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Keywords: composite slab, profiled steel sheeting, experiment, numerical simulation.

Summary

The interaction between concrete and profiled steel sheeting in simply supported composite slabs is studied in this paper. The analysis of composite structures is complex and highly nonlinear [1]. The main goal of this paper is to investigate both experimentally and numerically the longitudinal shear behaviour at the interface of composite slabs. The main failure modes of composite slabs are presented.

According to Eurocode 4 [2], a series of full-scale tests should be performed in order to obtain the failure load, the mode of failure, the load-deflection curve and the load-slip curve. A total number of six specimens have been tested in two groups of three specimens. One specimen from each group has been subjected to an increasing static load in order to determine the failure load. The other two specimens from each group have been firstly subjected to a cyclic load and subsequently to an increasing static load. The cyclic load has been applied for three hours at a frequency of 0.5 Hz [3].

Furthermore, a three dimensional finite element model has been created, using the ANSYS software package, in order to describe the physical problem. Contact elements have been used to simulate the interaction between concrete and the trapezoidal steel sheeting [4]. The experimental loading pattern has been maintained.

The comparison of the experimental results to the computational ones revealed close agreement between them in terms of load-deflection curves. The composite slabs have had a brittle failure mode. The slip at the interface of the slabs was present from the beginning of the loading. The cyclic loading during the experimental process has broken the chemical bond between concrete and steel. In conclusion, the computational model proposed is evaluated as relatively simple and highly accurate.

References

1: P. Makeläinen, Y. Sun, "The longitudinal shear behaviour of a new steel sheeting profile for composite slabs", Journal of Constructional Steel Research, 49, 117- 128, 1999. doi:10.1016/S0143-974X(98)00211-9
2: EN 1994-1-1: Eurocode 4: Design of composite steel and concrete structures-Part 1-1: General rules and rules for buildings, Brussels, Belgium, 1992.
3: V. Marimthu, S. Seetharaman, S. Arul Jayachandran, A. Chellapan, T.K. Bandyopadhyay, D. Dutta, "Experimental studies on composite deck slabs to determine the shear-bond characteristic (m-k) values of the embossed profiled sheet", Journal of Constructional Steel Research 63, 791-803, 2007. doi:10.1016/j.jcsr.2006.07.009
4: S. Moaveni, "Finite Element analysis: Theory and Application with ANSYS", Prentice Hall, New Jersey, USA, 1999.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 86 PROCEEDINGS OF THE ELEVENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: B.H.V. Topping Paper 29 A Computational and Experimental Study of Composite Slabs with Profiled Steel Sheeting T. Tsalkatidis and A. Avdelas Department of Civil Engineering, Aristotle University of Thessaloniki, Greece doi:10.4203/ccp.86.29 purchase the full-text of this paper Full Bibliographic Reference for this paper T. Tsalkatidis, A. Avdelas, "A Computational and Experimental Study of Composite Slabs with Profiled Steel Sheeting", in B.H.V. Topping, (Editor), "Proceedings of the Eleventh International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 29, 2007. doi:10.4203/ccp.86.29 Keywords: composite slab, profiled steel sheeting, experiment, numerical simulation. Summary The interaction between concrete and profiled steel sheeting in simply supported composite slabs is studied in this paper. The analysis of composite structures is complex and highly nonlinear [1]. The main goal of this paper is to investigate both experimentally and numerically the longitudinal shear behaviour at the interface of composite slabs. The main failure modes of composite slabs are presented. According to Eurocode 4 [2], a series of full-scale tests should be performed in order to obtain the failure load, the mode of failure, the load-deflection curve and the load-slip curve. A total number of six specimens have been tested in two groups of three specimens. One specimen from each group has been subjected to an increasing static load in order to determine the failure load. The other two specimens from each group have been firstly subjected to a cyclic load and subsequently to an increasing static load. The cyclic load has been applied for three hours at a frequency of 0.5 Hz [3]. Furthermore, a three dimensional finite element model has been created, using the ANSYS software package, in order to describe the physical problem. Contact elements have been used to simulate the interaction between concrete and the trapezoidal steel sheeting [4]. The experimental loading pattern has been maintained. The comparison of the experimental results to the computational ones revealed close agreement between them in terms of load-deflection curves. The composite slabs have had a brittle failure mode. The slip at the interface of the slabs was present from the beginning of the loading. The cyclic loading during the experimental process has broken the chemical bond between concrete and steel. In conclusion, the computational model proposed is evaluated as relatively simple and highly accurate. References 1 P. Makeläinen, Y. Sun, "The longitudinal shear behaviour of a new steel sheeting profile for composite slabs", Journal of Constructional Steel Research, 49, 117- 128, 1999. doi:10.1016/S0143-974X(98)00211-9 2 EN 1994-1-1: Eurocode 4: Design of composite steel and concrete structures-Part 1-1: General rules and rules for buildings, Brussels, Belgium, 1992. 3 V. Marimthu, S. Seetharaman, S. Arul Jayachandran, A. Chellapan, T.K. Bandyopadhyay, D. Dutta, "Experimental studies on composite deck slabs to determine the shear-bond characteristic (m-k) values of the embossed profiled sheet", Journal of Constructional Steel Research 63, 791-803, 2007. doi:10.1016/j.jcsr.2006.07.009 4 S. Moaveni, "Finite Element analysis: Theory and Application with ANSYS", Prentice Hall, New Jersey, USA, 1999. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £120 +P&P)
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