Significance Analysis of Flexural Behaviour of Hybrid Sandwich Panels

Jauhar Fajrin, Yan Zhuge, Frank Bullen, Hao Wang

Centre of Excellence in Engineering Composite (CEEFC), University of Southern Queensland Toowoomba, Toowoomba, Australia.

DOI: 10.4236/ojce.2013.33B001                

Abstract

This paper presents the significance analysis of a new type of hybrid composite sandwich wall panel which can be manufactured as modular panelised system. Two different types of natural fibers reinforced plastics (NFRP) laminate were incorporated into the new sandwich panel as an intermediate layer. The significance analysis in this research has been carried out using analysis of variance (ANOVA). As the aim of the analysis is to select the most appropriate natural fiber composites for the intermediate layer, the experiments were arranged as a single factor experiment in which 3 levels of a factor have been examined. The factor refers to the type of intermediate layer used in the sandwich panel. The result of this study shows that the incorporation of intermediate layer has significantly enhanced the load carrying capacity of the sandwich panels.

Keywords

Hybrid Structure; Sandwich Panels; Significance Analysis; Natural Fiber Composites; Building Construction

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	A. S. A. Vaidya, N. Uddin and U. Vaidya, “Structural Characterization of Composite Structural Insulated Panels for Exterior Wall Applications,” ASCE Journal of Composites for Construction, Vol. 14, 2010, pp. 464-469. http://dx.doi.org/10.1061/(ASCE)CC.1943-5614.0000037
[2]	A. Gelman and H. Stern, “The Difference between Significant and Not Significant Is Not Itself Statistically Sigfinicant,” The American Statistician, Vol. 60, No. 4, 2006, pp. 328-331. http://dx.doi.org/10.1198/000313006X152649
[3]	B. Balzer and J. McNabb, “Significant Effect of Microwave Curing on Tensile Strength of Carbon Fiber Composites,” Journal of Industrial Technology, Vol. 24, No. 3, 2008, pp. 2-8.
[4]	Z. Jun, X. Wang, J. Chang and K. Zheng, “Optimization of Processing Variables in Wood-Rubber Composite Panel Manufacturing Technology,” Journal of Bioresource Technology, Elsevier, Vol. 99, No. 7, 2008, pp. 2384- 2391. http://dx.doi.org/10.1016/j.biortech.2007.05.031
[5]	A. Shahdin, L. Mezeix, C. Bouver, J. Morlier and Y. Gourinat, “Fabrication and Mechanical Testing of Glass Fiber Entangled Sandwich Beams: A Comparison with Honeycomb and Foam Sandwich Beams,” Composite Structures, Elsevier, Vol. 90, No. 4, 2009, pp. 404-412. http://dx.doi.org/10.1016/j.compstruct.2009.04.003
[6]	N. Venkateshwarah, A. Elayaperumal and G. K. Sathiya, “Prediction of Tensile Properties of Hybrid-Natural Fiber Composites,” Composites Part B: Engineering, Elsevier, Vol. 43, No. 2, 2012, pp. 793-796. http://dx.doi.org/10.1016/j.compositesb.2011.08.023
[7]	M. Periasamy, B. Manickam and K. Hariharasubramaniam, “Impact Properties of Aluminium—Glass Fiber Reinforced Plastics Sandwich Panels,” Materials Research, Vol. 15, No. 3, 2012. http://dx.doi.org/10.1590/S1516-14392012005000036
[8]	J. Fajrin, Y. Zhuge, F. Bullen and H. Wang, “Flexural Strength of Sandwich Panel with Lignocellulosic Composites Intermediate Layer—A Statistic Approach,” International Journal of Protective Structures, Vol. 2, No. 4, 2011, pp. 453-464.