Transformed-section method applied to multispecies glulam timber beams subjected to pure bending

Abstract

An analytical model, based on the Parallel axis theorem (Steiner theorem) and the procedure of the transformed-section method applied for the evaluation of the elastic moduli of composite timber beams, with different tensile-compressive elastic behavior, is proposed. A comparison between experimental and analytic results has been made on multispecies glulam beams (Pine and Platanus timber), compared with mono-species ones. As well, the work presents the results of a parametric analysis, based on the global modulus and the equivalent moduli in tension and compression.

Keywords:

• Transformed-section method
• composite glulam beams
• multispecies timber beams
• parallel axis theorem
• bending
• timber

Acknowledgments

Acknowledgement is due to Dr. María A. Ripoll from the IFAPA for the supply of Platanus wood, the company Madera Pinosoria for the supply of pine wood, and the professor Antolino Gallego (University of Granada) for his support along the experimental campaign, data interpretation and review of the paper.

Declaration of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Additional information

Funding

This work was supported by the Ministerio de Economía, Industria y Competitividad under Grants BIA2017-82650-R and PID2020-114386RB-I00.