural Engineering and Mechanics

  • 제42권6호
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  • Pages.815-829
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  • 2012
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Integrated fire dynamic and thermomechanical modeling of a bridge under fire

  • Choi, Joonho (School of Civil and Environmental Engineering, Georgia Institute of Technology) ;
  • Haj-Ali, Rami (School of Civil and Environmental Engineering, Georgia Institute of Technology) ;
  • Kim, Hee Sun (Architectural Engineering Department, Ewha Womans University)
  • 투고 : 2011.08.05
  • 심사 : 2012.05.01
  • 발행 : 2012.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper proposes a nonlinear computational modeling approach for the behaviors of structural systems subjected to fire. The proposed modeling approach consists of fire dynamics analysis, nonlinear transient-heat transfer analysis for predicting thermal distributions, and thermomechanical analysis for structural behaviors. For concretes, transient heat formulations are written considering temperature dependent heat conduction and specific heat capacity and included within the thermomechanical analyses. Also, temperature dependent stress-strain behaviors including compression hardening and tension softening effects are implemented within the analyses. The proposed modeling technique for transient heat and thermomechanical analyses is first validated with experimental data of reinforced concrete (RC) beams subjected to high temperatures, and then applied to a bridge model. The bridge model is generated to simulate the fire incident occurred by a gas truck on April 29, 2007 in Oakland California, USA. From the simulation, not only temperature distributions and deformations of the bridge can be found, but critical locations and time frame where collapse occurs can be predicted. The analytical results from the simulation are qualitatively compared with the real incident and show good agreements.

