Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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Thermal Strain Properties of Normal and Clay-ash Light-weight Concrete with Loading Condition

하중조건에 따른 보통 및 Clay-ash계 경량골재 콘크리트의 열팽창변형

  • Received : 2012.02.02
  • Published : 2012.05.25
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Abstract

In case of concrete, it should be deformed by many factors such as explosive spalling, thermal strain and creep at high temperature. structural fire design have been proposed to predict fire damage as national standard. It is general safer to use values obtained from tests of unstressed residual test in stead of stressed test. But most of thermal properties on concrete was conducted with normal aggregate. In this study, test was conducted to evaluate stressed effect concerning normal weight and light weight concrete of 60MPa. Our experimental procedure was based on RILEM recommendation. Loading level was 0, 20 and 40 percent of compressive strength at room temperature. And thermal strain properties of concrete was carried out by 100, 200, 300, 500 and $700^{\circ}C$. Also, results can be analyzed as compare thermal strain properties at elevated temperature with CEN and CEB code.

Keywords

Acknowledgement

Supported by : 한국연구재단

References

  1. 소양섭, "고성능 콘크리트의 내화성능", 콘크리트학회지, Vol. 14 No. 2, 2002, pp.37-44.
  2. 김흥열, 고온 영역에서 고강도 콘크리트의 역학적 특성에 관한 실험적 연구, 건국대학교 박사학위논문, 2003.
  3. 윤현도, 김규용, 한병찬, "고온을 받은 고강도 콘크리트의 강도특성", 한국콘크리트학회논문집, Vol. 14, No. 5, 2002, pp.698-707.
  4. 김규용, 김영선, 이태규, 윤문기, "설계하중 사전재하 및 비재하방식에 의한 고강도콘크리트의 고온특성 평가", 콘크리트학회 논문집, Vol. 20 No. 5, 2008. 10, pp.583-592.
  5. 김규용, 김영선, 이태규, 윤문기, "콘크리트의 고온특성 평가를 위한 열전달가열 시험방법에 관한 기초적 연구", 한국콘크리트학회논문집, Vol. 24, No. 4, 2008, pp.109-117
  6. 한천구, 한민철, 김원기, 이주선, "고강도 콘크리트의 폭렬방지에 미치는 혼화재 및 PP 섬유의 영향", 대한건축학회논문집 구조계, 25권, 11호, 2009, pp. 105-111
  7. Y. Anderberg, S. Thelandersson, "Stress and deformation characteristics of concrete at high temperature: Part 2 Experimental investigation and material behaviour model", Bulletin 54, University of Lund, Sweden, 1976, 1-84
  8. Carlos Castillo, A. J. Durrani, "Effect of Transient High Te mperature on High Strength Concrete", ACI Material Journal, Vol. 87, No. 1, 1990, pp.47-53.
  9. Comites Euro-International Du Beton, Fire Design of Concrete Structures-in accordance with CEB/FIP Model Code 90 (Final Draft), CEB Bulletin D'Information No. 208, July, 1991, Lausanne, Switzerland, pp. 33-48
  10. Sullivan, P.J.E. et. al., Performance of concrete at elevated temperatures (as measured by the reduction in compressive strength), Fire Technology, Vol.28, No.3, 1992, pp.351-359
  11. RILEM Technical Committee, recommendation :Part 6- Thermal strain, Materials and Structures, 1997, pp.17-21
  12. Yngve Anderberg, Fire Safety Design, "Spalling Phenomena of HPC and OC", NIST Workshop on Fire Performance of High Strength Concrete, 1997, pp. 1-5
  13. RILEM Technical Committee, recommendation :Part 7- Transient creep, Materials and Structures, 1998, pp.290-295
  14. Kodur, V.K.R. and Lie, T.T., 1998. "Fire Resistance of Fibre-Reinforced Concrete"; Fibre Reinforced Concrete: Present and the Future, Canadian Society of Civil Engineers, pp. 189-213.
  15. Long T.Phan, "High-strength concrete at high temperature-An Overview", Utilization of High Strength/High Performance Concrete, 6th International Symposium. Proceedings. Volume 1. 2002, pp. 501-518
  16. Long T.Phan, "High-strength concrete at high temperature-An Overview", Utilization of High Strength/High Performance Concrete, 6th International Symposium. Proceedings. Volume 1. 2002, pp. 501-518
  17. 宫本圭一外, "高溫度における高强度コンクリートの力學的特性に關する硏究", 日本建築學會構造系論文集,第574號, 2003, pp.227-234.
  18. Comite Europeen de Normalisation (CEN), BS EN Eurocode 2: Design of concrete structures. Part 1-2: Structural Fire Design, 2004, pp. 19-32
  19. Kodur. V.K.R. et. al. Effect of temperature on Thermal properties of high-strength Concrete, Journal of Materials in Civil Engineering, ASCE, Vol.15, No.2, 2003, pp101-107 https://doi.org/10.1061/(ASCE)0899-1561(2003)15:2(101)
  20. Hertz KD, "Limits of spalling of fire-exposed concrete", Fire Safety Journal, Vol. 38, 2003, pp. 103-116 https://doi.org/10.1016/S0379-7112(02)00051-6
  21. 豊田康二, 平島岳夫, 上杉英樹, "超高强度コンクリートの高温下における力學的特性に關する實驗的研究(その１,2)", 日本建築學會大會學術講演梗械集, 2003, pp.169-172.
  22. K. D. Hertz, Concrete strength for fire safety design, Magazine of Concrete Research, vol.57, No. 8, 2005, pp.445-453 https://doi.org/10.1680/macr.2005.57.8.445
  23. M. Potha Raju, K. Srinicasa Rao, P. S. N. Raju, "Compressive Strength of Heated High-strength Concrete", Magazine of Concrete Research, Vol. 59, No. 2, 2007, pp.79-85. https://doi.org/10.1680/macr.2007.59.2.79
  24. Yufang Fu, Lianchong Li, "Study on mechanism of thermal spalling in concrete exposed to elevated temperature", Material and Structures, Vol.44, 2011, pp. 361-376 https://doi.org/10.1617/s11527-010-9632-6