Finite Element Analysis of Composite Ceramic-Concrete Slab Constructions Exposed to Fire

Article Preview

Abstract:

In this research, conjugated thermal and fluid dynamics simulations are presented on a modern hollow clay slab blocks filled pre-stressed reinforced concrete beam slab construction. The simulation parameters were set from Eurocode standards and calibrated using data from standardized fire tests of the same slab construction. We evaluated the temperature distributions of the slabs under transient conditions against standard fire load. Knowing the temperature distribution against time at certain points of the structure, the loss of load bearing capacity of the structure is definable at elevated temperatures. The results demonstrated that we could pre-establish the thermal behavior of complex composite structures exposed to fire using thermal and CFD simulation tools. Our results and method of fire resistance tests can contribute to fire safety planning of buildings.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

88-95

Citation:

Online since:

December 2016

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2017 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

* - Corresponding Author

[1] D. Kakogiannis, F. Pascualena, B. Reymen, L. Pyl, J.M. Ndambi, E. Segers, D. Lecompte, J. Vantomme, T. Krauthammer, Blast performance of reinforced concrete hollow core slabs in combination with fire: Numerical and experimental assessment, Fire Safety J. 57 (2013).

DOI: 10.1016/j.firesaf.2012.10.027

Google Scholar

[2] I. Venanzi, M. Breccolotti, A. D'Alessandro, A.L. Materazzi, Fire performance assessment of HPLWC hollow core slabs through full-scale furnace testing, Fire Safety J. 69 (2014) p.12–22.

DOI: 10.1016/j.firesaf.2014.07.004

Google Scholar

[3] T.T. Nguyen, K.H. Tan, I.W. Burgess, Behaviour of composite slab-beam systems at elevated temperatures: Experimental and numerical investigation, Eng. Struct. 82 (2015) p.199–213.

DOI: 10.1016/j.engstruct.2014.10.044

Google Scholar

[4] A.M. Shakya, V.K.R. Kodur, Response of precast prestressed concrete hollowcore slabs under fire conditions, Eng. Struct. 87 (2015) p.126–138.

DOI: 10.1016/j.engstruct.2015.01.018

Google Scholar

[5] L. Lausova, I. Skotnicova, V. Michalcova, Thermal transient analysis of steel hollow sections exposed to fire, Per. Sci. 7 (2016) p.247—252.

DOI: 10.1016/j.pisc.2015.11.040

Google Scholar

[6] J.V. Aguado, V. Albero, A. Espinos, A. Hospitaler, M.L. Romero, A 3D finite element model for predicting the fire behavior of hollow-core slabs, Eng. Struct. 108 (2016) p.12–27.

DOI: 10.1016/j.engstruct.2015.11.008

Google Scholar

[7] G.L. Balázs, É. Lubloy, Fire resistance for thin-webbed concrete and masonry elements, Application of Structural Fire Engineering: Proceedings of the International Conference in Dubrovnik, Dubrovnik, (2015).

DOI: 10.14311/asfe.2015.036

Google Scholar

[8] ISO 834-1: 1999, Fire-resistance tests — Elements of building construction — Part 1: General requirements, ISO, Geneve, (1999).

Google Scholar

[9] EN 1365-2: 2014 Fire resistance tests for loadbearing elements. Part 2: Floors and roofs, CEN, Brussels, (2014).

DOI: 10.3403/30271390

Google Scholar

[10] COMSOL Multiphysics 5. 0 User's Manual, Stockholm, (2015).

Google Scholar

[11] EN 1992-1-2: 2004 Eurocode 2: Design of concrete structures. Part 1-2: General rules. Structural fire design, CEN, Brussels, (2004).

Google Scholar

[12] EN 1993-1-2: 2004 Eurocode 3: Design of steel structures. Part 1-2: Structural fire design, CEN, Brussels, (2004).

Google Scholar

[13] EN 1996-1-2: 2004 Eurocode 6: Design of masonry structures. Part 1-2: General rules. Structural fire design, CEN, Brussels, (2004).

DOI: 10.3403/30116737

Google Scholar

[14] EN 1745: 2012 Masonry and masonry products. Methods for determining thermal properties, CEN, Brussels, (2012).

Google Scholar