키워드

참고문헌

  1. ACI Committee 216 (1994), "Guide for determining the fire endurance of concrete elements", American Concrete Institute Committee Report, 216R1-48.
  2. Ahmed, G. and Hurst, J.P. (1999), "Modeling pore pressure, moisture, and temperature in high strength concrete columns exposed to fire", Fire Technol., 35, 232-262. https://doi.org/10.1023/A:1015436510431
  3. Alnahhal, W.I., Chiewanichakorn M., Aref, A.J. and Alampalli, S. (2006), "Temporal thermal behavior and damage simulations of FRP deck", J. Bridge Eng., 11(4), 452-464. https://doi.org/10.1061/(ASCE)1084-0702(2006)11:4(452)
  4. Alnahhal, W.I., Chiewanichakorn, M. and Aref, A.J. (2007), "Simulations of structural behaviour of fibrereinforced polymer bridge deck under thermal effects", Int. J. Mater. Product Technol., 28(1-2), 122-140. https://doi.org/10.1504/IJMPT.2007.011513
  5. Branco, F.A. and Mendes, P.A. (1993), "Thermal actions for concrete bridge design", J. Struct. Eng., 119(8), 2313-2231. https://doi.org/10.1061/(ASCE)0733-9445(1993)119:8(2313)
  6. California Interchange Collapses After Tanker Fire, FOX news Channel (2007), http://www.foxnews.com/story/0,2933,269118,00.html
  7. Chen, J., Young, B. and Uy, B. (2006), "Behavior of high strength structural steel at elevated temperatures", J. Struct. Eng., 132, 1948-1954. https://doi.org/10.1061/(ASCE)0733-9445(2006)132:12(1948)
  8. Cheng, F., Kodur, V.K.R. and Wang, T. (2004), "Stress-strain curves for high strength concrete at elevated temperature", J. Mater. Civil Eng., 16(1), 84-90. https://doi.org/10.1061/(ASCE)0899-1561(2004)16:1(84)
  9. Choi, J., Kim, H.S. and Haj-Ali, R.M. (2010), "Integrated fire dynamics and thermomechanical modeling framework for steel-concrete composite structures", Steel Compos. Struct., 10(2), 129-149. https://doi.org/10.12989/scs.2010.10.2.129
  10. Dotreppe, J.C., Majkut, S. and Franssen, J.M. (2006), "Failure of a tied-arch bridge submitted to a severe localized fire", Struct. Extreme Events, IABSE Symposium, 272-273.
  11. Elghazouli, A.Y. and Izzuddin, B.A. (2000), "Response of idealised composite beam-slab systems under fire conditions", J. Constr. Steel Res., 56, 199-224. https://doi.org/10.1016/S0143-974X(00)00006-7
  12. Elghazouli, A.Y. and Izzuddin, B.A. (2004), "Realistic modeling of composite and reinforced concrete floor slabs under extreme loading. I: analytical method", J. Struct. Eng., 130(12), 1972-1984. https://doi.org/10.1061/(ASCE)0733-9445(2004)130:12(1972)
  13. Elghazouli, A.Y., Izzuddin, B.A. and Richadson, A.J. (2000), "Numerical modeling of the structural fire behavior of composite buildings", Fire Safety J., 35, 279-297. https://doi.org/10.1016/S0379-7112(00)00044-8
  14. ENV (1995), "Eurocode 2: Design of concrete structures - Part 1-2: General rules - Structural fire design", 1992- 1-2 European Pre-standard.
  15. ENV (1995), "Eurocode 3: Design of Steel Structures - Part 1-2: Fire Resistance", 1993-1-2 European Prestandard.
  16. Gopalaratnam, V.S. and Shah, S.P. (1985), "Softening response of plain concrete in direct tension", J. Am. Concrete Inst., 82, 310-323.
  17. Harmathy, T.Z. (1983), "Properties of building materials at elevated temperatures", DRP Paper No. 1080 of the Division of Building Research.
  18. Harmathy, T.Z. (1988), "Properties of building materials in SFPE Handbook of fire protection engineering", Ed. DiNenno, P.J. et. al, Section 1, Chapter 26, 378-391.
  19. History for Oakland, CA on Sunday, April 29 (2007), The weather underground, Inc. http://www.wunderground.com/history/airport/KOAK/2007/4/29/DailyHistory.html
  20. Keller, T., Tracy, C. and Hugi, E. (2006), "Fire endurance of loaded and liquid-cooled GFRP slabs for construction", Compos. Part A-Appl. S., 37(7), 1055-1067. https://doi.org/10.1016/j.compositesa.2005.03.030
  21. Kodur, V.K.R. and Sultan, M.A. (2003), "Effect of temperature on thermal properties of high-strength concrete", J. Mater. Civil Eng., 15(2), 101-107. https://doi.org/10.1061/(ASCE)0899-1561(2003)15:2(101)
  22. Marzouk, H. and Chen, Z.W. (1995), "Fracture energy and tension properties of high-strength concrete", J. Mater. Civil Eng., 7, 108-116. https://doi.org/10.1061/(ASCE)0899-1561(1995)7:2(108)
  23. Maze Damage & Repair Photographs, California Department of Transportation District 4 (2007), http:// www.dot.ca.gov/dist4/mazedamage/mazephotos.htm
  24. Mendes, P.A., Valente, J.C. and Branco, F.A. (2000), "Simulation of ship fire under Vasco da Gama Bridge", ACI Struct. J., 97(2), 285-290.
  25. Moorty, S. and Roeder, C.W. (1992), "Temperature-dependent bridge movements", J. Struct. Eng., 118(4), 1090- 1105. https://doi.org/10.1061/(ASCE)0733-9445(1992)118:4(1090)
  26. Neves, I.C., Branco, F.A. and Valente, J.C. (1997), "Effects of formwork fires in bridge construction" Concrete Int., 19(3), 41-46.
  27. Outinen, J. and Makelainen, P. (2004), "Mechanical properties of structural steel at elevated temperatures and after cooling down", Fire Mater., 28, 237-251. https://doi.org/10.1002/fam.849
  28. Shin, M., Kim, H.S. and Shin, Y.S. (2003), "Structural behavior of flexural member with normal & high strength concrete under high temperature", Proceedings of Korea Institute for Structural Maintenance Inspection, 7(2), 157-160.
  29. Silveira, A.P., Branco, F.A. and Castanheta, M. (2000), "Statistical analysis of thermal actions for concrete bridge design", Structural Engineering International: Journal of the International Association for Bridge and Structural Engineering (IABSE), 10(1), 33-38.
  30. Tanker Fire Destroys Part of MacArthur Maze 2 Freeways Closed Near Bay Bridge, San Francisco Chronicle (2007), http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2007/04/29/BAGVOPHQU46.DTL

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  11. Case Study on Prediction of Temperature in Compartment Considering Fire Conditions in Buildings vol.21, pp.4, 2012, https://doi.org/10.9798/kosham.2021.21.4.61
  12. Coupled CFD-FEM Simulation Methodology for Fire-Exposed Bridges vol.26, pp.10, 2012, https://doi.org/10.1061/(asce)be.1943-5592.0001770
  13. Bridge fires in the 21st century: A literature review vol.126, pp.None, 2021, https://doi.org/10.1016/j.firesaf.2021.103487