Metody oceny stanu betonu w konstrukcji po pożarze

• Autorzy: Hager I.

Warianty tytułu

EN

Methods for assessing the state of concrete in fire damaged structures

• Języki publikacji: PL

Abstrakty

PL

Artykuł stanowi opracowany na podstawie literatury przegląd metod stosowanych w celu oceny wpływu działania wysokiej temperatury na beton w konstrukcji. Przedstawiono w nim techniki oceny uszkodzeń pożarowych betonu możliwych do stosowania in situ oraz metody laboratoryjne. Omówiono podstawowe założenia opisanych metod.

EN

This paper reviews the current state of the art in the use of diagnostic methods to assess the impact of high temperature on structural concrete. In situ techniques and laboratory methods for the assessment of fire damaged concrete are described. The basic assumptions of those methods are discussed.

Słowa kluczowe

PL

beton; konstrukcja betonowa; pożar; oddziaływanie temperatury; uszkodzenie pożarowe; stan techniczny; ocena stanu; metodyka oceny

EN

concrete; concrete construction; fire; temperature action; fire damage; technical condition; technical condition evaluation; evaluation methodology

• Wydawca: Fundacja Cement, Wapno, Beton
• Czasopismo: Cement Wapno Beton
• Rocznik: 2009
• Tom: R. 14/76, nr 4
• Strony: 167--178
• Opis fizyczny: Bibliogr. 16 poz., il.

Twórcy

autor

Hager I.

• Politechnika Krakowska, Katedra Technologii Materiałów Budowlanych i Ochrony Budowli

Bibliografia

• 1. I. Hager, P. Pimienta, Impact of the polypropylene fibers on the mechanical properties of HPC concrete, Proceedings of Sixth Rilem Symposium on Fibre Reinforced Concrete (FRC), BEFIB 2004, September 2004, Varenna, Italy.
• 2. I. Hager, J. Śliwiński, T. Durica, The impact of heating conditions on temperature distribution in high performance concrete specimens of various shapes and sizes.", Slovak Journal of Civil Engineering, Volume XIV, 2006/2, p. 8-13.
• 3. I. Hager, P. Pimienta, Mechanicai properties of HPC at high temperatures, Proc. Int. Workshop fib Task Group 4.3, Fire Design of Concrete Structures: What now? What next? Milan, Italy, Decernber, 2004. p. 95-100.
• 4. I. Hager, Comportement à haute température des bétons à haute performance - évolution des principales propriétés mécaniques, thése du doctorat, Ecole Nationale des Ponts et Chaussées: listopad 2004.
• 5. Concrete Structures After Fire, Concrete Construction, March 1972, Vol. 17, No. 3, Concrete Construction Publications, Inc., Addison, IL, 1972, p. 101.
• 6. Fire design of concrete structures - structural behavior and assessment. State-of-art report prepared by Task Group 4.3, Fire design of concrete structures, FIB - Federation International du Béton, July 2008, p. 209.
• 7. EN 1992-1-2: Eurocode 2 - Design of concrete structures. Part 1.2: General rules - Structural fire design, December 2004, p. 97.
• 8. Présentation des techniques de diagnostic de l'état d'un beton soumis à un incendie, décembre 2005, n° 62, Laboratoire Central des Ponts et Chaussées, Paris, France, p. 114.
• 9. Assessment and Repair of Fire-Damaged Concrete Structures, Technical Report No . 33, The Concrete Society, London, United Kingdom, 1990.
• 10. M. Colombo, R. Felicetti, New NDT techniques for the assessment of fire-damaged concrete structures, Fire Safety Journal, Vol. 42, Issues 6-7, September-October 2007, Pages 461-472.
• 11. R. Felicetti, The drilling resistance test for the assessment of fire damaged concrete, Cement and Concrete Composites, Vol. 28, Issue 4, April 2006, Pages 321-329.
• 12. http://www.ndtjames.com/catalog/strengthTesting/windsorHighPerformanceProbe_standard.html.
• 13. D. C. K. Tay, C. T. Tam, In situ investigation of the strength of deteriorated concrete, Construction and Building Materials, Vol. 10 (1996), p. 17-26.
• 14. Internal fracture testing of in-situ concrete: a method of assessing compressive strength, Building Research Establishment, BRE Information paper IP22/80, 1980, p. 4.
• 15. N. R. Short, J. A. Purkiss, S. E. Guise, Assessment of fire damaged concrete using color image analysis, Construction and Building Materials, Vol. 15 (2001) p. 9-15.
• 16. N. R, Short, J. A, Purkiss, S. E. Guise, Assessment of fire damaged concrete using crack density measurements, Structural Concrete, Vol. 5 (2002), p. 137-143.