Linear Relationship between Dynamic Young’s Modulus and MOR of the Poplar LVL Reinforced with Monolayer Fiberglass Mesh

Li Zhang; Ying Cheng Hu

doi:10.4028/www.scientific.net/AMM.26-28.940

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 26-28Linear Relationship between Dynamic Young’s...

Linear Relationship between Dynamic Young’s Modulus and MOR of the Poplar LVL Reinforced with Monolayer Fiberglass Mesh

Abstract:

In this paper, the poplar LVL was reinforced with monolayer fiberglass mesh. The reinforcing effect of monolayer fiberglass mesh on improving the static bending strength (or modulus of rupture, MOR) was studied. And three different nondestructive testing (NDT) methods, such as the longitudinal transmission method, longitudinal vibration method and flexural vibration method (out-plane and in-plane), were used to test the dynamic Young’s modulus of the reinforced poplar LVL. The linear relationships were investigated between the four dynamic Young’s moduli and the MOR of the reinforced poplar LVL. It can be concluded that the three NDT methods are useful for predicting the MOR of reinforced LVL, but the flexural and longitudinal vibration methods had better accuracy to estimate the MOR.

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Periodical:

Applied Mechanics and Materials (Volumes 26-28)

Pages:

940-943

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.26-28.940

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Online since:

June 2010

Authors:

Li Zhang, Ying Cheng Hu

Keywords:

Dynamic Young's Modulus, Laminated Veneer Lumber (LVL), Modulus of Rupture (MOR), Monolayer Fiberglass Mesh, Nondestructive Testing (NDT)

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